231 Android onTouchEvent Part 1 |

  • 7年前
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This Android Tutorial video talks about the onTouchEvent in Android and the touch handling cycle. The Activity calls its dispatchTouchEvent which is propogated to the ViewGroup under its layout. The dispatchTouchEvent will call the onInterceptedTouchEvent on the ViewGroup. If it returns false, it forwards the MotionEvent to the View object where the onTouchEvent is called giving the child View a chance to process the event and return true or false indicating whether the event was consumed or not. If the Child View returns false, the onTouch for the ViewGroup is called and the event propagates upwards in the chain finally calling the Activitys onTouchEvent\r
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