Improved 'am switch' to handle errors. am: 2d950c12b5 (0db55184) · Commits · e / os / android_frameworks_base

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

+12 −5

Original line number	Diff line number	Diff line
		@@ -1709,7 +1709,7 @@ final class ActivityManagerShellCommand extends ShellCommand {
		return 0;
		}

		private void switchUserAndWaitForComplete(int userId) throws RemoteException {
		private boolean switchUserAndWaitForComplete(int userId) throws RemoteException {
		// Register switch observer.
		final CountDownLatch switchLatch = new CountDownLatch(1);
		mInterface.registerUserSwitchObserver(
		@@ -1723,7 +1723,7 @@ final class ActivityManagerShellCommand extends ShellCommand {
		}, ActivityManagerShellCommand.class.getName());

		// Switch.
		mInterface.switchUser(userId);
		boolean switched = mInterface.switchUser(userId);

		// Wait.
		try {
		@@ -1731,6 +1731,7 @@ final class ActivityManagerShellCommand extends ShellCommand {
		} catch (InterruptedException e) {
		getErrPrintWriter().println("Thread interrupted unexpectedly.");
		}
		return switched;
		}

		int runSwitchUser(PrintWriter pw) throws RemoteException {
		@@ -1752,12 +1753,18 @@ final class ActivityManagerShellCommand extends ShellCommand {
		}

		int userId = Integer.parseInt(getNextArgRequired());
		boolean switched;
		if (wait) {
		switchUserAndWaitForComplete(userId);
		switched = switchUserAndWaitForComplete(userId);
		} else {
		mInterface.switchUser(userId);
		switched = mInterface.switchUser(userId);
		}
		if (switched) {
		return 0;
		} else {
		pw.printf("Failed to switch to user %d\n", userId);
		return 1;
		}
		}

		int runGetCurrentUser(PrintWriter pw) throws RemoteException {