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am 55555a3d: Fixes rejected dismiss gestures (framework version of ag/677161)

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* commit '55555a3dab1f3b99a3299b90851624e9dc10f3cc':
  Fixes rejected dismiss gestures (framework version of ag/677161)
This commit is contained in:
Mark Renouf
2015-04-24 17:31:31 +00:00
committed by Android Git Automerger
parent ff1e7e01f1 55555a3dab
commit 99d4930064
1 changed files with 7 additions and 5 deletions
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12
core/java/com/android/internal/widget/SwipeDismissLayout.java
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@@ -111,7 +111,7 @@ public class SwipeDismissLayout extends FrameLayout {
}
private void init(Context context) {
ViewConfiguration vc = ViewConfiguration.get(getContext());
ViewConfiguration vc = ViewConfiguration.get(context);
mSlop = vc.getScaledTouchSlop();
mMinFlingVelocity = vc.getScaledMinimumFlingVelocity();
mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity();
@@ -290,7 +290,7 @@ public class SwipeDismissLayout extends FrameLayout {
float deltaX = ev.getRawX() - mDownX;
float deltaY = ev.getRawY() - mDownY;
if ((deltaX * deltaX) + (deltaY * deltaY) > mSlop * mSlop) {
mSwiping = deltaX > mSlop * 2 && Math.abs(deltaY) < mSlop * 2;
mSwiping = deltaX > mSlop * 2 && Math.abs(deltaY) < Math.abs(deltaX);
} else {
mSwiping = false;
}
@@ -299,9 +299,9 @@ public class SwipeDismissLayout extends FrameLayout {
private void updateDismiss(MotionEvent ev) {
float deltaX = ev.getRawX() - mDownX;
mVelocityTracker.addMovement(ev);
mVelocityTracker.computeCurrentVelocity(1000);
if (!mDismissed) {
mVelocityTracker.addMovement(ev);
mVelocityTracker.computeCurrentVelocity(1000);
if (deltaX > (getWidth() * DISMISS_MIN_DRAG_WIDTH_RATIO) &&
ev.getRawX() >= mLastX) {
@@ -311,7 +311,9 @@ public class SwipeDismissLayout extends FrameLayout {
// Check if the user tried to undo this.
if (mDismissed && mSwiping) {
// Check if the user's finger is actually back
if (deltaX < (getWidth() * DISMISS_MIN_DRAG_WIDTH_RATIO)) {
if (deltaX < (getWidth() * DISMISS_MIN_DRAG_WIDTH_RATIO) ||
// or user is flinging back left
mVelocityTracker.getXVelocity() < -mMinFlingVelocity) {
mDismissed = false;
}
}