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如何在将 DialogFragment 发送到对话框之前拦截触摸事件？当我想拦截 Activity 上的触摸事件时，我会覆盖该 Activity 的 dispatchTouchEvent(MotionEvent ev)。如何为 DialogFragment 做类似的事情？看来dispatchTouchEvent对Activity中包含的fragment没有影响。
谢谢