41 lines
2.0 KiB
Plaintext
41 lines
2.0 KiB
Plaintext
page.title=Building and Running Overview
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@jd:body
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<div id="qv-wrapper">
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<div id="qv">
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<h2>See also</h2>
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<ol>
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<li><a href="{@docRoot}tools/building/building-studio.html">
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Building Your Project from Android Studio</a></li>
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<li><a href="{@docRoot}tools/building/building-cmdline.html">
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Building Your Project from the Command Line</a></li>
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<li><a href="{@docRoot}sdk/installing/studio-build.html">
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Build System</a></li>
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</ol>
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</div>
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</div>
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<p>The Android build process provides project and module build settings so that
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your Android modules are compiled and packaged into <code>.apk</code> files, the containers
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for your application binaries, based on your build settings. The apk file for each app contains all
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of the information necessary to run your application on a device or emulator, such as compiled
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<code>.dex</code> files (<code>.class</code> files converted to Dalvik byte code), a binary version
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of the <code>AndroidManifest.xml</code> file, compiled resources (<code>resources.arsc</code>) and
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uncompiled resource files for your application.</p>
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<p>To run an application on an emulator or device, the application must be signed using debug or
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release mode. You typically want to sign your application in debug mode when you develop and test
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your application, because the build system uses a debug key with a known password so you do not have
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to enter it every time you build. When you are ready to release the application to Google
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Play, you must sign the application in release mode, using your own private key.</p>
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<p>If you are using Android development tools, the build system can sign the application for you
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when build your app for debugging. You must obtain a certificate to sign your app when you build
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and app for release. For more information on signing applications, see
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<a href="{@docRoot}tools/publishing/app-signing.html">Signing Your Applications</a>.</p>
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<p>The following diagram depicts the components involved in building and running an application:</p>
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<img src="{@docRoot}images/build-simplified.png" />
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