Allow user to be started in background.
Change-Id: I2adeb258cd33765a559c1f952c47088abbc4336c
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index ea0ddc1..f4358e9 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -1713,6 +1713,15 @@
return true;
}
+ case START_USER_IN_BACKGROUND_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ int userid = data.readInt();
+ boolean result = startUserInBackground(userid);
+ reply.writeNoException();
+ reply.writeInt(result ? 1 : 0);
+ return true;
+ }
+
case STOP_USER_TRANSACTION: {
data.enforceInterface(IActivityManager.descriptor);
int userid = data.readInt();
@@ -4304,6 +4313,19 @@
return result;
}
+ public boolean startUserInBackground(int userid) throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeInt(userid);
+ mRemote.transact(START_USER_IN_BACKGROUND_TRANSACTION, data, reply, 0);
+ reply.readException();
+ boolean result = reply.readInt() != 0;
+ reply.recycle();
+ data.recycle();
+ return result;
+ }
+
public int stopUser(int userid, IStopUserCallback callback) throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index 4412261..1943bba 100644
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -349,6 +349,7 @@
// Multi-user APIs
public boolean switchUser(int userid) throws RemoteException;
+ public boolean startUserInBackground(int userid) throws RemoteException;
public int stopUser(int userid, IStopUserCallback callback) throws RemoteException;
public UserInfo getCurrentUser() throws RemoteException;
public boolean isUserRunning(int userid, boolean orStopping) throws RemoteException;
@@ -715,4 +716,5 @@
// Start of L transactions
int GET_TAG_FOR_INTENT_SENDER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+210;
+ int START_USER_IN_BACKGROUND_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+211;
}
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 3bb1d0d..f8d7821 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -16081,8 +16081,20 @@
// Multi-user methods
+ /**
+ * Start user, if its not already running, but don't bring it to foreground.
+ */
+ @Override
+ public boolean startUserInBackground(final int userId) {
+ return startUser(userId, /* foreground */ false);
+ }
+
@Override
public boolean switchUser(final int userId) {
+ return startUser(userId, /* foregound */ true);
+ }
+
+ private boolean startUser(final int userId, boolean foreground) {
if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL)
!= PackageManager.PERMISSION_GRANTED) {
String msg = "Permission Denial: switchUser() from pid="
@@ -16120,12 +16132,18 @@
needStart = true;
}
- mCurrentUserId = userId;
final Integer userIdInt = Integer.valueOf(userId);
mUserLru.remove(userIdInt);
mUserLru.add(userIdInt);
- mWindowManager.setCurrentUser(userId);
+ if (foreground) {
+ mCurrentUserId = userId;
+ mWindowManager.setCurrentUser(userId);
+ } else {
+ final Integer currentUserIdInt = Integer.valueOf(mCurrentUserId);
+ mUserLru.remove(currentUserIdInt);
+ mUserLru.add(currentUserIdInt);
+ }
// Once the internal notion of the active user has switched, we lock the device
// with the option to show the user switcher on the keyguard.
@@ -16150,12 +16168,15 @@
needStart = true;
}
- mHandler.removeMessages(REPORT_USER_SWITCH_MSG);
- mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG);
- mHandler.sendMessage(mHandler.obtainMessage(REPORT_USER_SWITCH_MSG,
- oldUserId, userId, uss));
- mHandler.sendMessageDelayed(mHandler.obtainMessage(USER_SWITCH_TIMEOUT_MSG,
- oldUserId, userId, uss), USER_SWITCH_TIMEOUT);
+ if (foreground) {
+ mHandler.removeMessages(REPORT_USER_SWITCH_MSG);
+ mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG);
+ mHandler.sendMessage(mHandler.obtainMessage(REPORT_USER_SWITCH_MSG,
+ oldUserId, userId, uss));
+ mHandler.sendMessageDelayed(mHandler.obtainMessage(USER_SWITCH_TIMEOUT_MSG,
+ oldUserId, userId, uss), USER_SWITCH_TIMEOUT);
+ }
+
if (needStart) {
Intent intent = new Intent(Intent.ACTION_USER_STARTED);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
@@ -16186,16 +16207,18 @@
}
}
- boolean homeInFront = mStackSupervisor.switchUserLocked(userId, uss);
- if (homeInFront) {
- startHomeActivityLocked(userId);
- } else {
- mStackSupervisor.resumeTopActivitiesLocked();
+ if (foreground) {
+ boolean homeInFront = mStackSupervisor.switchUserLocked(userId, uss);
+ if (homeInFront) {
+ startHomeActivityLocked(userId);
+ } else {
+ mStackSupervisor.resumeTopActivitiesLocked();
+ }
+ EventLogTags.writeAmSwitchUser(userId);
+ getUserManagerLocked().userForeground(userId);
+ sendUserSwitchBroadcastsLocked(oldUserId, userId);
}
- EventLogTags.writeAmSwitchUser(userId);
- getUserManagerLocked().userForeground(userId);
- sendUserSwitchBroadcastsLocked(oldUserId, userId);
if (needStart) {
Intent intent = new Intent(Intent.ACTION_USER_STARTING);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);