diff options
Diffstat (limited to 'docs/html/guide/developing/building/building-cmdline.jd')
| -rw-r--r-- | docs/html/guide/developing/building/building-cmdline.jd | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/docs/html/guide/developing/building/building-cmdline.jd b/docs/html/guide/developing/building/building-cmdline.jd new file mode 100644 index 0000000..f40ad04 --- /dev/null +++ b/docs/html/guide/developing/building/building-cmdline.jd @@ -0,0 +1,306 @@ +page.title=Building and Running Apps on the Command Line +@jd:body + + <div id="qv-wrapper"> + <div id="qv"> + <h2>In this document</h2> + + <ol> + <li><a href="#DebugMode">Building in debug mode</a></li> + + <li><a href="#ReleaseMode">Building in release mode</a></li> + + <li><a href="#RunningOnEmulator">Running on an emulator</a></li> + + <li><a href="#RunningOnDevice">Running on a device</a></li> + </ol> + </div> + </div> + + <p>There are two ways to build your application using the Ant build script: one for + testing/debugging your application — <em>debug mode</em> — and one for building your + final package for release — <em>release mode</em>. Regardless of which way you build your application, + it must be signed before it can install on an emulator or device—with a debug key when building + in debug mode and with your own private key when building in release mode.</p> + + <p>Whether you're building in debug mode or release mode, you need to use the Ant tool to compile + and build your project. This will create the .apk file that you can install on an emulator or device. + When you build in debug mode, the .apk file is automatically signed by the SDK tools with + a debug key, so it's instantly ready for installation onto an emulator or attached + development device. You cannot distribute an application that is signed with a debug key. + When you build in release mode, the .apk file is <em>unsigned</em>, so you + must manually sign it with your own private key, using Keytool and Jarsigner.</p> + + <p>It's important that you read and understand <a href= + "{@docRoot}guide/publishing/app-signing.html">Signing Your Applications</a>, particularly once + you're ready to release your application and share it with end-users. That document describes the + procedure for generating a private key and then using it to sign your .apk file. If you're just + getting started, however, you can quickly run your applications on an emulator or your own + development device by building in debug mode.</p> + + <p>If you don't have Ant, you can obtain it from the <a href="http://ant.apache.org/">Apache Ant + home page</a>. Install it and make sure it is in your executable PATH. Before calling Ant, you + need to declare the JAVA_HOME environment variable to specify the path to where the JDK is + installed.</p> + + <p class="note"><strong>Note:</strong> When installing JDK on Windows, the default is to install + in the "Program Files" directory. This location will cause <code>ant</code> to fail, because of + the space. To fix the problem, you can specify the JAVA_HOME variable like this: + <pre>set JAVA_HOME=c:\Progra~1\Java\<jdkdir> + </pre> + + The easiest solution, however, is to install JDK in a non-space directory, for example: + + <pre>c:\java\jdk1.6.0_02</pre> + + <h2 id="DebugMode">Building in debug mode</h2> + + <p>For immediate application testing and debugging, you can build your application in debug mode + and immediately install it on an emulator. In debug mode, the build tools automatically sign your + application with a debug key and optimize the package with {@code zipalign}.</p> + + <p>To build in debug mode:</p> + + <ol> + <li>Open a command-line and navigate to the root of your project directory.</li> + <li>Use Ant to compile your project in debug mode: + <pre> +ant debug +</pre> + + <p>This creates your debug <code>.apk</code> file inside the project <code>bin/</code> directory, named + <code><your_project_name>-debug.apk</code>. The file is already signed with + the debug key and has been aligned with + <a href="{@docRoot}/guide/developing/tools/zipalign.html"><code>zipalign</code></a>. + </p> + </li> + </ol> + + <p>Each time you change a source file or resource, you must run Ant again in order to package up + the latest version of the application.</p> + + <p>To install and run your application on an emulator, see the following section about <a href= + "#RunningOnEmulator">Running on the Emulator</a>.</p> + + <h2 id="ReleaseMode">Building in release mode</h2> + + <p>When you're ready to release and distribute your application to end-users, you must build your + application in release mode. Once you have built in release mode, it's a good idea to perform + additional testing and debugging with the final .apk.</p> + + <p>Before you start building your application in release mode, be aware that you must sign the + resulting application package with your private key, and should then align it using the {@code + zipalign} tool. There are two approaches to building in release mode: build an unsigned package + in release mode and then manually sign and align the package, or allow the build script to sign + and align the package for you.