Add API to convert translucent Activity to opaque. (4addfc5f) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -2697,6 +2697,7 @@ package android.app {
		method public void addContentView(android.view.View, android.view.ViewGroup.LayoutParams);
		method public void closeContextMenu();
		method public void closeOptionsMenu();
		method public void convertToOpaque();
		method public android.app.PendingIntent createPendingResult(int, android.content.Intent, int);
		method public final deprecated void dismissDialog(int);
		method public boolean dispatchGenericMotionEvent(android.view.MotionEvent);

+19 −0

Original line number	Diff line number	Diff line
		@@ -4861,6 +4861,25 @@ public class Activity extends ContextThemeWrapper
		}
		}

		/**
		* Convert a translucent themed Activity {@link android.R.attr#windowIsTranslucent} to a
		* fullscreen opaque Activity.
		*
		* Call this whenever the background of a translucent Activity has changed to become opaque.
		* Doing so will allow the previously visible Activity behind this one to be stopped. Stopped
		* apps consume no CPU cycles and are eligible for removal when reclaiming memory.
		*
		* This call has no effect on non-translucent activities or on activities with the
		* {@link android.R.attr#windowIsFloating} attribute.
		*/
		public void convertToOpaque() {
		try {
		ActivityManagerNative.getDefault().convertToOpaque(mToken);
		} catch (RemoteException e) {
		// pass
		}
		}

		/**
		* Adjust the current immersive mode setting.
		*

+21 −1

Original line number	Diff line number	Diff line
		@@ -1499,6 +1499,14 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		return true;
		}

		case CONVERT_TO_OPAQUE_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		IBinder token = data.readStrongBinder();
		convertToOpaque(token);
		reply.writeNoException();
		return true;
		}

		case SET_IMMERSIVE_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		IBinder token = data.readStrongBinder();
		@@ -3824,6 +3832,18 @@ class ActivityManagerProxy implements IActivityManager
		reply.recycle();
		}

		public void convertToOpaque(IBinder token)
		throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		data.writeStrongBinder(token);
		mRemote.transact(CONVERT_TO_OPAQUE_TRANSACTION, data, reply, 0);
		reply.readException();
		data.recycle();
		reply.recycle();
		}

		public void setImmersive(IBinder token, boolean immersive)
		throws RemoteException {
		Parcel data = Parcel.obtain();

+3 −0

Original line number	Diff line number	Diff line
		@@ -301,6 +301,8 @@ public interface IActivityManager extends IInterface {

		public void finishHeavyWeightApp() throws RemoteException;

		public void convertToOpaque(IBinder token) throws RemoteException;

		public void setImmersive(IBinder token, boolean immersive) throws RemoteException;
		public boolean isImmersive(IBinder token) throws RemoteException;
		public boolean isTopActivityImmersive() throws RemoteException;
		@@ -666,4 +668,5 @@ public interface IActivityManager extends IInterface {
		int GET_STACK_BOXES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+170;
		int SET_FOCUSED_STACK_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+171;
		int GET_STACK_BOX_INFO_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+172;
		int CONVERT_TO_OPAQUE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+173;
		}

+25 −3

Original line number	Diff line number	Diff line
		@@ -7851,12 +7851,33 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		}

		@Override
		public void unregisterProcessObserver(IProcessObserver observer) {
		synchronized (this) {
		mProcessObservers.unregister(observer);
		}
		}

		@Override
		public void convertToOpaque(IBinder token) {
		final long origId = Binder.clearCallingIdentity();
		try {
		synchronized (this) {
		final ActivityRecord r = ActivityRecord.isInStackLocked(token);
		if (r == null) {
		return;
		}
		if (r.convertToOpaque()) {
		mWindowManager.setAppFullscreen(token);
		mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
		}
		}
		} finally {
		Binder.restoreCallingIdentity(origId);
		}
		}

		@Override
		public void setImmersive(IBinder token, boolean immersive) {
		synchronized(this) {
		final ActivityRecord r = ActivityRecord.isInStackLocked(token);
		@@ -7875,6 +7896,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		}

		@Override
		public boolean isImmersive(IBinder token) {
		synchronized (this) {
		ActivityRecord r = ActivityRecord.isInStackLocked(token);