Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Do not dim the non-activated notifications on lockscreen

Browse Source 
This fixes a lot of jank when showing all cards by tapping the more
card, because this lead to layer trashing in every frame (the
background was updated as well as the overall alpha for the card).

Bug: 17419967
Change-Id: Ib39af6eaab26409eedff72c921e9aa1ede31b830
This commit is contained in:
Jorim Jaggi
2014-09-09 15:21:38 +02:00
parent f8a52c0667
commit 4538cee46d
1 changed files with 2 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
View File

@@ -40,8 +40,6 @@ public class StackScrollAlgorithm {
private static final int MAX_ITEMS_IN_BOTTOM_STACK = 3;
private static final int MAX_ITEMS_IN_TOP_STACK = 3;
/** When a child is activated, the other cards' alpha fade to this value. */
private static final float ACTIVATED_INVERSE_ALPHA = 0.9f;
public static final float DIMMED_SCALE = 0.95f;
private int mPaddingBetweenElements;
@@ -270,12 +268,8 @@ public class StackScrollAlgorithm {
childViewState.scale = !mScaleDimmed || !dimmed || isActivatedChild
? 1.0f
: DIMMED_SCALE;
if (dimmed && activatedChild != null) {
if (!isActivatedChild) {
childViewState.alpha *= ACTIVATED_INVERSE_ALPHA;
} else {
childViewState.zTranslation += 2.0f * mZDistanceBetweenElements;
}
if (dimmed && isActivatedChild) {
childViewState.zTranslation += 2.0f * mZDistanceBetweenElements;
}
}
}