</p> + + <h3 id="ManualReleaseMode">Build unsigned</h3> + + <p>If you build your application <em>unsigned</em>, then you will need to manually sign and align + the package.</p> + + <p>To build an <em>unsigned</em> .apk in release mode:</p> + + <ol> + <li>Open a command-line and navigate to the root of your project directory.</li> + + <li>Use Ant to compile your project in release mode: + <pre> +ant release +</pre> + </li> + </ol> + + <p>This creates your Android application .apk file inside the project <code>bin/</code> + directory, named <code><em><your_project_name></em>-unsigned.apk</code>.</p> + + <p class="note"><strong>Note:</strong> The .apk file is <em>unsigned</em> at this point and can't + be installed until signed with your private key.</p> + + <p>Once you have created the unsigned .apk, your next step is to sign the .apk with your private + key and then align it with {@code zipalign}. To complete this procedure, read <a href= + "{@docRoot}guide/publishing/app-signing.html">Signing Your Applications</a>.</p> + + <p>When your <code>.apk</code> has been signed and aligned, it's ready to be distributed to end-users. + You should test the final build on different devices or AVDs to ensure that it + runs properly on different platforms.</p> + + <h3 id="AutoReleaseMode">Build signed and aligned</h3> + + <p>If you would like, you can configure the Android build script to automatically sign and align + your application package. To do so, you must provide the path to your keystore and the name of + your key alias in your project's {@code build.properties} file. With this information provided, + the build script will prompt you for your keystore and alias password when you build in release + mode and produce your final application package, which will be ready for distribution.</p> + + <p class="caution"><strong>Caution:</strong> Due to the way Ant handles input, the password that + you enter during the build process <strong>will be visible</strong>. If you are concerned about + your keystore and alias password being visible on screen, then you may prefer to perform the + application signing manually, via Jarsigner (or a similar tool). To instead perform the signing + procedure manually, <a href="#ManualReleaseMode">build unsigned</a> and then continue with + <a href="{@docRoot}guide/publishing/app-signing.html">Signing Your Applications</a>.</p> + + <p>To specify your keystore and alias, open the project {@code build.properties} file (found in + the root of the project directory) and add entries for {@code key.store} and {@code key.alias}. + For example:</p> + <pre> +key.store=path/to/my.keystore +key.alias=mykeystore +</pre> + + <p>Save your changes. Now you can build a <em>signed</em> .apk in release mode:</p> + + <ol> + <li>Open a command-line and navigate to the root of your project directory.</li> + + <li>Use Ant to compile your project in release mode: + <pre> +ant release +</pre> + </li> + + <li>When prompted, enter you keystore and alias passwords. + + <p class="caution"><strong>Caution:</strong> As described above, your password will be + visible on the screen.</p> + </li> + </ol> + + <p>This creates your Android application .apk file inside the project <code>bin/</code> + directory, named <code><em><your_project_name></em>-release.apk</code>. This .apk file has + been signed with the private key specified in {@code build.properties} and aligned with {@code + zipalign}. It's ready for installation and distribution.</p> + + <h3>Once built and signed in release mode</h3> + + <p>Once you have signed your application with a private key, you can install and run it on an + <a href="#RunningOnEmulator">emulator</a> or <a href="#RunningOnDevice">device</a>. You can + also try installing it onto a device from a web server. Simply upload the signed .apk to a web + site, then load the .apk URL in your Android web browser to download the application and begin + installation. (On your device, be sure you have enabled + <em>Settings > Applications > Unknown sources</em>.)</p> + + <h2 id="RunningOnEmulator">Running on the emulator</h2> + + <p>Before you can run your application on the Android Emulator, you must <a href= + "{@docRoot}guide/developing/devices/managing-avds.html">create an AVD</a>.</p> + + <p>To run your application:</p> + + <ol> + <li> + <strong>Open the SDK and AVD Manager and launch a virtual device</strong> + + <p>From your SDK's <code>platform-tools/</code> directory, execute the {@code android} tool with no + arguments:</p> + <pre> +android +</pre> + + <p>In the <em>Virtual Devices</em> view, select an AVD and click <strong>Start</strong>.</p> + </li> + + <li> + <strong>Install your application</strong> + + <p>From your SDK's <code>tools/</code> directory, install the {@code .apk} on the + emulator:</p> + <pre> +adb install <em><path_to_your_bin></em>.apk +</pre> + + <p>Your .apk file (signed with either a release or debug key) is in your project {@code bin/} + directory after you build your application.