SwipeStack

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Hi, sometimes when randomly swiping I get this

java.lang.IllegalArgumentException: pointerIndex out of range
at android.view.MotionEvent.nativeGetAxisValue(Native Method)
at android.view.MotionEvent.getX(MotionEvent.java:2072)
at link.fls.swipestack.SwipeHelper.onTouch(SwipeHelper.java:58)
at android.view.View.dispatchTouchEvent(View.java:9335)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2240)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2581)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2559)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2197)
at com.android.internal.policy.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2453)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1755)
at android.app.Activity.dispatchTouchEvent(Activity.java:2776)
at android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:71)
at android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:71)
at com.android.internal.policy.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2402)
at android.view.View.dispatchPointerEvent(View.java:9590)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4436)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4292)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3816)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3875)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3841)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3971)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3849)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4028)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3821)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3875)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3841)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3849)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3821)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:6150)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:6118)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:6072)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:6253)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:216)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:323)
at android.os.Looper.loop(Looper.java:144)
at android.app.ActivityThread.main(ActivityThread.java:5845)
at java.lang.refl

Might be related to https://github.com/chrisbanes/PhotoView/issues/31, was thinking can fix this by adding a try catch to SwipeHelper.OnTouch() Any ideas would be great!

Also have this issue

This happened when user touches the screen using more than one fingers and first touch was outside of swipestack view.

In

    mPointerId = event.getPointerId(0);
    mDownX = event.getX(mPointerId);
    mDownY = event.getY(mPointerId);

should be used correct touch index (that inside of view), instead of 0.

Or simply disable swiping when touches are outside of view.