崩溃

[imyyq-star]

你好，我运行在基本效果中长按item后直接崩溃。

另外，我想请教下，当使用ItemTouchHelper处理拖动的时候，如何判断拖动时，item1拖动到item2上面了，就是想实现的效果是合并。非常急的功能，能否赐教？感谢！！！！

Process: com.iwith.classifyviewtest, PID: 22192 android.view.WindowManager$BadTokenException: Unable to add window -- token android.view.ViewRootImpl$W@141956e is not valid; is your activity running? at android.view.ViewRootImpl.setView(ViewRootImpl.java:765) at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:356) at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:93) at com.anarchy.classify.ClassifyView$8.run(ClassifyView.java:1015) at android.os.Handler.handleCallback(Handler.java:790) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:164) at android.app.ActivityThread.main(ActivityThread.java:6494) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)