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Fix flicker when dismissing non-docked stack

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Because the right/bottom side of divider moves offscreen when dismissing non
docked stack, it results in empty bounds which then results in window manager
thinking the just dismissed activity is fullscreen, which leads to a black
flicker. Make sure not to calculate garbage when calculating the bounds for the
non-docked stack.

Bug: 26070457
Change-Id: I65ce9a23dc216971a3ae4df8058d5b86b1b792a5
This commit is contained in:
Jorim Jaggi
2016-01-27 01:01:06 -08:00
parent 3127c2a471
commit 08b372f71a
2 changed files with 13 additions and 8 deletions
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20
core/java/com/android/internal/policy/DockedDividerUtils.java
View File

@@ -48,17 +48,21 @@ public class DockedDividerUtils {
outRect.top = position + dividerSize;
break;
}
if (outRect.left >= outRect.right) {
outRect.left = outRect.right - 1;
sanitizeStackBounds(outRect);
}
public static void sanitizeStackBounds(Rect bounds) {
if (bounds.left >= bounds.right) {
bounds.left = bounds.right - 1;
}
if (outRect.top >= outRect.bottom) {
outRect.top = outRect.bottom - 1;
if (bounds.top >= bounds.bottom) {
bounds.top = bounds.bottom - 1;
}
if (outRect.right <= outRect.left) {
outRect.right = outRect.left + 1;
if (bounds.right <= bounds.left) {
bounds.right = bounds.left + 1;
}
if (outRect.bottom <= outRect.top) {
outRect.bottom = outRect.top + 1;
if (bounds.bottom <= bounds.top) {
bounds.bottom = bounds.top + 1;
}
}

1
services/core/java/com/android/server/wm/TaskStack.java
View File

@@ -587,6 +587,7 @@ public class TaskStack implements DimLayer.DimLayerUser {
outBounds.top = dockedBounds.bottom + dockDividerWidth;
}
}
DockedDividerUtils.sanitizeStackBounds(outBounds);
}
/** Resizes all non-docked stacks in the system to either fullscreen or the appropriate size