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<task id="GUID-641A276D-F618-50CE-BA5A-658DCC26BAB5" xml:lang="en"><title>Creating

an Implementation Project File </title><abstract>An implementation project file is a .mmp file, which specifies the

essential elements of the implementation. The project files are used for project

development. The implementation project file contains information (source

file, build file) about the implementation that is being built.<shortdesc>The

format of implementation project file is dependent on the version of the Symbian

platform used. The differences basically reflect the introduction of platform

security into Symbian OS v9.0 and later versions. </shortdesc></abstract><prolog><metadata><keywords/></metadata></prolog><taskbody>

<steps-unordered id="GUID-C62C17ED-E41C-54FA-BA0A-9C10A49E159B">

<step id="GUID-BB98ED98-0E27-4865-857D-01BC54ACB226"><cmd>For creating a plug-in

project file for Symbian OS v9.1 and later: </cmd>

<substeps id="GUID-A24F641F-EF19-46A2-8B4B-883E726AE909">

<substep id="GUID-F4AC55A1-0B66-4F17-8B24-2BE518949884"><cmd/>

<info>Set <codeph>TARGET</codeph> to the standard DLL name. <codeph>TARGET</codeph> contains

the final binary name of the project generated. </info>

<info>The plug-in DLL file is stored along other binaries in the<filepath>\Sys\Bin</filepath> directory.

The plug-in framework does not discover plug-ins installed in the pre v9.1

location, <filepath>\System\Libs\Plugins</filepath>. </info>

</substep>

<substep id="GUID-3D73991A-AC41-428C-92B8-1B8C6CDD7419"><cmd/>

<info>Set <codeph>TARGETTYPE</codeph> to PLUGIN. <codeph>TARGETTYPE</codeph> specifies

the type of binary. </info>

<info>Set <codeph>TARGETTYPE</codeph> to PLUGIN3 for DLLs supporting the extension

interfaces. PLUGIN3 DLLs are given the UID2 value of 0x10009D93. </info>

</substep>

<substep id="GUID-9C78513D-ACDC-4C26-BFF0-74E6410212A8"><cmd/>

<info>Set <codeph>UID</codeph> to plug-in framework DLL recognition UID followed

by the unique UID of the plug-in. </info>

<info>UID of the plug-in must be the same as the one specified in the <codeph>dll_uid</codeph> member

in the <xref href="GUID-9A9103E4-27B0-5CF3-855A-DCD44795A5C0.dita">registration

resource file</xref>. </info>

</substep>

<substep id="GUID-52CCD76E-8FCA-45F1-89BC-5EF582E692C4"><cmd/>

<info>Set <codeph>VENDORID</codeph> to the vendor creating the plug-ins. </info>

</substep>

<substep id="GUID-B5F9FBB6-232B-4508-9C0F-2B49C226AB1A"><cmd/>

<info>Set <codeph>CAPABILITY</codeph> to the capabilities of the plug-in in

the variable. </info>

<info>If the plug-in is assigned no capabilities, only client processes with

no capabilities can use them. </info>

<info>For more information, see <xref href="GUID-9E4D75C0-D797-5541-8E52-3C6D154CC74A.dita">ECom

and the Platform Security Architecture</xref>. </info>

</substep>

<substep id="GUID-596BA5E8-0E55-41F9-925A-BDF0C2743090"><cmd/>

<info>Set <codeph>SOURCEPATH</codeph> to the path where the source files exist. </info>

<info>The path set in this variable must be relative to the path of the project

file. </info>

</substep>

<substep id="GUID-EDBA217E-F553-4B58-99BD-72BFF47237DD"><cmd/>

<info>Set <codeph>SOURCE</codeph> to the name of the source file. </info>

</substep>

<substep id="GUID-90CC5B05-0530-4276-A32B-703A97F77ADF"><cmd/>

<info>Set <codeph>USERINCLUDE</codeph> to the path where the user provided

header files are available. </info>

<info>The path set in this variable must be relative to the path of the project

file. </info>

</substep>

<substep id="GUID-0C3EB2DA-064E-42F0-9D13-BA5B14EC4476"><cmd/>

<info>Set <codeph>SYSTEMINCLUDE</codeph> to<codeph>\epoc32\include\ecom</codeph>. <codeph>SYSTEMINCLUDE</codeph> specifies

the path to OS provided header files. </info>

</substep>

<substep id="GUID-68701E84-5C98-4C37-9F0B-72320E7016A4"><cmd/>

<info>Set <codeph>RESOURCE</codeph> to the registration resource file of the

implementation. </info>

<info>From v9.1, the name of the registration resource file must be the same

as that of the executable. </info>

<info>For example, if the plug-in is <filepath>foo.dll</filepath>, then its

registration resource file must be called <filepath>foo.rsc</filepath>. This

is because plug-in framework uses the names of the registration resource file

to find the plug-in DLLs. </info>

<info>A simple <codeph>START RESOURCE</codeph> statement is of the following

form: </info>

<stepxmp><codeblock id="GUID-B4DAAEEF-0FDA-5192-81F5-650946430C2E" xml:space="preserve">START RESOURCE foo.rss

END</codeblock> </stepxmp>

<info>This builds a file named <filepath>foo.rsc</filepath>. Registration

resource files are always built into the target directory <filepath>\Resource\Plugins</filepath>.

