diff options
| author | Vladislav Kaznacheev <kaznacheev@google.com> | 2017-12-07 11:02:08 -0800 |
|---|---|---|
| committer | Vladislav Kaznacheev <kaznacheev@google.com> | 2017-12-12 10:39:53 -0800 |
| commit | 556ac61c5ffd2ad0cb91afedca8dc18a5f014dfc (patch) | |
| tree | b615c586ad79a6455ac7eb69a9996bd2e082395a /core/java/android/view/ViewConfiguration.java | |
| parent | d8171027f373d919eefc572c296364d47807a89d (diff) | |
Filter out position jitter in hover tooltip handling
Allow for some jitter when detecting stationary hover in the tooltip
handling code. This makes it possible to invoke a tooltip with stylus.
Bug: 70173905
Test: android.view.cts.TooltipTest
Change-Id: I016e378df5b48fdc45bcc3a4dbe46e3644ecb74a
Diffstat (limited to 'core/java/android/view/ViewConfiguration.java')
| -rw-r--r-- | core/java/android/view/ViewConfiguration.java | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/core/java/android/view/ViewConfiguration.java b/core/java/android/view/ViewConfiguration.java index c44c8dda83a9..c5a94daaba53 100644 --- a/core/java/android/view/ViewConfiguration.java +++ b/core/java/android/view/ViewConfiguration.java @@ -290,6 +290,7 @@ public class ViewConfiguration { private final int mMaximumFlingVelocity; private final int mScrollbarSize; private final int mTouchSlop; + private final int mHoverSlop; private final int mMinScrollbarTouchTarget; private final int mDoubleTapTouchSlop; private final int mPagingTouchSlop; @@ -320,6 +321,7 @@ public class ViewConfiguration { mMaximumFlingVelocity = MAXIMUM_FLING_VELOCITY; mScrollbarSize = SCROLL_BAR_SIZE; mTouchSlop = TOUCH_SLOP; + mHoverSlop = TOUCH_SLOP / 2; mMinScrollbarTouchTarget = MIN_SCROLLBAR_TOUCH_TARGET; mDoubleTapTouchSlop = DOUBLE_TAP_TOUCH_SLOP; mPagingTouchSlop = PAGING_TOUCH_SLOP; @@ -407,6 +409,8 @@ public class ViewConfiguration { com.android.internal.R.bool.config_ui_enableFadingMarquee); mTouchSlop = res.getDimensionPixelSize( com.android.internal.R.dimen.config_viewConfigurationTouchSlop); + mHoverSlop = res.getDimensionPixelSize( + com.android.internal.R.dimen.config_viewConfigurationHoverSlop); mMinScrollbarTouchTarget = res.getDimensionPixelSize( com.android.internal.R.dimen.config_minScrollbarTouchTarget); mPagingTouchSlop = mTouchSlop * 2; @@ -640,6 +644,14 @@ public class ViewConfiguration { } /** + * @return Distance in pixels a hover can wander while it is still considered "stationary". + * + */ + public int getScaledHoverSlop() { + return mHoverSlop; + } + + /** * @return Distance in pixels the first touch can wander before we do not consider this a * potential double tap event * @hide |