author | Dominic Pinkman <dominic.pinkman@nokia.com> |
Fri, 02 Jul 2010 12:51:36 +0100 | |
changeset 11 | 5072524fcc79 |
parent 9 | 59758314f811 |
child 12 | 80ef3a206772 |
permissions | -rw-r--r-- |
9
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<?xml version="1.0" encoding="utf-8"?> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<!-- This component and the accompanying materials are made available under the terms of the License |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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"Eclipse Public License v1.0" which accompanies this distribution, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<!-- Initial Contributors: |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Nokia Corporation - initial contribution. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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8 |
Contributors: |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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9 |
--> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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10 |
<!DOCTYPE concept |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<concept id="GUID-0C814ED6-3F64-4E0E-9C47-654AEDADBA90" xml:lang="en"><title>Going |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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Beyond Hello: A Tutorial for Symbian C++ Applications</title><shortdesc>This tutorial shows how you can extend that basic example to create |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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a small paint application, along the way learning more about the application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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frameworks (e.g. defining menus, how to handle touch-screen events, drawing |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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to the screen etc.).</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<p>In the <xref href="GUID-301E5FAA-A1C3-4FD7-9D84-DAA61C66981B.dita">Symbian C++ |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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parents:
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Quick Start</xref> you learned how to create a basic example application using |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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Carbide.c++, and how to build and run it on the Windows emulator and on a |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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device. </p> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<p><b>Comes with Code</b>: <xref href="http://developer.symbian.org/wiki/images/e/eb/HelloSymbianWorld_Example_Code.zip.dita">File: |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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HelloSymbianWorld Example Code.zip</xref></p> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<section id="GUID-14C6D367-D806-45F8-BC44-C5DBC78096D9"> <title> Application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Structure</title> <p>Carbide.c++ offers two ways of exploring your project. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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The traditional <b>Project Explorer</b> window, which can also be found in |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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Eclipse, lists the files belonging to the project in the same directory structure |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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as in the file system. </p><p>The <b>Symbian Project Navigator</b> contains |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the same contents, but displays them in a logical hierarchy according to <xref href="http://developer.symbian.org/wiki/index.php/Coding_Standards_and_Conventions.dita">Symbian |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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Conventions</xref>. </p><p> You might wonder why a basic "Hello World" application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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contains so many files. The answer is straightforward - a much simpler Hello |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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World wouldn’t be a very good starting point for real-world applications. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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</p><p>Instead the wizard generates the project for a complete and readily |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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extensible application. The project separates code and data, and uses a form |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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of the <xref href="http://wiki.forum.nokia.com/index.php/Design_Patterns_in_Symbian.dita#http://wiki.forum.nokia.com/index.php/Design_Patterns_in_Symbian/Model-View-Control_Pattern">model |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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view controller pattern</xref> for structuring your code. The application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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already reacts to system events and contains everything that is required for |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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localization. </p><p/><p><b>What are the directories of a project?</b><fig id="GUID-898488F8-5CF9-4A01-95F8-45E2C5D2E501"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<image href="GUID-FFC6F01E-15AB-43E6-90E8-0E42DA297AE9_d0e2166_href.png" placement="inline"/> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</fig></p><p/><b>\group</b><ul> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>bld.inf</b>: Component-definition file. This specifies the <codeph>mmp</codeph> files |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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that belong to your component, any shared header files that it exports, and |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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the default build targets (e.g. GCCE, WINSCW).</p><ul> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><codeph>Bld.inf</codeph> is used to generate the makefiles and <codeph>abld.bat</codeph> used |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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to build for the command-line (see <xref href="GUID-301E5FAA-A1C3-4FD7-9D84-DAA61C66981B.dita">Symbian |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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C++ Quick Start</xref>). </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p>This file is the starting point when you want to import a Symbian C++ |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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project into Carbide.c++, because it contains references to all executables |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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in your project (see the section on Importing Other Examples). </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul></li> |
59758314f811
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<li><p><b>HelloWorld.mmp</b>: Project-definition file. This specifies how |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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to build an executable (in this case <codeph>HelloWorld.exe</codeph>) in a |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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platform- and compiler-independent way. It contains information such as resource |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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files to be compiled, source files to include when compiling, and the libraries |
59758314f811
