Make use of setRecentsScreenshotEnabled() on Android 13. (21ecb98a) · Commits · e / os / Camera

_docs/history.html

+2 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,8 @@ FIXED Problem where clicking on gallery icon would sometimes go to a "base" im
		image, when saving HDR photos with base images (for Android 10+).
		FIXED Collapse notification panel when launching from a quick settings tile.
		UPDATED Drop support for notifications for background saving, due to Android 13 permissions faff.
		UPDATED No longer allow a screenshot of the camera preview to show in "recent apps" view (for
		Android 13+).

		Version 1.51.1 (2023/01/02)

+12 −0

Original line number	Diff line number	Diff line
		@@ -3493,6 +3493,12 @@ public class MainActivity extends AppCompatActivity {
		}*/
		SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);

		if( Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU ) {
		// we set this to prevent what's on the preview being used to show under the "recent apps" view - potentially useful
		// for privacy reasons
		setRecentsScreenshotEnabled(false);
		}

		if( lock_to_landscape ) {
		// force to landscape mode
		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
		@@ -3586,6 +3592,12 @@ public class MainActivity extends AppCompatActivity {
		public void setWindowFlagsForSettings(boolean set_lock_protect) {
		if( MyDebug.LOG )
		Log.d(TAG, "setWindowFlagsForSettings: " + set_lock_protect);

		if( Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU ) {
		// in settings mode, okay to revert to default behaviour for using a screenshot for "recent apps" view
		setRecentsScreenshotEnabled(true);
		}

		// allow screen rotation
		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);

+2 −0

Original line number	Diff line number	Diff line
		@@ -354,6 +354,8 @@ public abstract class CameraController {
		* Otherwise there is a risk when opening the camera that the textureview still shows an image from when
		* the camera was previously opened (e.g., from pausing and resuming the application). This returns false (for CameraController2)
		* when the camera has received its first frame.
		* Update: on more recent Android versions this didn't work very well, possibly due to a screenshot being used for "recent apps"
		* view; on Android 13+, the activity can make use of shouldCoverPreview(false) for this.
		*/
		public boolean shouldCoverPreview() {
		return false;