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Commit dde15775 authored by Uday Kiran jandhyala's avatar Uday Kiran jandhyala
Browse files

Added validity check for Pointer Index 

Checking if the pointer index is valid before querying for X & Y
coordinates. This is done to avoid IllegalArgumentException.

Change-Id: Ic7f3022d33c313a0bfe8b55c9bc89019b33d23b7
parent ebf33421

services/java/com/android/server/wm/StackTapPointerEventListener.java

+5 −0
Original line number Diff line number Diff line
@@ -56,6 +56,11 @@ public class StackTapPointerEventListener implements PointerEventListener { 
            case MotionEvent.ACTION_MOVE:

                if (mPointerId >= 0) {

                    int index = motionEvent.findPointerIndex(mPointerId);

                    if (index < 0) {

                        mPointerId = -1;

                        break;

                    }



                    if ((motionEvent.getEventTime() - motionEvent.getDownTime()) > TAP_TIMEOUT_MSEC

                            || (motionEvent.getX(index) - mDownX) > mMotionSlop

                            || (motionEvent.getY(index) - mDownY) > mMotionSlop) {