我似乎无法理解为什么会这样.这段代码:
mProgressDialog = ProgressDialog.show(this, "", getString(R.string.loading), true);
工作得很好.但是,这段代码:
mProgressDialog = ProgressDialog.show(getApplicationContext(), "", getString(R.string.loading), true);
抛出以下异常:
W/WindowManager( 569): Attempted to add window with non-application token WindowToken{438bee58 token=null}. Aborting.
D/AndroidRuntime( 2049): Shutting down VM
W/dalvikvm( 2049): threadid=3: thread exiting with uncaught exception (group=0x4001aa28)
E/AndroidRuntime( 2049): Uncaught handler: thread main exiting due to uncaught exception
E/AndroidRuntime( 2049): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.tastekid.TasteKid/com.tastekid.TasteKid.YouTube}: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application
E/AndroidRuntime( 2049): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401)
E/AndroidRuntime( 2049): at …