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to include when linking. </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>Icons_aif_scalable_dc.mk</b>: Makefile used to create the application's |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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icon from the <codeph>*.svg</codeph> file in the <codeph>/gfx</codeph> folder. </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul><p> </p><p><b>\src</b></p><ul> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p> <b>HelloWorldApplication.cpp</b>: This file contains the entry point |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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for the EXE file (<codeph>E32Main()</codeph>) as well as the implementation |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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of the Application class (which provides some basic functionality for the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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GUI framework). Normally this is "boilerplate" code and you do not need to |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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make any changes. </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorldDocument.cpp</b>: This class is supposed to take care |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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of the persistent data model of your application and therefore provides some |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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functions to load and save <codeph>.ini</codeph> files. This mechanism is |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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disabled by default - for most applications you may treat this as "boilerplate" |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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code. </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorldAppUi.cpp</b>: This is the main controller of your application. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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It contains the logic for handling application-wide events (so you don’t have |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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to handle, for example, the exit event in every view). It owns all the views |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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that you use. </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorldContainerView.cpp</b>: This is a kind of controller, which |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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is responsible for handling events and the UI elements of the currently visible |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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view. It’s not visible itself, but owns and manages the <i>Container</i> (below), |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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which corresponds to the view in the traditional model view controller pattern.</p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorldContainer.cpp</b>: Contains the UI elements that should |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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be displayed by the view. Therefore, the ContainerView and the Container usually |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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have a very strong relationship. </p></li> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul><p>During start-up, one class instance creates the next:</p><fig id="GUID-2A3EE3C2-3515-4217-BCB3-182A01936898"> |
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<image href="GUID-AC3F5010-ECA6-4257-98B5-77FB26B4987F_d0e2272_href.png" placement="inline"/> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</fig><p/><p><b>\inc</b></p><ul> |
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<li><p><b>HelloWorldApplication.h</b>, <b>HelloWorldDocument.h</b>, <b>HelloWorldAppUi.h</b>, <b>HelloWorldContainerView.h</b>, <b>HelloWorldContainer.h</b>: Header files corresponding to each of the main source files above. </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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83 |
<li><p><b>HelloWorld.hrh</b>: UIDs/identifiers for UI elements including views. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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These are shared between the resource file definitions for UI elements and |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the source code command handlers.</p></li> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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86 |
<li><p><b>HelloWorld.pan</b>: Panic code and method definitions.</p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul><p/><p><b>\data</b></p><ul> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorld_reg.rss</b>: Contains registration information about |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the application, such as its title.</p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorld.rss</b>: Main resource file. Contains additional information |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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about the application, as well as user interface and text resource definitions. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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92 |
</p></li> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorld.loc</b>, <b>HelloWorld.l01</b>: Localization files. Strings |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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used by UI are defined in separate localization resource files. Each file |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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has the format <codeph>.lxx</codeph>, where <i>xx</i> is a language specific |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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numeric file extension - e.g. UK English is ‘01’, French ‘02’ and German ‘03’. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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The <codeph>.loc</codeph> file is a kind of junction that <codeph>#includes</codeph> the |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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language specific files. The languages are compiled into separate resource |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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files (extension <codeph>.rxx</codeph>; the resource file for the current |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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language is loaded by the UI framework at runtime</p></li> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul><p/><p><b>\gfx</b></p><ul> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>list_icon.bmp</b>, <b>list_icon_mask.bmp</b>, <b>mark_icon.bmp</b>, <b>mark_icon_mask.bmp</b>: |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Bitmap and bitmap masks. These are compiled into the MultiBitMap (<codeph>mbm</codeph>) |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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format for display in the application.</p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p> <b>qgn_menu_HelloWorld.svg</b>: SVG-T image that gets compiled into |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the <codeph>HelloWorld_aif.mif</codeph> MultiImageFile (<codeph>mif</codeph>) |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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used for the application icon.</p></li> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul><p/><p><b>\sis</b></p><ul> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorld.pkg</b>: Defines the contents that should be packaged |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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into the installable <codeph>.sis</codeph> file for the device. This includes |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the executable as well as all resources required by the application (graphics |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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and so on).</p></li> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorld.sis</b>: Compressed and self-contained installation file |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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for the device. Compiled based on the package file. </p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li><p><b>HelloWorld.sisx</b>: <codeph>.sis</codeph> file which has been signed |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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with a certificate (in this case self-signed).</p></li> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul> </section> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<section id="GUID-65BEDD17-334B-4C42-8D89-DAB355F97F51"><title> Extending |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Hello World – Drawing</title><p>To make our application a little bit more |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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interactive, we are going to implement a simple paint tool, allowing the user |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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to draw lines by touching the screen. </p><p>We could draw the lines directly |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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on the screen, but then everything would get lost when something caused our |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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application to redraw the screen – for example, a telephone call that came |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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through while our application was running. Therefore, we have to draw the |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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lines to a bitmap, which is simply copied to the screen whenever required. