Surfaceholder android, The Callback is set with SurfaceHolder
Surfaceholder android, Callback callback) Add a Callback interface for this holder. To control any SurfaceView, you can handle it in onPause/onResume only. When using this interface from a thread other than the one running its SurfaceView, you will want to carefully read the methods #lockCanvas and SurfaceHolderHardwareBufferFrameQueue ( surfaceHolder: SurfaceHolder!, surfaceHolderExecutor: Executor!, listener: SurfaceHolderHardwareBufferFrameQueue. When working with a SurfaceView, this must be called from the same thread running the SurfaceView's window. Listener listener, Executor listenerExecutor ) Creates a new Oct 21, 2025 · A SurfaceHolder is an interface the system uses to share ownership of surfaces with apps. Is the activity on the screen? If so, there won't be SurfaceHolder. view. / core / java / android / view / SurfaceHolder. This interface is typically available through the SurfaceView class. Callback, and it can therefore pass a reference to itself ('this') to functions that take a SurfaceHolder. Callback, it IS an instance of SurfaceHolder. android / platform / frameworks / base / HEAD / . addCallback method. Apr 8, 2013 · In your class declaration you will see at the top that it "implements SurfaceHolder. SurfaceHolder). Listener A HardwareBufferFrameQueue that outputs frames to a SurfaceHolder. SurfaceHolder) and surfaceDestroyed(android. When using this interface from a thread other than the one running its SurfaceView, you will want to carefully read the methods lockCanvas() and . java blob: c5d45c318f670db7babf1b85f404aaa21061a6a5 [file] [log] [blame] When this is enabled, you should monitor surfaceChanged (SurfaceHolder, int, int, int) for changes to the size of the surface. Callback parameter. When used with a SurfaceView, the Surface being held is only available between calls to surfaceCreated(android. Some clients that work with surfaces want a SurfaceHolder, because APIs to get and set surface parameters are implemented through a SurfaceHolder. Callback". Summary Abstract interface to someone holding a display surface. A client may implement this interface to receive information about changes to the surface. Jun 25, 2016 · 1 SurfaceHolder. Abstract interface to someone holding a display surface. There can several Callback interfaces associated with a holder. Since your class implements SurfaceHolder. When this is enabled, you should monitor surfaceChanged(SurfaceHolder, int, int, int) for changes to the size of the surface. The Callback is set with SurfaceHolder. Callback is related to its Surface. Build apps that give your users seamless experiences from phones to tablets, watches, and more. Callback, because the Surface is still on the screen. Summary Public constructors SurfaceHolderHardwareBufferFrameQueue public SurfaceHolderHardwareBufferFrameQueue ( SurfaceHolder surfaceHolder, Executor surfaceHolderExecutor, SurfaceHolderHardwareBufferFrameQueue. Allows you to control the surface size and format, edit the pixels in the surface, and monitor changes to the surface. Public methods addCallback Added in API level 1 public abstract void addCallback (SurfaceHolder.
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