Initial changes to add callback on task stack changes. (Bug 17672056, Bug 18291345)
Add a listener to listen for changes in the Task stacks to preload thumbnails from the
system. In addition, reduce the amount of synchronous work done in activity creation
and first measure/layout passes.
Change-Id: I8bd9155d7a05e89c190a20429acff69a17808208
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 6ec48e5..06a26ec 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -774,6 +774,14 @@
return true;
}
+ case REGISTER_TASK_STACK_LISTENER_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ IBinder token = data.readStrongBinder();
+ registerTaskStackListener(ITaskStackListener.Stub.asInterface(token));
+ reply.writeNoException();
+ return true;
+ }
+
case GET_TASK_FOR_ACTIVITY_TRANSACTION: {
data.enforceInterface(IActivityManager.descriptor);
IBinder token = data.readStrongBinder();
@@ -3266,6 +3274,18 @@
data.recycle();
reply.recycle();
}
+ @Override
+ public void registerTaskStackListener(ITaskStackListener listener) throws RemoteException
+ {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeStrongBinder(listener.asBinder());
+ mRemote.transact(REGISTER_TASK_STACK_LISTENER_TRANSACTION, data, reply, IBinder.FLAG_ONEWAY);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
public int getTaskForActivity(IBinder token, boolean onlyRoot) throws RemoteException
{
Parcel data = Parcel.obtain();