ConfigConstants.java 文件源码

public static GenericDraweeHierarchy getGenericDraweeHierarchy(Context context){
      GenericDraweeHierarchy gdh = new GenericDraweeHierarchyBuilder(context.getResources())
//            .reset()//重置
//            .setActualImageColorFilter(colorFilter)//颜色过滤
//            .setActualImageFocusPoint(focusPoint)//focusCrop, 需要指定一个居中点
//            .setActualImageMatrix(actualImageMatrix)
//            .setActualImageScaleType(actualImageScaleType)//fresco:actualImageScaleType="focusCrop"缩放类型
//            .setBackground(background)//fresco:backgroundImage="@color/blue"背景图片
//            .setBackgrounds(backgrounds)
//            .setFadeDuration(fadeDuration)//fresco:fadeDuration="300"加载图片动画时间
              .setFailureImage(ConfigConstants.sErrorDrawable)//fresco:failureImage="@drawable/error"失败图
//            .setFailureImage(failureDrawable, failureImageScaleType)//fresco:failureImageScaleType="centerInside"失败图缩放类型
//            .setOverlay(overlay)//fresco:overlayImage="@drawable/watermark"叠加图
//            .setOverlays(overlays)
              .setPlaceholderImage(ConfigConstants.sPlaceholderDrawable)//fresco:placeholderImage="@color/wait_color"占位图
//            .setPlaceholderImage(placeholderDrawable, placeholderImageScaleType)//fresco:placeholderImageScaleType="fitCenter"占位图缩放类型
//            .setPressedStateOverlay(drawable)//fresco:pressedStateOverlayImage="@color/red"按压状态下的叠加图
              .setProgressBarImage(new ProgressBarDrawable())//进度条fresco:progressBarImage="@drawable/progress_bar"进度条
//            .setProgressBarImage(progressBarImage, progressBarImageScaleType)//fresco:progressBarImageScaleType="centerInside"进度条类型
//            .setRetryImage(retryDrawable)//fresco:retryImage="@drawable/retrying"点击重新加载
//            .setRetryImage(retryDrawable, retryImageScaleType)//fresco:retryImageScaleType="centerCrop"点击重新加载缩放类型
              .setRoundingParams(RoundingParams.asCircle())//圆形/圆角fresco:roundAsCircle="true"圆形
              .build();
      return gdh;
  }