1 <?xml version="1.0" encoding="UTF-8"?> |
1 <?xml version="1.0" encoding="utf-8"?> |
2 <!--Arbortext, Inc., 1988-2008, v.4002--> |
2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
3 <!DOCTYPE concept PUBLIC "-//OASIS//DTD DITA Concept//EN" |
3 <!-- This component and the accompanying materials are made available under the terms of the License |
4 "concept.dtd"> |
4 "Eclipse Public License v1.0" which accompanies this distribution, |
5 <concept id="GUID-1FCD0312-7B28-47F9-BE54-822B74A8934C" xml:lang="en"> |
5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
6 <title>Designing applications for touch UI</title> |
6 <!-- Initial Contributors: |
7 <prolog> |
7 Nokia Corporation - initial contribution. |
8 <metadata><keywords></keywords></metadata> |
8 Contributors: |
9 </prolog> |
9 --> |
10 <conbody> |
10 <!DOCTYPE concept |
|
11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
|
12 <concept id="GUID-1FCD0312-7B28-47F9-BE54-822B74A8934C" xml:lang="en"><title>Designing applications for touch UI</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
11 <p>Both touch screens and hybrid devices are supported by Symbian |
13 <p>Both touch screens and hybrid devices are supported by Symbian |
12 platform. Touch screen enables direct manipulation of content and |
14 platform. Touch screen enables direct manipulation of content and |
13 objects, allowing for far more natural interaction with the device. |
15 objects, allowing for far more natural interaction with the device. |
14 This means a completely different user experience and interaction |
16 This means a completely different user experience and interaction |
15 style compared to using a hardware keypad.</p> |
17 style compared to using a hardware keypad.</p> |
16 <fig id="GUID-0895B1BD-27D2-4824-A02C-F89137A16E53"><image |
18 <fig id="GUID-0895B1BD-27D2-4824-A02C-F89137A16E53"> |
17 href="GUID-59F26729-3FFB-48AE-91FB-4B9AC2955A06_d0e69489_href.png" |
19 <image href="GUID-59F26729-3FFB-48AE-91FB-4B9AC2955A06_d0e69513_href.png" scale="60" placement="inline"> |
18 placement="inline" scale="60"></image></fig> |
20 </image> |
|
21 </fig> |
19 <p>All applications must be touch-enabled, which means that they can |
22 <p>All applications must be touch-enabled, which means that they can |
20 be used with the touch screen alone, regardless of the presence of |
23 be used with the touch screen alone, regardless of the presence of |
21 a keypad. In Symbian platform-based touch devices, the important hardware |
24 a keypad. In Symbian platform-based touch devices, the important hardware |
22 keys are Send, End, Multi-tasking and Power key.</p> |
25 keys are Send, End, Multi-tasking and Power key.</p> |
23 <p>The application features must follow the platform support for different |
26 <p>The application features must follow the platform support for different |
30 two conductive and resistive layers are separated by a thin space. |
33 two conductive and resistive layers are separated by a thin space. |
31 When an object touches this kind of touch panel, the layers are connected |
34 When an object touches this kind of touch panel, the layers are connected |
32 at a certain point, and a touch event is registered. This allows efficient |
35 at a certain point, and a touch event is registered. This allows efficient |
33 stylus control, in addition to finger touch - unlike capacitive panels, |
36 stylus control, in addition to finger touch - unlike capacitive panels, |
34 which usually register only finger touch. Additionally, resistive |
37 which usually register only finger touch. Additionally, resistive |
35 touch screen offers a higher resolution and more durability. In <b |
38 touch screen offers a higher resolution and more durability. In <b>capacitive touch screen</b> technology, the panel consists of an |
36 >capacitive touch screen</b> technology, the panel consists of an |
|
37 insulator such as glass, coated with a transparent conductor (such |
39 insulator such as glass, coated with a transparent conductor (such |
38 as indium tin oxide (ITO)). When an object touches the surface of |
40 as indium tin oxide (ITO)). When an object touches the surface of |
39 the screen, it results in a distortion of the local electrostatic |
41 the screen, it results in a distortion of the local electrostatic |
40 field, measurable as a change in capacitance. Then a touch controller |
42 field, measurable as a change in capacitance. Then a touch controller |
41 measures the frequency variations to ascertain the co-ordinates of |
43 measures the frequency variations to ascertain the co-ordinates of |
42 the object's touch. Capacitive touch screen supports <xref |
44 the object's touch. Capacitive touch screen supports <xref href="GUID-17C64C2F-9426-4B41-9F0A-23060289D644.dita">multiple touch</xref>.</p> |
43 href="GUID-17C64C2F-9426-4B41-9F0A-23060289D644.dita">multiple <?Pub |
|
44 Caret?>touch</xref>.</p> |
|
45 <p>The hardware is supported by various:</p> |
45 <p>The hardware is supported by various:</p> |
46 <ul> |
46 <ul> |
47 <li><p>touch-specific components (see <xref |
47 <li><p>touch-specific components (see <xref href="GUID-BB8B3A11-0BBC-4759-A7F4-A28C9E70573F.dita">Touch support for |
48 href="GUID-BB8B3A11-0BBC-4759-A7F4-A28C9E70573F.dita">Touch support |
48 common UI components</xref>)</p></li> |
49 for common UI components</xref>)</p></li> |
|
50 <li><p>component and UI behavior changes</p></li> |
49 <li><p>component and UI behavior changes</p></li> |
51 <li><p>layout changes, and</p></li> |
50 <li><p>layout changes, and</p></li> |
52 <li><p>additions to the interaction style.</p></li> |
51 <li><p>additions to the interaction style.</p></li> |
53 </ul> |
52 </ul> |
54 <p>The touch UI is designed to enable full task flow with touch, with |
53 <p>The touch UI is designed to enable full task flow with touch, with |