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Merge "User Switcher: Prevent flickering for user switch." into tm-dev am: f139385025 am: 5f446b2d1b

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17260686

Change-Id: I183a4cf1152bc758a8584fccb6ed693d2fdbcfc4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Aaron Liu
2022-04-02 18:20:03 +00:00
committed by Automerger Merge Worker
parent b14a610870 5f446b2d1b
commit 75554a8809
2 changed files with 29 additions and 2 deletions
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13
packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
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@@ -1021,15 +1021,24 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, Dump
boolean aodWallpaperTimeout = (mState == ScrimState.AOD || mState == ScrimState.PULSING)
&& mWallpaperVisibilityTimedOut;
// We also want to hide FLAG_SHOW_WHEN_LOCKED activities under the scrim.
boolean occludedKeyguard = (mState == ScrimState.PULSING || mState == ScrimState.AOD)
boolean hideFlagShowWhenLockedActivities =
(mState == ScrimState.PULSING || mState == ScrimState.AOD)
&& mKeyguardOccluded;
if (aodWallpaperTimeout || occludedKeyguard) {
if (aodWallpaperTimeout || hideFlagShowWhenLockedActivities) {
mBehindAlpha = 1;
}
// Prevent notification scrim flicker when transitioning away from keyguard.
if (mKeyguardStateController.isKeyguardGoingAway()) {
mNotificationsAlpha = 0;
}
// Prevent flickering for activities above keyguard and quick settings in keyguard.
if (mKeyguardOccluded
&& (mState == ScrimState.KEYGUARD || mState == ScrimState.SHADE_LOCKED)) {
mBehindAlpha = 0;
mNotificationsAlpha = 0;
}
setScrimAlpha(mScrimInFront, mInFrontAlpha);
setScrimAlpha(mScrimBehind, mBehindAlpha);
setScrimAlpha(mNotificationsScrim, mNotificationsAlpha);

18
packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/ScrimControllerTest.java
View File

@@ -1460,6 +1460,24 @@ public class ScrimControllerTest extends SysuiTestCase {
.isEqualTo(ScrimState.KEYGUARD.getBehindTint());
}
@Test
public void testHidesScrimFlickerInActivity() {
mScrimController.setKeyguardOccluded(true);
mScrimController.transitionTo(ScrimState.KEYGUARD);
finishAnimationsImmediately();
assertScrimAlpha(Map.of(
mScrimInFront, TRANSPARENT,
mScrimBehind, TRANSPARENT,
mNotificationsScrim, TRANSPARENT));
mScrimController.transitionTo(ScrimState.SHADE_LOCKED);
finishAnimationsImmediately();
assertScrimAlpha(Map.of(
mScrimInFront, TRANSPARENT,
mScrimBehind, TRANSPARENT,
mNotificationsScrim, TRANSPARENT));
}
private void assertAlphaAfterExpansion(ScrimView scrim, float expectedAlpha, float expansion) {
mScrimController.setRawPanelExpansionFraction(expansion);
finishAnimationsImmediately();