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我編譯ChromeCast這個Github項目CastVideos-android。在Eclipse環境中。我在項目中安裝了最新的依賴關係。Android GoogleCast錯誤 - java.lang.NoClassDefFoundError：android.support.v7.media.MediaRouterGlobalMediaRouter
當我運行的項目，其拋出此運行時錯誤。
05-05 11:25:08.353: E/AndroidRuntime(17660): FATAL EXCEPTION: main
05-05 11:25:08.353: E/AndroidRuntime(17660): java.lang.NoClassDefFoundError: android.support.v7.media.MediaRouter$GlobalMediaRouter$1
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.support.v7.media.MediaRouter$GlobalMediaRouter.<init>(MediaRouter.java:1628)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.support.v7.media.MediaRouter.getInstance(MediaRouter.java:246)
05-05 11:25:08.353: E/AndroidRuntime(17660): at com.google.android.libraries.cast.companionlibrary.cast.BaseCastManager.<init>(BaseCastManager.java:189)
05-05 11:25:08.353: E/AndroidRuntime(17660): at com.google.android.libraries.cast.companionlibrary.cast.VideoCastManager.<init>(VideoCastManager.java:196)
05-05 11:25:08.353: E/AndroidRuntime(17660): at com.google.android.libraries.cast.companionlibrary.cast.VideoCastManager.initialize(VideoCastManager.java:223)
05-05 11:25:08.353: E/AndroidRuntime(17660): at com.google.sample.cast.refplayer.CastApplication.onCreate(CastApplication.java:43)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1014)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4280)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.app.ActivityThread.access$1400(ActivityThread.java:143)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1301)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.os.Handler.dispatchMessage(Handler.java:99)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.os.Looper.loop(Looper.java:137)
05-05 11:25:08.353: E/AndroidRuntime(17660): at android.app.ActivityThread.main(ActivityThread.java:4950)
05-05 11:25:08.353: E/AndroidRuntime(17660): at java.lang.reflect.Method.invokeNative(Native Method)
05-05 11:25:08.353: E/AndroidRuntime(17660): at java.lang.reflect.Method.invoke(Method.java:511)
05-05 11:25:08.353: E/AndroidRuntime(17660): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:997)
05-05 11:25:08.303: E/dalvikvm(17660): Could not find class 'android.support.v7.media.MediaRouter$GlobalMediaRouter$1', referenced from method android.support.v7.media.MediaRouter$GlobalMediaRouter.<init>
05-05 11:25:08.303: W/dalvikvm(17660): VFY: unable to resolve new-instance 1180 (Landroid/support/v7/media/MediaRouter$GlobalMediaRouter$1;) in Landroid/support/v7/media/MediaRouter$GlobalMediaRouter;
05-05 11:25:08.303: D/dalvikvm(17660): VFY: replacing opcode 0x22 at 0x0035
05-05 11:25:08.303: W/dalvikvm(17660): VFY: unable to find class referenced in signature (Landroid/support/v4/media/session/MediaSessionCompat;)
05-05 11:25:08.313: I/dalvikvm(17660): Could not find method android.support.v4.media.session.MediaSessionCompat.getSessionToken, referenced from method android.support.v7.media.MediaRouter$GlobalMediaRouter.getMediaSessionToken
05-05 11:25:08.313: W/dalvikvm(17660): VFY: unable to resolve virtual method 2967: Landroid/support/v4/media/session/MediaSessionCompat;.getSessionToken()Landroid/support/v4/media/session/MediaSessionCompat$Token;
05-05 11:25:08.313: D/dalvikvm(17660): VFY: replacing opcode 0x6e at 0x0011
05-05 11:25:08.323: W/dalvikvm(17660): VFY: unable to find class referenced in signature (Landroid/support/v4/media/session/MediaSessionCompat;)
05-05 11:25:08.323: I/dalvikvm(17660): Could not find method android.support.v4.media.session.MediaSessionCompat.getRemoteControlClient, referenced from method android.support.v7.media.MediaRouter$GlobalMediaRouter.setMediaSessionCompat
05-05 11:25:08.323: W/dalvikvm(17660): VFY: unable to resolve virtual method 2966: Landroid/support/v4/media/session/MediaSessionCompat;.getRemoteControlClient()Ljava/lang/Object;
05-05 11:25:08.323: D/dalvikvm(17660): VFY: replacing opcode 0x6e at 0x000a
05-05 11:25:08.323: I/dalvikvm(17660): Could not find method android.support.v4.media.session.MediaSessionCompat.getMediaSession, referenced from method android.support.v7.media.MediaRouter$GlobalMediaRouter.setMediaSessionCompat
05-05 11:25:08.323: W/dalvikvm(17660): VFY: unable to resolve virtual method 2965: Landroid/support/v4/media/session/MediaSessionCompat;.getMediaSession()Ljava/lang/Object;
05-05 11:25:08.323: D/dalvikvm(17660): VFY: replacing opcode 0x6e at 0x001e
05-05 11:25:08.333: I/dalvikvm(17660): Could not find method android.support.v4.media.session.MediaSessionCompat.getRemoteControlClient, referenced from method android.support.v7.media.MediaRouter$GlobalMediaRouter.setMediaSessionCompat
05-05 11:25:08.333: W/dalvikvm(17660): VFY: unable to resolve virtual method 2966: Landroid/support/v4/media/session/MediaSessionCompat;.getRemoteControlClient()Ljava/lang/Object;
05-05 11:25:08.333: D/dalvikvm(17660): VFY: replacing opcode 0x6e at 0x0032
05-05 11:25:08.333: I/dalvikvm(17660): Could not find method android.support.v4.media.session.MediaSessionCompat.addOnActiveChangeListener, referenced from method android.support.v7.media.MediaRouter$GlobalMediaRouter.setMediaSessionCompat
05-05 11:25:08.333: W/dalvikvm(17660): VFY: unable to resolve virtual method 2964: Landroid/support/v4/media/session/MediaSessionCompat;.addOnActiveChangeListener (Landroid/support/v4/media/session/MediaSessionCompat$OnActiveChangeListener;)V
05-05 11:25:08.333: D/dalvikvm(17660): VFY: replacing opcode 0x6e at 0x0044
05-05 11:25:08.333: I/dalvikvm(17660): Failed resolving Landroid/support/v7/media/MediaRouter$GlobalMediaRouter$1; interface 510 'Landroid/support/v4/media/session/MediaSessionCompat$OnActiveChangeListener;'
05-05 11:25:08.333: W/dalvikvm(17660): Link of class 'Landroid/support/v7/media/MediaRouter$GlobalMediaRouter$1;' failed
檢查'buildpath'。特別是'訂購和出口'部分，如果您的'支持庫'被選中 – hrskrs
沒有選擇支持庫..請參閱屏幕截圖 – san88
當我說'支持庫'，我的意思是'v7-appcompat庫' – hrskrs