repositories {
        jcenter()
        maven { url "https://jitpack.io" }
    }

  compile 'com.ycjiang:ImagePreview:2.0.1'

    compile 'com.github.chrisbanes.photoview:library:1.3.1'
      compile 'com.android.support:support-fragment:25.3.1'

     GPreviewBuilder.from(GridViewCustomActivity.this)//activity实例必须
                            .to(CustomActivity.class)//自定义Activity 使用默认的预览不需要
                            .setData(mThumbViewInfoList)//集合
                            .setUserFragment(UserFragment.class)//自定义Fragment 使用默认的预览不需要
                            .setCurrentIndex(position)
                            .setSingleFling(false)//是否在黑屏区域点击返回
                            .setDrag(false)//是否禁用图片拖拽返回  
                            .setType(GPreviewBuilder.IndicatorType.Dot)//指示器类型
                            .start();//启动            

     mRecyclerView.addOnItemTouchListener(new OnItemClickListener() {
            @Override
            public void SimpleOnItemClick(BaseQuickAdapter baseQuickAdapter, View view, int position) {
              //在你点击时，调用computeBoundsBackward（）方法
                computeBoundsBackward(mGridLayoutManager.findFirstVisibleItemPosition());
              GPreviewBuilder.from(RecycleViewActivity.this)
                                .setData(mThumbViewInfoList)
                                .setCurrentIndex(position)
                                .setType(GPreviewBuilder.IndicatorType.Number)
                                .start();
            }
        });
    /**
     ** 查找信息
     * 从第一个完整可见item逆序遍历，如果初始位置为0，则不执行方法内循环
     */
    private void computeBoundsBackward(int firstCompletelyVisiblePos) {
        for (int i = firstCompletelyVisiblePos;i < mThumbViewInfoList.size(); i++) {
            View itemView = mGridLayoutManager.findViewByPosition(i);
            Rect bounds = new Rect();
            if (itemView != null) {
                ImageView thumbView = (ImageView) itemView.findViewById(R.id.iv);
                thumbView.getGlobalVisibleRect(bounds);
            }
            mThumbViewInfoList.get(i).setBounds(bounds);
        }
    }

public class UserViewInfo implements IThumbViewInfo {
    private String url;  //图片地址
    private Rect mBounds; // 记录坐标
    private String user;//

    public UserViewInfo(String url) {
        this.url = url;
    }

    @Override
    public String getUrl() {//将你的图片地址字段返回
        return url;
    }
    public void setUrl(String url) {
        this.url = url;
    }
    @Override
    public Rect getBounds() {//将你的图片显示坐标字段返回
        return mBounds;
    }
    
    public void setBounds(Rect bounds) {
        mBounds = bounds;
    }
   } 

public class TestImageLoader implements IZoomMediaLoader {
    @Override
    public void displayImage(Fragment context, String path, final MySimpleTarget<Bitmap> simpleTarget) {
         Glide.with(context).load(path).asBitmap().centerCrop().diskCacheStrategy(DiskCacheStrategy.SOURCE)
                      .error(R.drawable.ic_default_image)
                      .into(new SimpleTarget<Bitmap>() {
                          @Override
                          public void onResourceReady(Bitmap resource, GlideAnimation<? super Bitmap> glideAnimation) {
                              simpleTarget.onResourceReady(resource);
                          }
                          @Override
                          public void onLoadStarted(Drawable placeholder) {
                              super.onLoadStarted(placeholder);
                              simpleTarget.onLoadStarted();
                          }
      
                          @Override
                          public void onLoadFailed(Exception e, Drawable errorDrawable) {
                              super.onLoadFailed(e, errorDrawable);
                              simpleTarget.onLoadFailed(errorDrawable);
                          }
                      });
    }
     @Override
     public void onStop(@NonNull Fragment context) {
           Glide.with(context).onStop();
     }
     @Override
     public void clearMemory(@NonNull Context c) {
              Glide.get(c).clearMemory();
     }

    @Override
      public void onCreate() {
          super.onCreate();
          ZoomMediaLoader.getInstance().init(new TestImageLoader());
      }