setLaunchBounds
Sets the bounds (window size) that the activity should be launched in. Rect position should be provided in pixels and in screen coordinates. Set to null explicitly for fullscreen.
NOTE: This value is ignored on devices that don't have FEATURE_FREEFORM_WINDOW_MANAGEMENT or FEATURE_PICTURE_IN_PICTURE enabled.
Parameters
screenSpacePixelRect
Launch bounds to use for the activity or null for fullscreen.