Ignore motion event of invalid pointer

Test: swipe up with multiple fingers Fixes: 132635371 Change-Id: I27fbb193affb1f073c3feb294ba51ad6e74ac4f1
2019-05-13 13:49:17 -07:00
parent 99a61d3b58
commit c26ab75148
1 changed files with 1 additions and 1 deletions
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -180,7 +180,7 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
                }
                int index = event.findPointerIndex(mActivePointerId);
                int touchSlop = mViewConfiguration.getScaledTouchSlop();
-                if (mCurrentSecurityView != null
+                if (mCurrentSecurityView != null && index != -1
                        && mStartTouchY - event.getY(index) > touchSlop) {
                    mIsDragging = true;
                    return true;