超级简单的安卓图片下载

implementation 'com.hujiang.restvolley:restvolley:1.0.1'

String filename = url.substring(url.lastIndexOf("/"));
                String localPath = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES) + filename;
                RestVolleyDownload.download(context, url, localPath, new RestVolleyDownload.OnDownloadListener() {
                    @Override
                    public void onDownloadStart(String url) {

                    }

                    @Override
                    public void onDownloadSuccess(String url, File file, int httpCode, