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Commit 17d3c0c4 authored by Aurélien Pomini's avatar Aurélien Pomini Committed by Automerger Merge Worker
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Merge "Delay tryToRebind if application exit reason is LMK" am: 20d546c0 am:... 

Merge "Delay tryToRebind if application exit reason is LMK" am: 20d546c0 am: 3bb836d9 am: 42359035

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2398974



Change-Id: I2bbf2dc04d14da7f8908ec167054c177770cf435
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 272cb3f8 42359035

services/core/java/com/android/server/wallpaper/WallpaperManagerService.java

+58 −13
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ import android.app.ActivityManager; 
import android.app.ActivityOptions;

import android.app.AppGlobals;

import android.app.AppOpsManager;

import android.app.ApplicationExitInfo;

import android.app.ILocalWallpaperColorConsumer;

import android.app.IWallpaperManager;

import android.app.IWallpaperManagerCallback;
@@ -187,6 +188,10 @@ public class WallpaperManagerService extends IWallpaperManager.Stub 
    /** Tracks wallpaper being migrated from system+lock to lock when setting static wp. */

    WallpaperDestinationChangeHandler mPendingMigrationViaStatic;



    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.
@@ -988,6 +993,7 @@ 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;
@@ -1209,6 +1215,36 @@ public class WallpaperManagerService extends IWallpaperManager.Stub 
                            && mWallpaper.userId == mCurrentUserId

                            && !Objects.equals(mDefaultWallpaperComponent, wpService)

                            && !Objects.equals(mImageWallpaper, wpService)) {

                        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 {

                            // 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.
@@ -1225,6 +1261,7 @@ public class WallpaperManagerService extends IWallpaperManager.Stub 
                                tryToRebind();

                            }

                        }

                    }

                } else {

                    if (DEBUG_LIVE) {

                        Slog.i(TAG, "Wallpaper changed during disconnect tracking; ignoring");
@@ -1233,6 +1270,14 @@ 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