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</p><p>Another solution (more difficult but also more flexible!) would be |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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to store all lines in a list and to iterate over the list each time the application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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needs to draw the contents of the screen. </p></section> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<section id="GUID-217EFA6E-9B5F-4B65-8B99-E056CC26156D"><title> Using the |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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SDK Documentation</title><p>The class that can handle bitmap data is called <codeph>CFbsBitmap</codeph>. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Let’s take a look at the documentation for this class to find out more about |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the required header files, libraries and available methods. </p><p><xref href="http://developer.symbian.org/search/search_results.php?txtSearch=CFbsBitmap&site=sdl_collection.dita">Search</xref> the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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online documentation for the class you're interested in, in this case <codeph>CFbsBitmap</codeph>. <xref href="http://developer.symbian.org/main/documentation/reference/s%5E2/doc_source/reference/tb91sf-PP/fontandbitmapserver/index.html.dita">CFbsBitmap |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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in Os Font_and_Bitmap_Server</xref> should be (one of the) first topics you |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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find. </p><p/><note>If you're working offline you can also search for documentation |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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in the SDK. <b>Start</b> menu: <b>Start - S60 Developer Tools - 5th Edition |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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SDK, v<i>1.0</i> - SDK Documentation</b></note><p>Right at the top of the |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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reference page you will see that the header file we need to use is <codeph>FBS.H</codeph> and |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the library we need to link against is called <codeph>fbscli.lib</codeph>. </p><fig id="GUID-23B3B7CF-E676-4FBC-8B26-E7B88764781C"> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<image href="GUID-0B0EF90E-45A4-467F-8CD9-33FBC612B3BD_d0e2470_href.png" placement="inline"/> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</fig><p>This class is capable of storing a bitmap. It's also possible to |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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get direct access to the bitmap data. However for more convenient methods |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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of drawing we will work through a drawing device and context. </p><p>To |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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find out more about bitmaps, contexts and drawing functions, <xref href="http://developer.symbian.org/search/search_results.php?txtSearch=bitmaps&site=sdl_collection.dita">Search for ‘bitmaps’</xref> in the documentation, and go to the page <b>Bitmaps |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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in Using Bitmaps</b>, or <b>Using Bitmaps in Using Graphics Device Interfaces</b>. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Symbian provides several different device and context classes. For our |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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application we’re going to use <codeph>CFbsBitmapDevice</codeph> (header file: <codeph>bitdev.h</codeph>, |
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library: <codeph>bitgdi.lib</codeph>) and <codeph>CFbsBitGc</codeph> (header |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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file: <codeph>bitstd.h</codeph>, library: <codeph>bitgdi.lib</codeph>). </p></section> |
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<section id="GUID-D9C51891-11DE-4042-AE32-CC7EA362C32A"><title> Adding Libraries |
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To a Project</title><p>In the previous step, we determined that we need two |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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libraries in order to use all three bitmap-related classes: <codeph>fbscli.lib</codeph> and <codeph>bitgdi.lib</codeph>. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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To add them to our project, open the <codeph>HelloWorld.mmp</codeph> project |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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file (in the <codeph>/group/</codeph> folder if you’re using the <b>Project |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Explorer</b> window). Switch to the <b>Libraries</b> tab. At the top of |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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this page, you will see a list of included libraries. <codeph>fbscli.lib</codeph> is |
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already in the list, so we don’t need to add it. However <codeph>bitgdi.lib</codeph> is |
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missing. </p><note>There are more libraries in the list than are used by our |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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project (added by the wizard!). These cause no harm so we choose not to remove |
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them.</note><p>Click on the <b>Add</b> button. Search for <codeph>bitgdi.lib</codeph> in |
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the list and add it to the <b>Libraries</b> list. </p><fig id="GUID-7D1E15B4-5157-4F48-9084-6DDBD6EE0208"> |
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<image href="GUID-E5FB2D04-D57E-4EEA-850F-40F813C75D8C_d0e2548_href.png" placement="inline"/> |
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</fig><p>When you’re finished, make sure that both libraries are in the <b>Libraries</b> list. |
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</p><p>When you compile your application again, Carbide.c++ will detect |
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the changes in the .mmp file and ask you what to do. Click on <b>Compile and |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Link</b> to update the project with the changes we have made to the <codeph>.mmp</codeph> file. <fig id="GUID-77F781CD-A2EF-4489-BAE2-EB283057670E"> |
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<image href="GUID-10540A35-7E8E-40F0-BF93-CBC01884550C_d0e2565_href.png" placement="inline"/> |
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</fig></p></section> |
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<section id="GUID-F2A4FC0F-8C67-4151-8BD2-808FCEDD121F"><title> Creating Bitmaps</title><p>Now |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the libraries have been added, we can use the bitmap classes in our project. |
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Open the file <codeph>HelloWorldContainer.h</codeph> and add the following |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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include statements: </p><codeblock xml:space="preserve">#include <fbs.h> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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#include <bitdev.h> |
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#include <bitstd.h> |
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</codeblock><p>We also need to store the bitmap objects as instance (member) |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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variables. Add the following definitions to a private section of the <codeph>CHelloWorldContainer</codeph> class. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Be careful not to write anything into areas managed by the UI designer, because |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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your changes could be overwritten. These areas are marked by comments. |
