Add Lock Task Mode.
When in lock task mode only the specified task may run. All
attempts to switch to another task are ignored until the task
finishes or a call to stopLockTaskMode() is made.
Change-Id: I6cfe92fe1bcf22cd47b5398c08e23c52a4092dda
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index c7c81dd..373a8a3 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -2097,6 +2097,37 @@
reply.writeStrongBinder(homeActivityToken);
return true;
}
+
+ case START_LOCK_TASK_BY_TASK_ID_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ final int taskId = data.readInt();
+ startLockTaskMode(taskId);
+ reply.writeNoException();
+ return true;
+ }
+
+ case START_LOCK_TASK_BY_TOKEN_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ IBinder token = data.readStrongBinder();
+ startLockTaskMode(token);
+ reply.writeNoException();
+ return true;
+ }
+
+ case STOP_LOCK_TASK_MODE_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ stopLockTaskMode();
+ reply.writeNoException();
+ return true;
+ }
+
+ case IS_IN_LOCK_TASK_MODE_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ final boolean isInLockTaskMode = isInLockTaskMode();
+ reply.writeNoException();
+ reply.writeInt(isInLockTaskMode ? 1 : 0);
+ return true;
+ }
}
return super.onTransact(code, data, reply, flags);
@@ -4820,5 +4851,53 @@
return res;
}
+ @Override
+ public void startLockTaskMode(int taskId) throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeInt(taskId);
+ mRemote.transact(START_LOCK_TASK_BY_TASK_ID_TRANSACTION, data, reply, 0);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
+
+ @Override
+ public void startLockTaskMode(IBinder token) throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeStrongBinder(token);
+ mRemote.transact(START_LOCK_TASK_BY_TOKEN_TRANSACTION, data, reply, 0);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
+
+ @Override
+ public void stopLockTaskMode() throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ mRemote.transact(STOP_LOCK_TASK_MODE_TRANSACTION, data, reply, 0);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
+
+ @Override
+ public boolean isInLockTaskMode() throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ mRemote.transact(IS_IN_LOCK_TASK_MODE_TRANSACTION, data, reply, 0);
+ reply.readException();
+ boolean isInLockTaskMode = reply.readInt() == 1;
+ data.recycle();
+ reply.recycle();
+ return isInLockTaskMode;
+ }
+
private IBinder mRemote;
}