commit 93bf1fe1f0d5721d910bab65098dc68493ebcb31
author Vinit Nayak <peanutbutter@google.com> Tue May 26 17:22:13 2020 -0700
committer Vinit Nayak <peanutbutter@google.com> Tue May 26 17:22:13 2020 -0700
tree 078dcc5636e44c9fea0b3e878a27d3ab934b1a3f
parent 69d772633d0adc15fba28016ef27b6e72012d8dc

Validate pointer index in PagedView#onMotionEvent

Fixes: 157400422
Change-Id: I556e2e05323ec7f0a47a8a8e3321b8196ee77bcc

src/com/android/launcher3/PagedView.java

diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 359190c..dc1ff66 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -1198,6 +1198,8 @@
             if (mIsBeingDragged) {
                 final int activePointerId = mActivePointerId;
                 final int pointerIndex = ev.findPointerIndex(activePointerId);
+                if (pointerIndex == -1) return true;
+
                 final float primaryDirection = mOrientationHandler.getPrimaryDirection(ev,
                     pointerIndex);
                 final VelocityTracker velocityTracker = mVelocityTracker;