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</p><codeblock xml:space="preserve">private: |
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CFbsBitmap* iBitmap; |
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CFbsBitmapDevice* iBmpDevice; |
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CFbsBitGc* iBmpGc; </codeblock><p>Symbian C++ uses some <xref href="http://developer.symbian.org/wiki/index.php/Coding_Standards_and_Conventions.dita#http://developer.symbian.org/wiki/index.php/Coding_Standards_and_Conventions/Naming_Conventions">naming conventions</xref>. Instance variables should have a lowercase <codeph>i</codeph> at |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the beginning of the variable name (<codeph>iBitmap</codeph>). Arguments should |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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be marked by an a (<codeph>aBitmap</codeph>). Normal local variables that |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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you create inside a function do not need any prefix. That way, you instantly |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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know where the variable is coming from – this is very important when deleting |
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objects. Next, we want to create the bitmap. Define and implement a new |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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method: </p><codeph>void CHelloWorldContainer::CreateBitmapsL()</codeph><p>Let’s |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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go line by line through the required code for this method: First, we have |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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to make sure that any previous objects are deleted if they already exist. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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This would be required (for example) if the running application needs to re-create |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the bitmap because the screen layout changes. You don’t need to add an if |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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statement to check if the pointer is NULL beforehand – the C++ <codeph>delete</codeph> statement |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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only deletes the object if the pointer is not NULL. You do however need to |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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ensure that the objects are set to NULL after deletion to avoid possible "double |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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deletion" in the destructor. </p><codeblock xml:space="preserve">delete iBitmap; iBitmap = NULL; |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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delete iBmpDevice; iBmpDevice = NULL; |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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delete iBmpGc; iBmpGc = NULL;</codeblock><p>This following line of code should |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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look familiar – it simply creates an instance of the <codeph>CFbsBitmap</codeph> class: |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</p><p><codeph> iBitmap = new (ELeave) CFbsBitmap();</codeph> </p><p>The |
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(<codeph>ELeave</codeph>) parameter is Symbian C++ specific. This causes a <xref href="http://developer.symbian.org/wiki/index.php/Leaves_%26_The_Cleanup_Stack_(Fundamentals_of_Symbian_C%2B%2B).dita"> leave</xref> (the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Symbian C++ equivalent of standard exceptions) if allocating the object fails |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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– for example, because there is not enough free memory. With the (<codeph>ELeave</codeph>), |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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you don’t have to manually check if the pointer is actually pointing to a |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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valid object after creating the object instance. You can find out more about |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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leaves in <xref href="http://developer.symbian.org/wiki/index.php/Fundamentals_of_Symbian_C%2B%2B.dita">Fundamentals |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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of C++</xref>. </p><p>We do not handle the potential leave here; that’s |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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why the method name (<codeph>CreateBitmapL()</codeph>) has a trailing L to |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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show that it can also leave. More on this topic in a moment. </p><p>Now, |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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it’s time to let the <codeph>CFbsBitmap</codeph> class allocate the memory |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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for the bitmap it is going to manage. The available drawing size for our container |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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can be queried by the method <codeph>Size()</codeph> from its base class. <codeph>EColor16MU</codeph> specifies |
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the color depth – in this case, it’s a true color display mode with 32 bits |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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per pixel; the top byte is unused. The color mode <codeph>EColor16MA</codeph> would |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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use the top byte for the alpha channel, several other modes are available |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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as well. </p><p><codeph>iBitmap->Create(Size(), EColor16MU);</codeph> |
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</p><p>The next line creates a graphics device based on the bitmap. A graphics |
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device represents the medium being drawn to and is needed to create a graphics |
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context. The use of a <codeph>NewL()</codeph> method is common in Symbian |
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C++; it is a static factory function which returns a fully constructed object |
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of the desired type. </p><p><codeph> iBmpDevice = CFbsBitmapDevice::NewL(iBitmap);</codeph> |
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</p><p>A graphics context provides a large number of drawing operations, |
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along with state settings defining how the drawing is performed. The bitmap |
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graphics context used here is a specialization of the generic graphics context |
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and adds some methods that can be used for bitmaps only – such as clearing |
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and copying rectangular areas. </p><p><codeph>iBmpDevice->CreateContext(iBmpGc);</codeph> |
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</p><p>Whenever you create objects, it’s best to think about where and when |
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they are going to be deleted right away. Memory leaks are a serious issue |
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on a mobile device where no virtual memory is available and the main memory |
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is limited to 30-80 MB. Therefore, go to the destructor of <codeph>CHelloWorldContainer</codeph> and |
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add the required statements for deleting the three objects: </p><p> <codeblock xml:space="preserve">delete iBmpGc; |
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delete iBmpDevice; |
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delete iBitmap;</codeblock> </p><p>The next step addresses the remaining |
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question: where to call the <codeph>CreateBitmapsL()</codeph> method. Of course, |
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you could do this from the construction methods of the class. But what if, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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236 |
