ScrollPerfApplication.java 文件源码

@Override
public void onCreate() {
  super.onCreate();
  final Config config = Config.load(this);
  ImagePipelineConfig.Builder imagePipelineConfigBuilder = ImagePipelineConfig.newBuilder(this)
      .setResizeAndRotateEnabledForNetwork(false)
      .setDownsampleEnabled(config.downsampling);
  if (WebpSupportStatus.sIsWebpSupportRequired) {
    imagePipelineConfigBuilder.experiment().setWebpSupportEnabled(config.webpSupportEnabled);
  }
  if (config.decodingThreadCount == 0) {
    imagePipelineConfigBuilder.setExecutorSupplier(
        new DefaultExecutorSupplier(Const.NUMBER_OF_PROCESSORS));
  } else {
    imagePipelineConfigBuilder.setExecutorSupplier(
        new ScrollPerfExecutorSupplier(Const.NUMBER_OF_PROCESSORS, config.decodingThreadCount));
  }
  imagePipelineConfigBuilder.experiment().setDecodeCancellationEnabled(config.decodeCancellation);
  DraweeConfig draweeConfig = DraweeConfig.newBuilder()
      .setDrawDebugOverlay(config.draweeOverlayEnabled)
      .build();
  Fresco.initialize(this, imagePipelineConfigBuilder.build(), draweeConfig);
}