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POUnable to use App Engine remote API with Android project
 

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    <p>I'm trying to connect to my local App Engine project using the <a href="https://developers.google.com/appengine/docs/java/tools/remoteapi" rel="nofollow">remote API</a>.</p> <p>Here is my source:</p> <pre><code> public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); RemoteApiOptions options = new RemoteApiOptions() .server("192.168.1.5", 8888) .credentials("username", "password"); RemoteApiInstaller installer = new RemoteApiInstaller(); try { installer.install(options); DatastoreService ds = DatastoreServiceFactory.getDatastoreService(); } catch(Exception e){ System.err.println(e.toString()); }finally { installer.uninstall(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } } </code></pre> <p>I'm importing appengine-api.jar, appengine-remote-api.jar, and appengine-tools-api.jar from the <a href="http://googleappengine.googlecode.com/files/appengine-java-sdk-1.7.1.zip" rel="nofollow">App Engine Java SDK</a>.</p> <p>I get the following compilation error in both Eclipse and IntelliJ:</p> <pre><code>[2012-08-23 15:16:16 - Accident Map] Dx UNEXPECTED TOP-LEVEL EXCEPTION: java.lang.IllegalArgumentException: already added: Lcom/google/appengine/repackaged/com/google/common/base/Absent; at com.android.dx.dex.file.ClassDefsSection.add(ClassDefsSection.java:123) at com.android.dx.dex.file.DexFile.add(DexFile.java:163) at com.android.dx.command.dexer.Main.processClass(Main.java:486) at com.android.dx.command.dexer.Main.processFileBytes(Main.java:455) at com.android.dx.command.dexer.Main.access$400(Main.java:67) at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:394) at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:245) at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:131) at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:109) at com.android.dx.command.dexer.Main.processOne(Main.java:418) at com.android.dx.command.dexer.Main.processAllFiles(Main.java:329) at com.android.dx.command.dexer.Main.run(Main.java:206) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.android.ide.eclipse.adt.internal.build.DexWrapper.run(DexWrapper.java:180) at com.android.ide.eclipse.adt.internal.build.BuildHelper.executeDx(BuildHelper.java:703) at com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.build(PostCompilerBuilder.java:577) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:321) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:396) at org.eclipse.core.internal.resources.Project$1.run(Project.java:618) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344) at org.eclipse.core.internal.resources.Project.internalBuild(Project.java:597) at org.eclipse.core.internal.resources.Project.build(Project.java:124) at com.android.ide.eclipse.adt.internal.project.ProjectHelper.doFullIncrementalDebugBuild(ProjectHelper.java:1000) at com.android.ide.eclipse.adt.internal.launch.LaunchConfigDelegate.launch(LaunchConfigDelegate.java:147) at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:855) at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:704) at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:1047) at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1251) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) </code></pre> <p>The same code works as a non-Android Java project with minimal changes.</p>
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