while your application is running, the user physically turns the phone, causing |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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it to switch from portrait to landscape mode? Because the bitmap was created |
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with the portrait size in mind, the user would no longer be able to use the |
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full screen for drawing. </p><p>Therefore, we have to react to events that |
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inform us when the screen size is changed. In those situations, <codeph>SizeChanged()</codeph> is |
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executed. When the container is first constructed, its size changes as well. |
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Because of this, we can simply call our <codeph>CreateBitmapsL()</codeph> method |
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from within <codeph>SizeChanged()</codeph>: </p><p><codeblock xml:space="preserve">void CHelloWorldContainer::SizeChanged() |
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{ |
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CCoeControl::SizeChanged(); |
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LayoutControls(); |
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// [[[ begin generated region: do not modify [Generated Contents] |
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// ]]] end generated region [Generated Contents] |
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if (!iBitmap || (iBitmap && iBitmap->SizeInPixels() != Size())) |
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{ |
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TRAPD(err, CreateBitmapsL()); |
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} |
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}</codeblock> </p><p>In the source code above, an additional check ensures |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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that the bitmap is only re-created if the size available for the container |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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is really different to the existing bitmap size – the <codeph>SizeChanged()</codeph> method |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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is also called, for example, when the option menu obscures part of our view. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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This does not affect the available space for our drawing area and therefore |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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should not lead to re-creating the bitmap. </p><p>But what is the <codeph>TRAPD()</codeph> statement |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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doing here? Let’s use this to take a closer look at the concept of leaves. </p><p/><p><b>Leaves</b></p><p>When |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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programming using Symbian C++, an L is appended to the name of methods that |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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can leave (usually because it contains other methods that can leave and does |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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not choose to "TRAP" them). Note: this is a helpful convention, but is not |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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checked or required by the compiler. </p><p>Our <codeph>CreateBitmapsL()</codeph> method |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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contains two methods that can leave: the (<codeph>ELeave</codeph>) parameter |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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causes a leave if there is not enough memory to allocate the object. The <codeph>NewL()</codeph> method |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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from the graphics device also has a trailing <codeph>L</codeph> – meaning |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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that this method can also leave. We did not catch any (all) of those leaves |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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in the <codeph>CreateBitmapsL()</codeph> method so it was named with a trailing <codeph>L</codeph>. |
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</p><p>Any leaves are passed up in the call stack until caught by a <codeph>TRAPD</codeph> macro. |
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The <codeph>SizeChanged()</codeph> method traps any leaves from <codeph>CreateBitmapsL()</codeph> and |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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consequently does <b>not</b> need to have a trailing <codeph>L</codeph>. |
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</p><p>The error code of the leave is stored in the err variable, which |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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is declared as a normal integer by this macro. It would be a good idea to |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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take a look at the contents of this variable and to handle errors instead |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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of ignoring them as we’re doing here. But for the sake of simplicity, we do |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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not handle any errors that might occur in this situation. </p><p/><p><b>Tip</b></p><p>A |
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good way to automatically check your code for potential problems is to use |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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the <i>CodeScanner</i> tool that comes with Carbide.c++. It is a static code-analysis |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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tool looking at Symbian coding rules and standards. Find out more at: <xref href="http://carbidehelp.nokia.com/help/topic/com.nokia.carbide.cpp.codescanner/html/codescanner.htm.dita">http://carbidehelp.nokia.com/help/topic/com.nokia.carbide.cpp.codescanner/html/codescanner.htm</xref></p></section> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<section id="GUID-7E4A9491-8F22-4D68-9890-95332D31412B"><title> Handling Touch |
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Events</title><p>Before we start handling the touch events, we need one more |
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instance variable in our code. To draw a line from one touch position to the |
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next, it’s necessary to save the first position. Therefore, add the following |
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private instance variable to <codeph>CHelloWorldContainer</codeph>: <codeblock xml:space="preserve">TPoint iLastPos;</codeblock></p><p><codeph>TPoint</codeph> is |
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a convenience class that stores two integers that can be used as co-ordinates. |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Additionally, it provides some methods to modify the point. We do not need |
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to initialize the variable in the constructor of the <codeph>CHelloWorldContainer</codeph> class |
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– the container class is indirectly derived from the class <codeph>CBase</codeph>, |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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which automatically zero-initializes all member variables. Touch events |
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are delivered to the container class, which is responsible for managing the |
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visible UI content in the main pane of your application. To handle the events |
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ourselves, we have to override the following method in <codeph>CHelloWorldContainer</codeph>: </p><p><codeph>void |
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CHelloWorldContainer::HandlePointerEventL(const TPointerEvent& aPointerEvent)</codeph></p><p>Define |
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this method in the header file (can be private or protected) and add its implementation |
