io.flutter.embedding.engine.renderer.SurfaceTextureSurfaceProducerTest Class Reference

Public Member Functions
void	createsSurfaceTextureOfGivenSizeAndResizesWhenRequested ()

Detailed Description

Definition at line 22 of file SurfaceTextureSurfaceProducerTest.java.

Member Function Documentation

createsSurfaceTextureOfGivenSizeAndResizesWhenRequested()

void io.flutter.embedding.engine.renderer.SurfaceTextureSurfaceProducerTest.createsSurfaceTextureOfGivenSizeAndResizesWhenRequested ( )

inline

Definition at line 26 of file SurfaceTextureSurfaceProducerTest.java.

                                                                        {
    final FlutterRenderer flutterRenderer = new FlutterRenderer(fakeJNI);
 
    // Create a surface and set the initial size.
    final Handler handler = new Handler(Looper.getMainLooper());
    final SurfaceTextureSurfaceProducer producer =
        new SurfaceTextureSurfaceProducer(
            0, handler, fakeJNI, flutterRenderer.registerSurfaceTexture(new SurfaceTexture(0)));
    final Surface surface = producer.getSurface();
    AtomicInteger frames = new AtomicInteger();
    producer
        .getSurfaceTexture()
        .setOnFrameAvailableListener(
            (texture) -> {
              if (texture.isReleased()) {
                return;
              }
              frames.getAndIncrement();
            });
    producer.setSize(100, 200);
 
    // Draw.
    Canvas canvas = surface.lockHardwareCanvas();
    canvas.drawARGB(255, 255, 0, 0);
    surface.unlockCanvasAndPost(canvas);
    shadowOf(Looper.getMainLooper()).idle();
    assertEquals(frames.get(), 1);
 
    // Resize and redraw.
    producer.setSize(400, 800);
    canvas = surface.lockHardwareCanvas();
    canvas.drawARGB(255, 255, 0, 0);
    surface.unlockCanvasAndPost(canvas);
    shadowOf(Looper.getMainLooper()).idle();
    assertEquals(frames.get(), 2);
 
    // Done.
    fakeJNI.detachFromNativeAndReleaseResources();
    producer.release();
  }

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The documentation for this class was generated from the following file:

• shell/platform/android/test/io/flutter/embedding/engine/renderer/SurfaceTextureSurfaceProducerTest.java