Java GenericDraweeHierarchy类代码示例

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
@Test
public void testMockBuilderOfDrawableHierarchies() {
  GenericDraweeHierarchy gdh = DraweeMocks.mockDraweeHierarchy();
  GenericDraweeHierarchyBuilder builder =
      DraweeMocks.mockBuilderOf(gdh);
  assertEquals(gdh, builder.build());
  assertEquals(gdh, builder.build());
  assertEquals(gdh, builder.build());
  assertEquals(gdh, builder.build());
  assertEquals(gdh, builder.build());

  GenericDraweeHierarchy gdh1 = DraweeMocks.mockDraweeHierarchy();
  GenericDraweeHierarchy gdh2 = DraweeMocks.mockDraweeHierarchy();
  GenericDraweeHierarchy gdh3 = DraweeMocks.mockDraweeHierarchy();
  GenericDraweeHierarchyBuilder multiBuilder =
      DraweeMocks.mockBuilderOf(gdh1, gdh2, gdh3);
  assertEquals(gdh1, multiBuilder.build());
  assertEquals(gdh2, multiBuilder.build());
  assertEquals(gdh3, multiBuilder.build());
  assertEquals(gdh3, multiBuilder.build());
  assertEquals(gdh3, multiBuilder.build());
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
private void changeDraweeViewScaleType(
    SimpleDraweeView draweeView,
    ScaleType scaleType,
    @Nullable PointF focusPoint) {
  final GenericDraweeHierarchy hierarchy = draweeView.getHierarchy();
  hierarchy.setActualImageScaleType(scaleType);
  hierarchy.setActualImageFocusPoint(focusPoint != null ? focusPoint : new PointF(0.5f, 0.5f));

  final RoundingParams roundingParams = Preconditions.checkNotNull(hierarchy.getRoundingParams());
  if (BITMAP_ONLY_SCALETYPES.contains(scaleType)) {
    roundingParams.setRoundingMethod(RoundingParams.RoundingMethod.BITMAP_ONLY);
  } else {
    roundingParams.setOverlayColor(mWindowBackgroundColor);
  }
  hierarchy.setRoundingParams(roundingParams);
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
private void displayImage(SimpleDraweeView draweeView, String url) {
    GenericDraweeHierarchy hierarchy = draweeView.getHierarchy();
    //设置占位图
    if (hierarchy == null) {
        hierarchy = GenericDraweeHierarchyBuilder.newInstance(getResources())
                .setPlaceholderImage(getResources().getDrawable(R.mipmap.ic_launcher)
                        , ScalingUtils.ScaleType.CENTER).build();
        draweeView.setHierarchy(hierarchy);
    } else {
        hierarchy.setPlaceholderImage(getResources().getDrawable(R.mipmap.ic_launcher)
                , ScalingUtils.ScaleType.CENTER);
    }

    //构建ImageRequestBuilder，传入请求Uri
    ImageRequestBuilder requestBuilder = ImageRequestBuilder.newBuilderWithSource(Uri.parse(url));
    //构建Controller
    DraweeController controller = Fresco.newDraweeControllerBuilder()
            .setOldController(draweeView.getController())
            .setImageRequest(requestBuilder.build())
            .build();
    //设置图片，Fresco设置显示图片都是通过Controller来实现
    draweeView.setController(controller);
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
private ViewGroup generateImageLayout() {
    SquareDraweeView imageView = new SquareDraweeView(mContext);

    GenericDraweeHierarchyBuilder builder =
            new GenericDraweeHierarchyBuilder(mContext.getResources());
    GenericDraweeHierarchy hierarchy = builder
            .setFadeDuration(300).setActualImageScaleType(ScalingUtils.ScaleType.CENTER_CROP)
            .build();
    if (mPlaceholderImageResId > 0) {
        hierarchy.setPlaceholderImage(mPlaceholderImageResId);
    }
    if (mFailureImageResId > 0) {
        hierarchy.setFailureImage(mFailureImageResId);
    }

    imageView.setHierarchy(hierarchy);
    RelativeLayout.LayoutParams imgLp = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
    imgLp.setMargins(mImageBorderThickness, mImageBorderThickness, mImageBorderThickness, mImageBorderThickness);
    RelativeLayout mainLayout = new RelativeLayout(mContext);
    mainLayout.setBackgroundColor(mImageBorderColor);
    mainLayout.addView(imageView, imgLp);
    return mainLayout;
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
public Attacher(DraweeView<GenericDraweeHierarchy> draweeView) {
    mDraweeView = new WeakReference<>(draweeView);
    draweeView.getHierarchy().setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER);
    draweeView.setOnTouchListener(this);
    mScaleDragDetector = new ScaleDragDetector(draweeView.getContext(), this);
    mGestureDetector = new GestureDetectorCompat(draweeView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {
                @Override public void onLongPress(MotionEvent e) {
                    super.onLongPress(e);
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getDraweeView());
                    }
                }
            });
    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
@Override public void run() {

            DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();
            if (draweeView == null) {
                return;
            }

            float t = interpolate();
            float scale = mZoomStart + t * (mZoomEnd - mZoomStart);
            float deltaScale = scale / getScale();

            onScale(deltaScale, mFocalX, mFocalY);

            if (t < 1f) {
                postOnAnimation(draweeView, this);
            }
        }
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
private SimpleDraweeView createSimpleDraweeView() {
    SimpleDraweeView view = new SimpleDraweeView(itemView.getContext());
    GenericDraweeHierarchyBuilder builder =
            new GenericDraweeHierarchyBuilder(itemView.getContext().getResources());
    GenericDraweeHierarchy hierarchy = builder
            .setActualImageScaleType(ScalingUtils.ScaleType.CENTER_CROP)
            .setPlaceholderImage(R.color.loading_color)
            .setPlaceholderImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
            .setFailureImage(R.mipmap.ic_failed)
            .setFailureImageScaleType(ScalingUtils.ScaleType.CENTER)
            .build();
    view.setHierarchy(hierarchy);
    view.setTag(atomicInteger.getAndIncrement());
    view.setOnClickListener(this);
    return view;
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
public static void loadHeadView(Context context, SimpleDraweeView simpleDraweeView, Uri httpUri) {
    //初始化圆角圆形参数对象
    RoundingParams rp = new RoundingParams();
    //设置图像是否为圆形
    rp.setRoundAsCircle(true);

    final GenericDraweeHierarchy hierarchy = new GenericDraweeHierarchyBuilder(context.getResources())
            .setRoundingParams(rp)
            .build();

    DraweeController controller = Fresco.newDraweeControllerBuilder()
            .setUri(httpUri)
            .setTapToRetryEnabled(true)
            .setOldController(simpleDraweeView.getController())
            .build();
    simpleDraweeView.setHierarchy(hierarchy);
    simpleDraweeView.setController(controller);
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
@Override public void onDrag(float dx, float dy) {

        DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();

        if (draweeView != null && !mScaleDragDetector.isScaling()) {
            mMatrix.postTranslate(dx, dy);
            checkMatrixAndInvalidate();

            ViewParent parent = draweeView.getParent();
            if (parent == null) {
                return;
            }

            if (mAllowParentInterceptOnEdge
                    && !mScaleDragDetector.isScaling()
                    && !mBlockParentIntercept) {
                if (mScrollEdge == EDGE_BOTH || (mScrollEdge == EDGE_LEFT && dx >= 1f) || (
                        mScrollEdge == EDGE_RIGHT
                                && dx <= -1f)) {
                    parent.requestDisallowInterceptTouchEvent(false);
                }
            } else {
                parent.requestDisallowInterceptTouchEvent(true);
            }
        }
    }
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
@Override public void run() {
    if (mScroller.isFinished()) {
        return;
    }

    DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();

    if (draweeView != null && mScroller.computeScrollOffset()) {
        final int newX = mScroller.getCurrX();
        final int newY = mScroller.getCurrY();
        mMatrix.postTranslate(mCurrentX - newX, mCurrentY - newY);
        draweeView.invalidate();
        mCurrentX = newX;
        mCurrentY = newY;
        postOnAnimation(draweeView, this);
    }
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
protected void init() {
    if (null == mAttacher || null == mAttacher.getImageView()) {
        mAttacher = new PhotoViewAttacher(this);
    }

    if (null != mPendingScaleType) {
        setScaleType(mPendingScaleType);
        mPendingScaleType = null;
    }

    if (mDraweeHolder == null) {
        GenericDraweeHierarchy hierarchy = new GenericDraweeHierarchyBuilder(getResources())
                .setFadeDuration(500)
                .setProgressBarImage(new CustomProgressbarDrawable(this))
                .build();
        mDraweeHolder = DraweeHolder.create(hierarchy, getContext());
    }
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
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;
  }
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_view_image);

    final SimpleDraweeView mImageView = (SimpleDraweeView) findViewById(R.id.view_image_image);
    final int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
    final GenericDraweeHierarchy hierarchy = new GenericDraweeHierarchyBuilder(getResources())
        .setFadeDuration(shortAnimTime)
        .setProgressBarImage(new ImageLoadingDrawable(getResources()))
        .setFailureImage(getResources().getDrawable(R.drawable.ic_upload_failed), ScalingUtils.ScaleType.CENTER_INSIDE)
        .setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
        .build();
    mImageView.setHierarchy(hierarchy);

    mImageView.setImageURI(getIntent().getParcelableExtra(EXTRA_IMAGE_URI));
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
/**
 * Creates a mock GenericDraweeHierarchyBuilder with stubbed build.
 * @param drawableHierarchies drawable hierarchies to return on {@code build()}
 * @return mock GenericDraweeHierarchyBuilder
 */
public static GenericDraweeHierarchyBuilder mockBuilderOf(
    GenericDraweeHierarchy... drawableHierarchies) {
  GenericDraweeHierarchyBuilder builder =
      mock(GenericDraweeHierarchyBuilder.class, CALLS_REAL_METHODS);
  final Supplier<GenericDraweeHierarchy> gdhProvider = supplierOf(drawableHierarchies);
  doAnswer(
      new Answer() {
        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
          return gdhProvider.get();
        }
      }).when(builder).build();
  return builder;
}
 

import com.facebook.drawee.generic.GenericDraweeHierarchy; //导入依赖的package包/类
@Override
public VolleyDraweeHolder onCreateViewHolder(ViewGroup parent, int viewType) {
  GenericDraweeHierarchy gdh = new GenericDraweeHierarchyBuilder(getContext().getResources())
      .setPlaceholderImage(Drawables.sPlaceholderDrawable)
      .setFailureImage(Drawables.sErrorDrawable)
      .build();
  InstrumentedDraweeView view = new InstrumentedDraweeView(getContext());
  view.setHierarchy(gdh);
  return new VolleyDraweeHolder(getContext(), parent, view, getPerfListener());
}