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in the <codeph>.cpp</codeph> file. The information about the new event |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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is sent through the argument <codeph>aPointerEvent</codeph>. We are interested |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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in the up event for the first button (there is only one in current touch devices; |
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you can’t click with a right button as you would with a mouse). Whenever the |
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user releases the stylus or finger from the touch screen, we want to draw |
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a line to this position. Put the following code into this if statement: <codeblock xml:space="preserve">if (aPointerEvent.iType == TPointerEvent::EButton1Up) |
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{ |
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}</codeblock></p><p>Drawing the line itself is rather simple. First, define |
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the color and style that should be used for drawing, then call the function |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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for drawing the line. Note that the settings concerning the color and style |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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stay active until they are changed again in this graphics context – you do |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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not need to set them every time when executing consecutive drawing operations. </p><codeblock xml:space="preserve">iBmpGc->SetPenColor(KRgbRed); |
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iBmpGc->SetPenSize(TSize(2,2)); |
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iBmpGc->DrawLine(iLastPos, aPointerEvent.iPosition);</codeblock><p>Next, we |
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have to save the new position, because it will be required as the starting |
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point for the next line. </p><codeph>iLastPos = aPointerEvent.iPosition;</codeph><p>Finally, |
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issue a request to the framework to redraw the screen. Otherwise, the user |
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won’t see the new line! </p><codeph>DrawDeferred();</codeph><p>At the end |
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of the method, also call the <codeph>HandlePointerEventL()</codeph> method |
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of the base class (the container is derived from <codeph>CCoeControl</codeph>, |
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because it is a normal UI control by itself): </p><codeph>CCoeControl::HandlePointerEventL(aPointerEvent);</codeph><p>To |
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sum it up, this is the final code for the <codeph>HandlePointerEvent()</codeph> method: </p><codeblock xml:space="preserve">void CHelloWorldContainer::HandlePointerEventL(const TPointerEvent& aPointerEvent) |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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{ |
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if (aPointerEvent.iType == TPointerEvent::EButton1Up) |
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{ |
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iBmpGc->SetPenColor(KRgbRed); |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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iBmpGc->SetPenSize(TSize(2,2)); |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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iBmpGc->DrawLine(iLastPos, aPointerEvent.iPosition); |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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323 |
iLastPos = aPointerEvent.iPosition; |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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324 |
DrawDeferred(); |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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325 |
} |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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326 |
CCoeControl::HandlePointerEventL(aPointerEvent); |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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327 |
}</codeblock><p>We’ve already added all the code required for drawing |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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328 |
to the bitmap, but this bitmap still has to be transferred to the screen. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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329 |
The <codeph>CHelloWorldContainer::Draw()</codeph> method is called when the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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330 |
system wants the contents of the container to be redrawn. Therefore, we need |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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331 |
to add the following line of code to the end of the <codeph>Draw()</codeph> method, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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332 |
which copies the bitmap to the top left of the graphics context of the screen: </p><codeph>gc.BitBlt(TPoint(0, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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333 |
0), iBitmap);</codeph><p>Now compile the project. It should already work – |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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334 |
you can draw red lines by just clicking inside the main pane of the emulator! </p><fig id="GUID-CFD29EE4-464B-498C-80F5-493847DE0AEE"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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335 |
<image href="GUID-700CD2E2-DBB7-40BD-BC6D-9BC79C5A0BBF_d0e2845_href.png" placement="inline"/> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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336 |
</fig></section> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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337 |
<section id="GUID-8DC096A0-807D-437C-9A96-ABAFE2AF7F26"><title> Defining |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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338 |
a Menu </title><p>The application would be improved if the user could clear |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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339 |
the drawing during use, rather than having to restart it. This section shows |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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340 |
how you add and handle menu items to provide this functionality, and to exit |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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341 |
the application Open the <codeph>HelloWorldContainer.uidesign</codeph> document. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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342 |
You can find it in the root folder of your project in the <b>Project Explorer</b> or |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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343 |
in the <b>UI Designs</b> folder of the Symbian Project Navigator. </p><p>Click |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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344 |
on the <b>Options</b> menu item below the UI design to reveal the menu. As |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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345 |
indicated, you simply need to click on the empty menu item and start typing. </p><fig id="GUID-96D944A2-87C5-4530-AB0C-580C3277285D"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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346 |
<image href="GUID-20FEEF54-23CB-4D30-B846-11B4ACE8E772_d0e2869_href.png" placement="inline"/> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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347 |
</fig><p>Add two menu items – <b>Clear</b> (for clearing the image) and <b>Exit</b> (for |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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348 |
closing the application). </p><p>Then click once on the Exit menu item |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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349 |
to select it. Go to the <b>Behavior</b> group of the <b>Properties</b> window |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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and change the command ID to <codeph>EAknCmdExit</codeph> (this is available |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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351 |
in the drop-down list). This command will also be sent to your application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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352 |
