楼主,空指针错误啊,这个很好排查的,debug下吧
帮我戳一票吧,谢谢http://vote.blog.csdn.net/blogstaritem/blogstar2013/xiaanming

解决方案 »

  1.   


    帮忙看下,日志如下。 单独启动这个B Activity没有任何问题,从A跳转到B则会报错。12-27 10:38:29.756: D/dalvikvm(24021): GC_CONCURRENT freed 839K, 7% free 13646K/14599K, paused 13ms+15ms, total 65ms
    12-27 10:38:29.891: D/OpenGLRenderer(24021): Could not allocate texture for layer (fbo=1 640x960)
    12-27 10:38:29.891: D/AndroidRuntime(24021): Shutting down VM
    12-27 10:38:29.891: W/dalvikvm(24021): threadid=1: thread exiting with uncaught exception (group=0x411df300)
    12-27 10:38:29.896: E/AndroidRuntime(24021): FATAL EXCEPTION: main
    12-27 10:38:29.896: E/AndroidRuntime(24021): java.lang.NullPointerException
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1462)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:998)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4293)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.view.Choreographer.doCallbacks(Choreographer.java:555)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.view.Choreographer.doFrame(Choreographer.java:525)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.os.Handler.handleCallback(Handler.java:615)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.os.Handler.dispatchMessage(Handler.java:92)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.os.Looper.loop(Looper.java:137)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at android.app.ActivityThread.main(ActivityThread.java:4866)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at java.lang.reflect.Method.invokeNative(Native Method)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at java.lang.reflect.Method.invoke(Method.java:511)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
    12-27 10:38:29.896: E/AndroidRuntime(24021):  at dalvik.system.NativeStart.main(Native Method)