Reset app reporting on app launch. (8e437d45) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/compat/ChangeReporter.java

+33 −11

Original line number	Diff line number	Diff line
		@@ -22,7 +22,9 @@ import android.util.StatsLog;

		import com.android.internal.annotations.GuardedBy;

		import java.util.HashMap;
		import java.util.HashSet;
		import java.util.Map;
		import java.util.Objects;
		import java.util.Set;

		@@ -36,12 +38,10 @@ public final class ChangeReporter {
		private int mSource;

		private final class ChangeReport {
		int mUid;
		long mChangeId;
		int mState;

		ChangeReport(int uid, long changeId, int state) {
		mUid = uid;
		ChangeReport(long changeId, int state) {
		mChangeId = changeId;
		mState = state;
		}
		@@ -51,41 +51,63 @@ public final class ChangeReporter {
		if (this == o) return true;
		if (o == null \|\| getClass() != o.getClass()) return false;
		ChangeReport that = (ChangeReport) o;
		return mUid == that.mUid
		&& mChangeId == that.mChangeId
		return mChangeId == that.mChangeId
		&& mState == that.mState;
		}

		@Override
		public int hashCode() {
		return Objects.hash(mUid, mChangeId, mState);
		return Objects.hash(mChangeId, mState);
		}
		}

		// Maps uid to a set of ChangeReports (that were reported for that uid).
		@GuardedBy("mReportedChanges")
		private Set<ChangeReport> mReportedChanges = new HashSet<>();
		private final Map<Integer, Set<ChangeReport>> mReportedChanges;

		public ChangeReporter(int source) {
		mSource = source;
		mReportedChanges = new HashMap<>();
		}

		/**
		* Report the change to stats log.
		* Report the change to stats log and to the debug log if the change was not previously
		* logged already.
		*
		* @param uid affected by the change
		* @param changeId the reported change id
		* @param state of the reported change - enabled/disabled/only logged
		*/
		public void reportChange(int uid, long changeId, int state) {
		ChangeReport report = new ChangeReport(uid, changeId, state);
		ChangeReport report = new ChangeReport(changeId, state);
		synchronized (mReportedChanges) {
		if (!mReportedChanges.contains(report)) {
		Set<ChangeReport> reportedChangesForUid = mReportedChanges.get(uid);
		if (reportedChangesForUid == null) {
		mReportedChanges.put(uid, new HashSet<ChangeReport>());
		reportedChangesForUid = mReportedChanges.get(uid);
		}
		if (!reportedChangesForUid.contains(report)) {
		debugLog(uid, changeId, state);
		StatsLog.write(StatsLog.APP_COMPATIBILITY_CHANGE_REPORTED, uid, changeId,
		state, mSource);
		mReportedChanges.add(report);
		reportedChangesForUid.add(report);
		}

		}
		}

		/**
		* Clears the saved information about a given uid. Requests to report uid again will be reported
		* regardless to the past reports.
		*
		* <p> Only intended to be called from PlatformCompat.
		*
		* @param uid to reset
		*/
		public void resetReportedChanges(int uid) {
		synchronized (mReportedChanges) {
		mReportedChanges.remove(uid);
		}
		}

		private void debugLog(int uid, long changeId, int state) {

services/core/java/com/android/server/am/ActivityManagerService.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -350,6 +350,7 @@ import com.android.server.Watchdog;
		import com.android.server.am.ActivityManagerServiceDumpProcessesProto.UidObserverRegistrationProto;
		import com.android.server.appop.AppOpsService;
		import com.android.server.compat.CompatConfig;
		import com.android.server.compat.PlatformCompat;
		import com.android.server.contentcapture.ContentCaptureManagerInternal;
		import com.android.server.firewall.IntentFirewall;
		import com.android.server.job.JobSchedulerInternal;
		@@ -1575,6 +1576,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		// Encapsulates the global setting "hidden_api_blacklist_exemptions"
		final HiddenApiSettings mHiddenApiBlacklist;

		private final PlatformCompat mPlatformCompat;

		PackageManagerInternal mPackageManagerInt;
		PermissionManagerServiceInternal mPermissionManagerInt;

		@@ -2427,6 +2430,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		mFactoryTest = FACTORY_TEST_OFF;
		mUgmInternal = LocalServices.getService(UriGrantsManagerInternal.class);
		mInternal = new LocalService();
		mPlatformCompat = null;
		}

		// Note: This method is invoked on the main thread but may need to attach various
		@@ -2563,6 +2567,9 @@ public class ActivityManagerService extends IActivityManager.Stub

		mHiddenApiBlacklist = new HiddenApiSettings(mHandler, mContext);

		mPlatformCompat = (PlatformCompat) ServiceManager.getService(
		Context.PLATFORM_COMPAT_SERVICE);

		Watchdog.getInstance().addMonitor(this);
		Watchdog.getInstance().addThread(mHandler);

		@@ -5042,6 +5049,9 @@ public class ActivityManagerService extends IActivityManager.Stub
		mAtmInternal.preBindApplication(app.getWindowProcessController());
		final ActiveInstrumentation instr2 = app.getActiveInstrumentation();
		long[] disabledCompatChanges = CompatConfig.get().getDisabledChanges(app.info);
		if (mPlatformCompat != null) {
		mPlatformCompat.resetReporting(app.info);
		}
		if (app.isolatedEntryPoint != null) {
		// This is an isolated process which should just call an entry point instead of
		// being bound to an application.

services/core/java/com/android/server/compat/PlatformCompat.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -105,6 +105,15 @@ public class PlatformCompat extends IPlatformCompat.Stub {
		CompatConfig.get().dumpConfig(pw);
		}

		/**
		* Clears information stored about events reported on behalf of an app.
		* To be called once upon app start or end. A second call would be a no-op.
		* @param appInfo the app to reset
		*/
		public void resetReporting(ApplicationInfo appInfo) {
		mChangeReporter.resetReportedChanges(appInfo.uid);
		}

		private ApplicationInfo getApplicationInfo(String packageName) {
		try {
		return mContext.getPackageManager().getApplicationInfo(packageName, 0);