if the operating system wants to shut it down, for example, when the phone |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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353 |
does not have enough memory left. Therefore, it is necessary that every application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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354 |
always responds to this event and instantly shuts the application down. It |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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355 |
is already handled by the basic application that the Carbide.c++ wizard generated |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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356 |
for you; you don’t need to implement the command handling for this event yourself. </p><fig id="GUID-8FD2973F-23FF-4734-AE16-CA39C02C7DE5"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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357 |
<image href="GUID-D7F000F0-019A-486E-BB0C-C0065D08C5F6_d0e2892_href.png" placement="inline"/> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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358 |
</fig><p>If you try your application now, you will see that the Exit menu |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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359 |
item already works. </p><p/><p><b>Tip</b></p><p> When testing the application, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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360 |
always quit your application using the <b>Exit</b> command (rather than just |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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361 |
closing the emulator). The application environment will then automatically |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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362 |
check for memory leaks. If you just shut down the emulator you may not discover |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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363 |
the leak until much later, making it a lot more difficult to find the cause.</p></section> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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364 |
<section id="GUID-0090F731-A243-44C7-96ED-1EC5DB172F8D"><title> Clearing the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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365 |
Drawing </title><p>Whenever the <b>Clear</b> menu item is selected the view |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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366 |
class method <codeph>CHelloWorldContainerView::HandleCommandL()</codeph> is |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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367 |
called with the command ID of the menu item as a parameter. </p><p> If we |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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368 |
want to handle the menu item, the UI designer can create the necessary code |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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369 |
for us. Right-click on the menu item and choose <b>Handle ‘selected’ Event</b>. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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370 |
The UI designer will ask you to save the design – choose <b>Yes</b>. The code |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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371 |
will then be generated and you will jump into the code view to a new method |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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called <codeph>HandleClearMenuItemSelectedL()</codeph> – a more convenient |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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373 |
place to put your command-handling code than directly in a big <codeph>HandleCommandL()</codeph> method |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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374 |
that receives all commands. The auto-generated source code therefore calls |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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375 |
the new extra method from within <codeph>HandleCommandL()</codeph> (take a |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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376 |
look at that method to see what really happens). </p><fig id="GUID-8E944FEE-EFDF-4AFE-BEB8-F3B216B91A98"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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377 |
<image href="GUID-881C353C-6482-4DFE-9D43-CFB80DEB77A5_d0e2936_href.png" placement="inline"/> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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378 |
</fig><p>Now, we only need to tell the container that it should clear its |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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379 |
bitmap buffer. To do this, create a new public method in the container: </p><codeblock xml:space="preserve">void CHelloWorldContainer::ClearDrawing() |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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380 |
{ |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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381 |
iBmpGc->Clear(); |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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382 |
DrawDeferred(); |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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383 |
}</codeblock><p>Now, call this method from the menu item handler method. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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384 |
As explained in the section about the application architecture, the view class |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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385 |
(<codeph>CHelloWorldContainerView</codeph>) is the controller and owner for/of |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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386 |
the container class (<codeph>CHelloWorldContainer</codeph>). Therefore, this |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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387 |
class has a pointer to the container as an instance variable, which you can |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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388 |
use to clear the drawing. </p><codeblock xml:space="preserve">TBool CHelloWorldContainerView::HandleClearMenuItemSelectedL(TInt aCommand) |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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389 |
{ |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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390 |
iHelloWorldContainer->ClearDrawing(); |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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391 |
return ETrue; |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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392 |
}</codeblock><p>The menu command should now clear the image. </p><p>Congratulations, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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393 |
you have completed the tutorial and have created your own small mobile painting |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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394 |
application! </p></section> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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395 |
<section id="GUID-2BD775FF-BD36-4550-A388-48A3B1832D9E"><title> Further Exercises</title><p>As |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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396 |
an exercise, it’s a good idea to extend the application by yourself – for |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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397 |
example, you could add some menu items that allow the end user to change the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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398 |
color of the pen. </p><p/><p><b>Tip</b></p><p> It’s a good idea to learn |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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399 |
keyboard shortcuts as early as possible, because they can significantly increase |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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400 |
the efficiency of your work. For example, you can press <b>Ctrl + B</b> to |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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401 |
build the project, instead of using the icon or the menu commands. Also very |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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402 |
