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Merge "Delay tryToRebind if application exit reason is LMK"

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This commit is contained in:
Aurélien Pomini
2023-06-01 19:11:01 +00:00
committed by Gerrit Code Review
parent a55732d363 7378b084ee
commit 20d546c088
1 changed files with 58 additions and 13 deletions
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71
services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
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@@ -36,6 +36,7 @@ import android.annotation.NonNull;
import android.app.ActivityManager;
import android.app.AppGlobals;
import android.app.AppOpsManager;
import android.app.ApplicationExitInfo;
import android.app.ILocalWallpaperColorConsumer;
import android.app.IWallpaperManager;
import android.app.IWallpaperManagerCallback;
@@ -189,6 +190,10 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
private final Object mLock = new Object();
private static final double LMK_LOW_THRESHOLD_MEMORY_PERCENTAGE = 10;
private static final int LMK_RECONNECT_REBIND_RETRIES = 3;
private static final long LMK_RECONNECT_DELAY_MS = 5000;
/**
* Minimum time between crashes of a wallpaper service for us to consider
* restarting it vs. just reverting to the static wallpaper.
@@ -1208,6 +1213,7 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
/** Time in milliseconds until we expect the wallpaper to reconnect (unless we're in the
* middle of an update). If exceeded, the wallpaper gets reset to the system default. */
private static final long WALLPAPER_RECONNECT_TIMEOUT_MS = 10000;
private int mLmkLimitRebindRetries = LMK_RECONNECT_REBIND_RETRIES;
final WallpaperInfo mInfo;
IWallpaperService mService;
@@ -1448,20 +1454,51 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
&& mWallpaper.userId == mCurrentUserId
&& !Objects.equals(mDefaultWallpaperComponent, wpService)
&& !Objects.equals(mImageWallpaper, wpService)) {
// There is a race condition which causes
// {@link #mWallpaper.wallpaperUpdating} to be false even if it is
// currently updating since the broadcast notifying us is async.
// This race is overcome by the general rule that we only reset the
// wallpaper if its service was shut down twice
// during {@link #MIN_WALLPAPER_CRASH_TIME} millis.
if (mWallpaper.lastDiedTime != 0
&& mWallpaper.lastDiedTime + MIN_WALLPAPER_CRASH_TIME
> SystemClock.uptimeMillis()) {
Slog.w(TAG, "Reverting to built-in wallpaper!");
clearWallpaperLocked(true, FLAG_SYSTEM, mWallpaper.userId, null);
List<ApplicationExitInfo> reasonList =
mActivityManager.getHistoricalProcessExitReasons(
wpService.getPackageName(), 0, 1);
int exitReason = ApplicationExitInfo.REASON_UNKNOWN;
if (reasonList != null && !reasonList.isEmpty()) {
ApplicationExitInfo info = reasonList.get(0);
exitReason = info.getReason();
}
Slog.d(TAG, "exitReason: " + exitReason);
// If exit reason is LOW_MEMORY_KILLER
// delay the mTryToRebindRunnable for 10s
if (exitReason == ApplicationExitInfo.REASON_LOW_MEMORY) {
if (isRunningOnLowMemory()) {
Slog.i(TAG, "Rebind is delayed due to lmk");
mContext.getMainThreadHandler().postDelayed(mTryToRebindRunnable,
LMK_RECONNECT_DELAY_MS);
mLmkLimitRebindRetries = LMK_RECONNECT_REBIND_RETRIES;
} else {
if (mLmkLimitRebindRetries <= 0) {
Slog.w(TAG, "Reverting to built-in wallpaper due to lmk!");
clearWallpaperLocked(true, FLAG_SYSTEM, mWallpaper.userId,
null);
mLmkLimitRebindRetries = LMK_RECONNECT_REBIND_RETRIES;
return;
}
mLmkLimitRebindRetries--;
mContext.getMainThreadHandler().postDelayed(mTryToRebindRunnable,
LMK_RECONNECT_DELAY_MS);
}
} else {
mWallpaper.lastDiedTime = SystemClock.uptimeMillis();
tryToRebind();
// There is a race condition which causes
// {@link #mWallpaper.wallpaperUpdating} to be false even if it is
// currently updating since the broadcast notifying us is async.
// This race is overcome by the general rule that we only reset the
// wallpaper if its service was shut down twice
// during {@link #MIN_WALLPAPER_CRASH_TIME} millis.
if (mWallpaper.lastDiedTime != 0
&& mWallpaper.lastDiedTime + MIN_WALLPAPER_CRASH_TIME
> SystemClock.uptimeMillis()) {
Slog.w(TAG, "Reverting to built-in wallpaper!");
clearWallpaperLocked(true, FLAG_SYSTEM, mWallpaper.userId, null);
} else {
mWallpaper.lastDiedTime = SystemClock.uptimeMillis();
tryToRebind();
}
}
}
} else {
@@ -1472,6 +1509,14 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
}
};
private boolean isRunningOnLowMemory() {
ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
mActivityManager.getMemoryInfo(memoryInfo);
double availableMBsInPercentage = memoryInfo.availMem / (double)memoryInfo.totalMem *
100.0;
return availableMBsInPercentage < LMK_LOW_THRESHOLD_MEMORY_PERCENTAGE;
}
/**
* Called by a live wallpaper if its colors have changed.
* @param primaryColors representation of wallpaper primary colors