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Improved 'am switch' to handle errors.

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Bug: 146207078
Test: adb shell am switch-user 42 ; echo $?

Change-Id: I005c76652be1fd0908f5c2b40e2513362b5ce5ac
This commit is contained in:
Felipe Leme
2020-01-21 14:22:14 -08:00
parent 49176f7e24
commit 75aeb6849f
1 changed files with 12 additions and 6 deletions
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18
services/core/java/com/android/server/am/ActivityManagerShellCommand.java
View File

@@ -91,7 +91,6 @@ import android.view.Display;
import com.android.internal.compat.CompatibilityChangeConfig;
import com.android.internal.util.HexDump;
import com.android.internal.util.MemInfoReader;
import com.android.internal.util.Preconditions;
import com.android.server.compat.PlatformCompat;
import java.io.BufferedReader;
@@ -1734,7 +1733,7 @@ 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(
@@ -1748,7 +1747,7 @@ final class ActivityManagerShellCommand extends ShellCommand {
}, ActivityManagerShellCommand.class.getName());
// Switch.
mInterface.switchUser(userId);
boolean switched = mInterface.switchUser(userId);
// Wait.
try {
@@ -1756,6 +1755,7 @@ final class ActivityManagerShellCommand extends ShellCommand {
} catch (InterruptedException e) {
getErrPrintWriter().println("Thread interrupted unexpectedly.");
}
return switched;
}
int runSwitchUser(PrintWriter pw) throws RemoteException {
@@ -1777,12 +1777,18 @@ 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;
}
return 0;
}
int runGetCurrentUser(PrintWriter pw) throws RemoteException {