[錯誤解決]android.view.WindowManager$BadTokenException: Unable to add window

android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@4157e878 is not valid; is your activity running?
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.view.ViewRootImpl.setView(ViewRootImpl.java:646)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:301)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.view.Window$LocalWindowManager.addView(Window.java:537)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.app.Dialog.show(Dialog.java:278)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.os.Handler.handleCallback(Handler.java:605)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.os.Handler.dispatchMessage(Handler.java:92)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.os.Looper.loop(Looper.java:137)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at android.app.ActivityThread.main(ActivityThread.java:4507)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at java.lang.reflect.Method.invokeNative(Native Method)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at java.lang.reflect.Method.invoke(Method.java:511)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
11-05 19:22:45.095: E/AndroidRuntime(23809): 	at dalvik.system.NativeStart.main(Native Method)
11-05 19:22:45.115: E/android.os.Debug(1997)

這個錯誤的解決辦法：判斷當前的activity及父activity是否finish即可。

XXXActivity.this.isFinishing()

如果含有TabActivity，則也要判斷父activity是否finish。

YYYActivity.instance.isFinishing()

即可。