Merge "Don't show app in deletion helper if it was installed recently." into nyc-mr1-dev (07724711) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/deletionhelper/AppStateUsageStatsBridge.java

+48 −8

Original line number	Diff line number	Diff line
		@@ -20,6 +20,9 @@ import android.app.usage.UsageStatsManager;
		import android.content.Context;
		import android.content.pm.ApplicationInfo;

		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.util.Log;
		import com.android.settings.applications.AppStateBaseBridge;
		import com.android.settingslib.applications.ApplicationsState;
		import com.android.settingslib.applications.ApplicationsState.AppEntry;
		@@ -33,7 +36,9 @@ import java.util.concurrent.TimeUnit;
		* Connects data from the UsageStatsManager to the ApplicationsState.
		*/
		public class AppStateUsageStatsBridge extends AppStateBaseBridge {
		private static final String TAG = "AppStateUsageStatsBridge";
		private UsageStatsManager mUsageStatsManager;
		private PackageManager mPm;
		public static final long NEVER_USED = -1;
		public static final long UNKNOWN_LAST_USE = -2;

		@@ -42,6 +47,7 @@ public class AppStateUsageStatsBridge extends AppStateBaseBridge {
		super(appState, callback);
		mUsageStatsManager =
		(UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
		mPm = context.getPackageManager();
		}

		@Override
		@@ -53,7 +59,8 @@ public class AppStateUsageStatsBridge extends AppStateBaseBridge {
		System.currentTimeMillis());
		for (AppEntry entry : apps) {
		UsageStats usageStats = map.get(entry.info.packageName);
		entry.extraInfo = getDaysSinceLastUse(usageStats);
		entry.extraInfo = new UsageStatsState(getDaysSinceLastUse(usageStats),
		getDaysSinceInstalled(entry.info.packageName));
		}
		}

		@@ -62,7 +69,8 @@ public class AppStateUsageStatsBridge extends AppStateBaseBridge {
		Map<String, UsageStats> map = mUsageStatsManager.queryAndAggregateUsageStats(0,
		System.currentTimeMillis());
		UsageStats usageStats = map.get(app.info.packageName);
		app.extraInfo = getDaysSinceLastUse(usageStats);
		app.extraInfo = new UsageStatsState(getDaysSinceLastUse(usageStats),
		getDaysSinceInstalled(app.info.packageName));
		}

		private long getDaysSinceLastUse(UsageStats stats) {
		@@ -75,7 +83,21 @@ public class AppStateUsageStatsBridge extends AppStateBaseBridge {
		return UNKNOWN_LAST_USE;
		}
		return TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis() - lastUsed);
		}

		private long getDaysSinceInstalled(String packageName) {
		PackageInfo pi = null;
		try {
		pi = mPm.getPackageInfo(packageName, 0);
		} catch (PackageManager.NameNotFoundException e) {
		Log.e(TAG, packageName + " was not found.");
		}

		if (pi == null) {
		return NEVER_USED;
		}

		return (TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis() - pi.firstInstallTime));
		}

		/**
		@@ -92,18 +114,36 @@ public class AppStateUsageStatsBridge extends AppStateBaseBridge {
		@Override
		public boolean filterApp(AppEntry info) {
		if (info == null) return false;
		boolean isBundled = (info.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
		return isExtraInfoValid(info.extraInfo) && !isBundled;
		return isExtraInfoValid(info.extraInfo) && !isBundled(info)
		&& !isPersistentProcess(info);
		}

		private boolean isExtraInfoValid(Object extraInfo) {
		if (extraInfo == null \|\| !(extraInfo instanceof Long)) {
		if (extraInfo == null \|\| !(extraInfo instanceof UsageStatsState)) {
		return false;
		}

		long daysSinceLastUse = (long) extraInfo;
		return daysSinceLastUse >= UNUSED_DAYS_DELETION_THRESHOLD \|\|
		daysSinceLastUse == NEVER_USED;
		UsageStatsState state = (UsageStatsState) extraInfo;
		long mostRecentUse = Math.max(state.daysSinceFirstInstall, state.daysSinceLastUse);
		return mostRecentUse >= UNUSED_DAYS_DELETION_THRESHOLD \|\| mostRecentUse == NEVER_USED;
		}

		private boolean isBundled(AppEntry info) {
		return (info.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
		}

		private boolean isPersistentProcess(AppEntry info) {
		return (info.info.flags & ApplicationInfo.FLAG_PERSISTENT) != 0;
		}
		};

		private class UsageStatsState {
		public long daysSinceLastUse;
		public long daysSinceFirstInstall;

		public UsageStatsState(long daysSinceLastUse, long daysSinceFirstInstall) {
		this.daysSinceLastUse = daysSinceLastUse;
		this.daysSinceFirstInstall = daysSinceFirstInstall;
		}
		}
		}