There is no need to explicitly set the target directory for the <filepath>.rsc</filepath> file

in the project file, the build tools take care of it. </info>

<info>Where the registration resource source file is still named after the

UID of the DLL, the built resource file can be renamed to be the same as the

DLL, using the <codeph>TARGET</codeph> keyword. For example: </info>

<stepxmp><codeblock id="GUID-E2636CC2-9658-57CD-B57E-FF244CFE6A59" xml:space="preserve">START RESOURCE 10009DB0.rss

TARGET foo.rsc

END</codeblock> </stepxmp>

<info>This builds the <filepath>10009DB0.rss</filepath> source file into <filepath>\Resource\Plugins\foo.rsc</filepath>. </info>

</substep>

<substep id="GUID-C4476628-A6A3-4A85-9F8D-C11B70EF8A71"><cmd/>

<info>Set the variable <codeph>LIBRARY</codeph> to <filepath>ecom.lib</filepath>. </info>

<info>The binary links against the specified <filepath>.lib</filepath> file. </info>

</substep>

</substeps>

</step>

<step id="GUID-B2656101-01BA-5E5C-9E30-4B28172FC3AD"><cmd/>

<info><p>For creating a plug-in project file for Symbian OS v9.0 and earlier: </p></info>

<substeps id="GUID-B966B7D5-737A-494C-B6E9-74FE8D13DCB5">

<substep id="GUID-157FEA53-CC94-428D-A9AF-529CDBE25120"><cmd/>

<info>Set <codeph>TARGET</codeph> to the standard DLL name. <codeph>TARGET</codeph> contains

the final binary name of the project generated. </info>

</substep>

<substep id="GUID-0FAC1E07-1D7C-4E6D-B317-0234DD58777A"><cmd/>

<info>Set <codeph>TARGETTYPE</codeph> as ECOMIIC. <codeph>TARGETTYPE</codeph> specifies

the type of binary. </info>

</substep>

<substep id="GUID-34D0442D-9176-4B72-BF58-0E22A1268A6A"><cmd/>

<info>Set <codeph>UID</codeph> to the plug-in framework DLL recognition UID

followed by the unique UID of the plug-in. </info>

<info>Unique UID of the plug-in must be the same as the one specified in the <codeph>dll_uid</codeph> member

in the <xref href="GUID-9A9103E4-27B0-5CF3-855A-DCD44795A5C0.dita">registration

resource file</xref>. </info>

</substep>

<substep id="GUID-A9F72D37-A1F9-4586-9FEE-9C7234867E3E"><cmd/>

<info>Set <codeph>SOURCEPATH</codeph> to the path where the source files exist. </info>

<info>The path set for this variable must be relative to the path of the project

file. </info>

</substep>

<substep id="GUID-DE91B9A8-A3EB-4E02-8DA8-7D43F0043A39"><cmd/>

<info>Set <codeph>SOURCE</codeph> to the name of the source file. </info>

</substep>

<substep id="GUID-F9D4D6B1-0F6A-45A3-B9D8-653AFC7DA1BE"><cmd/>

<info>Set <codeph>USERINCLUDE</codeph> to the path where the user provided

header files are available. </info>

<info>The path set in this variable must be relative to the path of the project

file. </info>

</substep>

<substep id="GUID-6B7059F8-3525-4A3A-815B-6AF80FCA2390"><cmd/>

<info>Set <codeph>SYSTEMINCLUDE</codeph> to<codeph>\epoc32\include\ecom</codeph>.

SYSTEMINCLUDE specifies the path to OS provided header files. </info>

</substep>

<substep id="GUID-E3E217A8-607C-474B-911B-98A1CFC6DEA7"><cmd/>

<info>Set <codeph>RESOURCE</codeph> to the registration resource file of the

implementation. </info>

<info>The registration resource file .rss need not have the same name as the

DLL. It is required to be named after the UID of the DLL. </info>

</substep>

<substep id="GUID-D1F69266-3516-4E1F-9A5F-DD9215DBA886"><cmd/>

<info>Set <codeph>LIBRARY</codeph> to <filepath>ecom.lib</filepath>. The binary

links to the <filepath>.lib</filepath> file. </info>

</substep>

</substeps>

</step>

</steps-unordered>

<example id="GUID-D34B6A0A-45E5-5C1F-ABDA-78EB7100622E"><title>Creating an

implementation project file example</title> <p> <b> For Symbian OS v9.1 and

later </b>  </p> <codeblock id="GUID-CBF66575-365D-5587-8435-9B3BE58A0AA2" xml:space="preserve">// ExampleInterfaceImplementation.mmp

//

TARGET     ExampleInterfaceImplementation.dll

TARGETTYPE PLUGIN

// ECom Dll recognition UID followed by the unique dll UID 

UID 0x10009D8D 0x10009DB0

VENDORID 0x70000001

CAPABILITY All -TCB

SOURCEPATH \ExampleInterfaceImplementation

SOURCE     ExampleInterfaceImplementation.cpp

USERINCLUDE  \ExampleInterfaceImplementation \inc

SYSTEMINCLUDE  \epoc32\include

SYSTEMINCLUDE  \epoc32\include\ecom

START RESOURCE 10009DB0.rss

TARGET            ExampleInterfaceImplementation.rsc

END

LIBRARY euser.lib

LIBRARY ecom.lib</codeblock> <p> <b> For Symbian OS v9.0 and earlier </b>  </p> <codeblock id="GUID-B88DE9DD-169C-5F8B-89A6-6B9D50138773" xml:space="preserve">// ExampleInterfaceImplementation.mmp

//

TARGET ExampleInterfaceImplementation.dll

TARGETTYPE ECOMIIC

// ECom Dll recognition UID followed by the unique dll UID 

UID 0x10009D8D 0x10009DB0

SOURCEPATH \ExampleInterfaceImplementation

SOURCE ExampleInterfaceImplementation.cpp

USERINCLUDE  \ExampleInterfaceImplementation \inc

SYSTEMINCLUDE  \epoc32\include

SYSTEMINCLUDE  \epoc32\include\ecom

RESOURCE 10009DB0.rss

LIBRARY euser.lib

LIBRARY ecom.lib</codeblock> </example>

</taskbody></task>