Androidstudio根据图片路径获取本地图片的方法

String path="//sdcard//DCIM//a31.jpg";
File file = new File(path);

if(file.exists()){
    Bitmap bm = BitmapFactory.decodeFile(path);
    pruductImg.setImageBitmap(bm);
}

private ImageView pruductImg;
pruductImg.setImageURI(
Uri.fromFile(newFile(CommonParameter.getMyproduct().getmImg()))
);