helpful: <b>Ctrl + Shift + F</b> automatically formats and indents your code. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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403 |
You can get a full list of commands by pressing <b>Ctrl + 3</b>. A hot keys |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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404 |
list appears when you press <b>Ctrl + Shift + L</b>.</p><p/><p> <b>Importing |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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405 |
Other Examples</b></p><p>The S60 SDK itself installs many examples; additional |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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406 |
applications can be downloaded from the developer.symbian.org and Forum Nokia |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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|
407 |
(see the Related Info section for more information). To import ready-made |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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|
408 |
applications in Carbide.c++, go to <b>File | Import</b>. In the following |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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|
409 |
dialog, select <b>Symbian OS Bld.inf file</b> and click <b>Next</b>. </p><fig id="GUID-8E8F4507-70E7-496C-AE4D-16DAD8146ABA"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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410 |
<image href="GUID-631E27DB-97A7-47E2-8FC1-856198435FFF_d0e2998_href.png" placement="inline"/> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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411 |
</fig><p/><p>Now, click <b>Browse</b> and navigate to the <codeph>bld.inf</codeph> file |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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412 |
of the project you want to import. It’s usually stored in the <codeph>/group/</codeph> subfolder |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
413 |
of the project. </p><fig id="GUID-B682943D-10EE-4DC8-B510-7C2D54C536EE"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
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414 |
<image href="GUID-C588B869-6940-42B2-84F9-71467F6A4306_d0e3014_href.png" placement="inline"/> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
415 |
</fig><p>In the following step, select which SDKs you would like to use. The |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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|
416 |
same considerations as those explained when creating your Hello World application |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
417 |
apply. </p><fig id="GUID-5A381CA4-CCE0-4359-8F02-697AEDA72BDE"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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|
418 |
<image href="GUID-D492CF6C-F889-4299-AC75-951EF343AC9F_d0e3020_href.png" placement="inline"/> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
419 |
</fig><p>You can usually accept the default values for the next step and let |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
420 |
the wizard import everything. </p><p>In the last step, you have to define |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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421 |
the <b>Project Properties</b>. In most cases, you can leave the default values. </p><fig id="GUID-1AB6D789-9407-4AB0-8F52-B1138DE063BD"> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
422 |
<image href="GUID-F18A6C91-136D-450E-90F0-7C2B9263777C_d0e3031_href.png" placement="inline"/> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
423 |
</fig><p>Afterwards, the project is imported and you can start working. The |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
424 |
project contents will not be copied to the current Carbide.c++ workspace, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
425 |
so you will work directly on the original directory and the original files. |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
426 |
Copy the project to a different directory first if you want to keep the original |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
427 |
project or example in its original state – for example, into the workspace |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
428 |
directory. </p><p><b>Troubleshooting</b>: If <keyword>importing</keyword> the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
429 |
project fails, take special care of the last step of the import process: the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
diff
changeset
|
430 |
root directory should be set correctly to the root directory of the project |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
431 |
and not one level above it. Also, the project name should be the same as the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
432 |
last part of the root directory. From time to time, the default values are |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
433 |
not configured properly, causing problems in the import process. </p><p/><p><b>Warning</b> </p><p>Do |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
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434 |
not use the standard (Eclipse) project import! The reason is that this import |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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|
435 |
method would also import all build configuration settings, including references |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
436 |
to installed SDKs and paths on the original system. Therefore, if you import |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
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437 |
a project from somebody else but don’t have the SDK installed in exactly the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
|
438 |
same directory, the build configurations will no longer work. The <codeph>bld.inf</codeph> import |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
5
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changeset
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439 |
method recreates the SDK bindings and only imports the real contents of the |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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440 |
project.</p></section> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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441 |
<section id="GUID-191D5D9D-00FB-47F0-B88B-8B87588A20C8"><title> Summary</title><p>This |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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442 |
part of the tutorial has shown how we can extend the basic skeleton from the <xref href="GUID-301E5FAA-A1C3-4FD7-9D84-DAA61C66981B.dita">Symbian C++ Quick Start</xref> to |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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443 |
create a small paint application. The tutorial explains the application framework, |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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444 |
including how you define menus, how to handle touch-screen events, drawing |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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445 |
to the screen etc. </p></section> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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446 |
<section id="GUID-8B6E602D-CA6B-41DD-B3DC-4C3BC9A04154"><title> Related Info</title><ul> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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447 |
<li><p><xref href="GUID-301E5FAA-A1C3-4FD7-9D84-DAA61C66981B.dita">Symbian C++ |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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448 |
Quick Start</xref></p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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449 |
<li><p><xref href="http://developer.symbian.org/wiki/index.php/Getting_Started_with_Debugging_on_the_Device.dita">Getting |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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450 |
Started with Debugging on the Device</xref></p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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451 |
<li><p><xref href="http://developer.symbian.org/wiki/images/e/eb/HelloSymbianWorld_Example_Code.zip.dita">File: |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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452 |
HelloSymbianWorld Example Code.zip</xref> (code example associated with this |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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453 |
article)</p></li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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454 |
</ul></section> |
5
f345bda72bc4
Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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455 |
</conbody></concept> |