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Merge "Force a garbage collection after lockscreen verification" into qt-qpr1-dev

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TreeHugger Robot
2019-11-19 18:31:55 +00:00
committed by Android (Google) Code Review
parent 7f9474cba3 63da1c7cd5
commit a7b2bd71cd
1 changed files with 10 additions and 0 deletions
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10
packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
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@@ -44,6 +44,7 @@ import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.widget.LockPatternUtils;
import com.android.keyguard.KeyguardSecurityModel.SecurityMode;
import com.android.settingslib.utils.ThreadUtils;
import com.android.systemui.Dependency;
import com.android.systemui.R;
import com.android.systemui.SystemUIFactory;
@@ -615,6 +616,15 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
StatsLog.write(StatsLog.KEYGUARD_BOUNCER_PASSWORD_ENTERED,
StatsLog.KEYGUARD_BOUNCER_PASSWORD_ENTERED__RESULT__SUCCESS);
mLockPatternUtils.reportSuccessfulPasswordAttempt(userId);
// Force a garbage collection in an attempt to erase any lockscreen password left in
// memory. Do it asynchronously with a 5-sec delay to avoid making the keyguard
// dismiss animation janky.
ThreadUtils.postOnBackgroundThread(() -> {
try {
Thread.sleep(5000);
} catch (InterruptedException ignored) { }
Runtime.getRuntime().gc();
});
} else {
StatsLog.write(StatsLog.KEYGUARD_BOUNCER_PASSWORD_ENTERED,
StatsLog.KEYGUARD_BOUNCER_PASSWORD_ENTERED__RESULT__FAILURE);