Add UID APIs to PlatformCompat. (64cacec1) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/compat/IPlatformCompat.aidl

+35 −5

Original line number	Diff line number	Diff line
		@@ -43,11 +43,6 @@ interface IPlatformCompat
		/**
		* Reports that a compatibility change is affecting an app process now.
		*
		* <p>Same as {@link #reportChange(long, ApplicationInfo)}, except it receives a package name
		* instead of an {@link ApplicationInfo}
		* object, and finds an app info object based on the package name. Returns {@code true} if
		* there is no installed package by that name.
		*
		* <p>Note: for changes that are gated using {@link #isChangeEnabled(long, String)},
		* you do not need to call this API directly. The change will be reported for you.
		*
		@@ -56,6 +51,17 @@ interface IPlatformCompat
		*/
		void reportChangeByPackageName(long changeId, in String packageName);

		/**
		* Reports that a compatibility change is affecting an app process now.
		*
		* <p>Note: for changes that are gated using {@link #isChangeEnabled(long, int)},
		* you do not need to call this API directly. The change will be reported for you.
		*
		* @param changeId The ID of the compatibility change taking effect.
		* @param uid The UID of the app in question.
		*/
		void reportChangeByUid(long changeId, int uid);

		/**
		* Query if a given compatibility change is enabled for an app process. This method should
		* be called when implementing functionality on behalf of the affected app.
		@@ -95,4 +101,28 @@ interface IPlatformCompat
		* @return {@code true} if the change is enabled for the current app.
		*/
		boolean isChangeEnabledByPackageName(long changeId, in String packageName);

		/**
		* Query if a given compatibility change is enabled for an app process. This method should
		* be called when implementing functionality on behalf of the affected app.
		*
		* <p>Same as {@link #isChangeEnabled(long, ApplicationInfo)}, except it receives a uid
		* instead of an {@link ApplicationInfo} object, and finds an app info object based on the
		* uid (or objects if there's more than one package associated with the UID).
		* Returns {@code true} if there are no installed packages for the required UID, or if the
		* change is enabled for ALL of the installed packages associated with the provided UID. Please
		* use a more specific API if you want a different behaviour for multi-package UIDs.
		*
		* <p>If this method returns {@code true}, the calling code should implement the compatibility
		* change, resulting in differing behaviour compared to earlier releases. If this method
		* returns {@code false}, the calling code should behave as it did in earlier releases.
		*
		* <p>It will also report the change as {@link #reportChange(long, int)} would, so there is
		* no need to call that method directly.
		*
		* @param changeId The ID of the compatibility change in question.
		* @param uid The UID of the app in question.
		* @return {@code true} if the change is enabled for the current app.
		*/
		boolean isChangeEnabledByUid(long changeId, int uid);
		}
		No newline at end of file

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

+23 −5

Original line number	Diff line number	Diff line
		@@ -47,7 +47,8 @@ public class PlatformCompat extends IPlatformCompat.Stub {

		@Override
		public void reportChange(long changeId, ApplicationInfo appInfo) {
		reportChange(changeId, appInfo, StatsLog.APP_COMPATIBILITY_CHANGE_REPORTED__STATE__LOGGED);
		reportChange(changeId, appInfo.uid,
		StatsLog.APP_COMPATIBILITY_CHANGE_REPORTED__STATE__LOGGED);
		}

		@Override
		@@ -59,14 +60,19 @@ public class PlatformCompat extends IPlatformCompat.Stub {
		reportChange(changeId, appInfo);
		}

		@Override
		public void reportChangeByUid(long changeId, int uid) {
		reportChange(changeId, uid, StatsLog.APP_COMPATIBILITY_CHANGE_REPORTED__STATE__LOGGED);
		}

		@Override
		public boolean isChangeEnabled(long changeId, ApplicationInfo appInfo) {
		if (CompatConfig.get().isChangeEnabled(changeId, appInfo)) {
		reportChange(changeId, appInfo,
		reportChange(changeId, appInfo.uid,
		StatsLog.APP_COMPATIBILITY_CHANGE_REPORTED__STATE__ENABLED);
		return true;
		}
		reportChange(changeId, appInfo,
		reportChange(changeId, appInfo.uid,
		StatsLog.APP_COMPATIBILITY_CHANGE_REPORTED__STATE__DISABLED);
		return false;
		}
		@@ -80,6 +86,19 @@ public class PlatformCompat extends IPlatformCompat.Stub {
		return isChangeEnabled(changeId, appInfo);
		}

		@Override
		public boolean isChangeEnabledByUid(long changeId, int uid) {
		String[] packages = mContext.getPackageManager().getPackagesForUid(uid);
		if (packages == null \|\| packages.length == 0) {
		return true;
		}
		boolean enabled = true;
		for (String packageName : packages) {
		enabled = enabled && isChangeEnabledByPackageName(changeId, packageName);
		}
		return enabled;
		}

		@Override
		protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, "platform_compat", pw)) return;
		@@ -95,8 +114,7 @@ public class PlatformCompat extends IPlatformCompat.Stub {
		return null;
		}

		private void reportChange(long changeId, ApplicationInfo appInfo, int state) {
		int uid = appInfo.uid;
		private void reportChange(long changeId, int uid, int state) {
		mChangeReporter.reportChange(uid, changeId, state);
		}
		}