android Camera2 API + TextureView覆蓋圖,用於在相機預覽上繪圖 [英]android Camera2 API + TextureView overlay for drawing on camera preview
打開預覽時,攝像機視圖上的Android SurfaceView覆蓋不會顯示 [英]Android SurfaceView overlay on camera view does not show when preview is on
Android Camera Preview回調非常緩慢地繪制疊加視圖 [英]android camera preview callback is drawing overlay view very slowly