android从网上下载图片到本地文件okhttp方法

    OkHttpClient client = new OkHttpClient();
    Request builder = new Request.Builder()
            .get()
            .url("https://p3-sign.toutiaoimg.com/tos-cn-i-tjoges91tu/714c405d45f07e14528f9c5fe8323261~tplv-tt-origin-asy2:5aS05p2hQOaWsOa5luWNlw==.image?_iz=58558&from=article.pc_detail&x-expires=1694999550&x-signature=jrc1NfB4Fj6oCko2VIisM8F%2BbRM%3D")
            .build();
    client.newCall(builder).enqueue(new Callback() {
        @Override
        public void onFailure(@NonNull Call call, @NonNull IOException e) {
            getActivity().runOnUiThread(()->{
                Toast.makeText(getContext(), "下载失败", Toast.LENGTH_SHORT).show();
            });
        }

        @Override
        public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
            InputStream inputStream = response.body().byteStream();
            byte[] bytes = new byte[1024];
            int len=0;
            FileOutputStream fileOutputStream = new FileOutputStream("/sdcard/Pictures/haotu");
            if ((len=inputStream.read(bytes))!=-1){
                fileOutputStream.write(bytes,len,0);
            }
            inputStream.close();
            fileOutputStream.close();
        }
    });
}