Clean up demo dir when leaving demo mode (88257587) · Commits · e / os / android_frameworks_base

core/java/android/os/Environment.java

+27 −0

Original line number	Diff line number	Diff line
		@@ -323,6 +323,33 @@ public class Environment {
		return new File(getDataUserDeDirectory(volumeUuid, userId), packageName);
		}

		/**
		* Return preloads directory.
		* <p>This directory may contain pre-loaded content such as
		* {@link #getDataPreloadsDemoDirectory() demo videos} and
		* {@link #getDataPreloadsAppsDirectory() APK files} .
		* {@hide}
		*/
		public static File getDataPreloadsDirectory() {
		return new File(getDataDirectory(), "preloads");
		}

		/**
		* @see #getDataPreloadsDirectory()
		* {@hide}
		*/
		public static File getDataPreloadsDemoDirectory() {
		return new File(getDataPreloadsDirectory(), "demo");
		}

		/**
		* @see #getDataPreloadsDirectory()
		* {@hide}
		*/
		public static File getDataPreloadsAppsDirectory() {
		return new File(getDataPreloadsDirectory(), "apps");
		}

		/**
		* Return the primary shared/external storage directory. This directory may
		* not currently be accessible if it has been mounted by the user on their

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

+34 −1

Original line number	Diff line number	Diff line
		@@ -25,6 +25,8 @@ import android.content.IntentFilter;
		import android.content.pm.UserInfo;
		import android.database.ContentObserver;
		import android.net.Uri;
		import android.os.Environment;
		import android.os.FileUtils;
		import android.os.Handler;
		import android.os.PowerManager;
		import android.os.ServiceManager;
		@@ -33,10 +35,13 @@ import android.os.UserManager;
		import android.provider.Settings;
		import android.util.Slog;

		import com.android.internal.os.BackgroundThread;
		import com.android.server.ServiceThread;
		import com.android.server.SystemService;
		import com.android.server.pm.UserManagerService;

		import java.io.File;

		public class RetailDemoModeService extends SystemService {
		private static final boolean DEBUG = false;

		@@ -111,19 +116,47 @@ public class RetailDemoModeService extends SystemService {

		private void registerSettingsChangeObserver() {
		final Uri deviceDemoModeUri = Settings.Global.getUriFor(Settings.Global.DEVICE_DEMO_MODE);
		final Uri deviceProvisionedUri = Settings.Global.getUriFor(
		Settings.Global.DEVICE_PROVISIONED);
		final ContentResolver cr = getContext().getContentResolver();
		final ContentObserver deviceDemoModeSettingObserver = new ContentObserver(mHandler) {
		@Override
		public void onChange(boolean selfChange, Uri uri, int userId) {
		boolean deviceInDemoMode = UserManager.isDeviceInDemoMode(getContext());
		if (deviceDemoModeUri.equals(uri)) {
		if (UserManager.isDeviceInDemoMode(getContext())) {
		if (deviceInDemoMode) {
		createAndSwitchToDemoUser();
		}
		}
		// If device is provisioned and left demo mode - run the cleanup in demo folder
		if (!deviceInDemoMode && isDeviceProvisioned()) {
		// Run on the bg thread to not block the fg thread
		BackgroundThread.getHandler().post(new Runnable() {
		@Override
		public void run() {
		if (!deleteDemoFolderContents()) {
		Slog.w(TAG, "Failed to delete demo folder contents");
		}
		}
		});
		}
		}
		};
		cr.registerContentObserver(deviceDemoModeUri, false, deviceDemoModeSettingObserver,
		UserHandle.USER_SYSTEM);
		cr.registerContentObserver(deviceProvisionedUri, false, deviceDemoModeSettingObserver,
		UserHandle.USER_SYSTEM);
		}

		boolean isDeviceProvisioned() {
		return Settings.Global.getInt(
		getContext().getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
		}

		private boolean deleteDemoFolderContents() {
		File dir = Environment.getDataPreloadsDemoDirectory();
		Slog.i(TAG, "Deleting contents of " + dir);
		return FileUtils.deleteContents(dir);
		}

		private void registerBroadcastReceiver() {