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海朋友我试图在我的媒体播放器中显示缩略图视频,它不起作用。日志猫的错误是视频缩略图不起作用
10-25 19:50:35.577: ERROR/MediaPlayerService(33): error: -2 10-25 19:50:35.577: ERROR/MediaPlayer(65): Unable to to create media player 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): FATAL EXCEPTION: main 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): java.lang.RuntimeException: Unable to start activity ComponentInfo{media.media/media.media.VideoViewDemo}: java.lang.NullPointerException 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.os.Handler.dispatchMessage(Handler.java:99) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.os.Looper.loop(Looper.java:123) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.app.ActivityThread.main(ActivityThread.java:4627) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at java.lang.reflect.Method.invokeNative(Native Method) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at java.lang.reflect.Method.invoke(Method.java:521) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at dalvik.system.NativeStart.main(Native Method) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): Caused by: java.lang.NullPointerException 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at media.media.VideoViewDemo.onCreate(VideoViewDemo.java:72) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627) 10-25 19:50:35.916: ERROR/AndroidRuntime(1175): ... 11 more
http://stackoverflow.com/questions/4022214/display-video-in-thumbnails-image – RBJ 2010-10-27 08:09:19
检查我的代码我做了什么错误告诉我兄弟 – RBJ 2010-10-27 08:10:43
海兄弟请访问我的链接我犯了什么错误请告诉我我更新鲜我需要你的帮助,请告诉我...等待你的回复....兄弟.... – RBJ 2010-10-30 10:59:57