</p> + + <p>If there is more than one emulator running, you must specify the emulator upon which to + install the application, by its serial number, with the <code>-s</code> option. For + example:</p> + <pre> +adb -s emulator-5554 install <em>path/to/your/app</em>.apk +</pre> + + <p>To see a list of available device serial numbers, execute {@code adb devices}.</p> + </li> + </ol> + + <p>If you don't see your application on the emulator, try closing the emulator and launching the + virtual device again from the SDK and AVD Manager. Sometimes when you install an application for the + first time, it won't show up in the application launcher or be accessible by other applications. + This is because the package manager usually examines manifests completely only on emulator + startup.</p> + + <p>Be certain to create multiple AVDs upon which to test your application. You should have one + AVD for each platform and screen type with which your application is compatible. For instance, if + your application compiles against the Android 1.5 (API Level 3) platform, you should create an + AVD for each platform equal to and greater than 1.5 and an AVD for each <a href= + "{@docRoot}guide/practices/screens_support.html">screen type</a> you support, then test your + application on each one.</p> + + <p class="note"><strong>Tip:</strong> If you have <em>only one</em> emulator running, you can + build your application and install it on the emulator in one simple step. Navigate to the root of + your project directory and use Ant to compile the project with <em>install mode</em>: <code>ant + install</code>. This will build your application, sign it with the debug key, and install it on + the currently running emulator.</p> + + <h2 id="RunningOnDevice">Running on a device</h2> + + <p>Before you can run your application on a device, you must perform some basic setup for your + device:</p> + + <ul> + <li>Ensure that your application is debuggable by setting the + <code>android:debuggable</code> attribute of the <code><application></code> + element to <code>true</code>. As of ADT 8.0, this is done by default when you build in debug mode.</li> + + <li>Enable USB Debugging on your device. You can find the setting on most Android devices by + going to <strong>Settings > Applications > Development > USB debugging</strong>.</li> + + <li>Ensure that your development computer can detect your device when connected via USB</li> + </ul> + + <p>Read <a href="{@docRoot}guide/developing/device.html#setting-up">Setting up a Device for + Development</a> for more information.</p> + + <p>Once your device is set up and connected via USB, navigate to your SDK's <code>platform-tools/</code> + directory and install the <code>.apk</code> on the device:</p> + <pre> +adb -d install <em>path/to/your/app</em>.apk +</pre> + + <p>The {@code -d} flag specifies that you want to use the attached device (in case you also have + an emulator running).</p> + + <p>For more information on the tools used above, please see the following documents:</p> + + <ul> + <li><a href="{@docRoot}guide/developing/tools/android.html">android Tool</a></li> + + <li><a href="{@docRoot}guide/developing/devices/emulator.html">Android Emulator</a></li> + + <li><a href="{@docRoot}guide/developing/tools/adb.html">Android Debug Bridge</a> (ADB)</li> + </ul> + + <h2 id="Signing">Application Signing</h2> + + <p>As you begin developing Android applications, understand that all Android applications must be + digitally signed before the system will install them on an emulator or device. There are two ways + to do this: with a <em>debug key</em> (for immediate testing on an emulator or development + device) or with a <em>private key</em> (for application distribution).</p> + + <p>The Android build tools help you get started by automatically signing your .apk files with a + debug key at build time. This means that you can compile your application and install it on the + emulator without having to generate your own private key. However, please note that if you intend + to publish your application, you <strong>must</strong> sign the application with your own private + key, rather than the debug key generated by the SDK tools.</p> + + <p>The ADT plugin helps you get started quickly by signing your .apk files with a debug key, + prior to installing them on an emulator or development device. This means that you can quickly + run your application from Eclipse without having to generate your own private key. No specific + action on your part is needed, provided ADT has access to Keytool.However, please note that if + you intend to publish your application, you <strong>must</strong> sign the application with your + own private key, rather than the debug key generated by the SDK tools.</p> + + <p>Please read <a href="{@docRoot}guide/publishing/app-signing.html">Signing Your + Applications</a>, which provides a thorough guide to application signing on Android and what it + means to you as an Android application developer. The document also includes a guide to exporting + and signing your application with the ADT's Export Wizard.</p>
\ No newline at end of file |