code: public static Bitmap load(String path) {
          try {
              File fi = new File(path);
              if (fi.isDirectory() || !fi.exists()) {
                  return null;
              }
  
              return load(new FileInputStream(path), -1, -1);
          } catch (Exception e) {
              Log.e(TAG, "", e);
              return null;
          }
      }
docs: 加载指定路径下的图像文件
  
  @param path
  @return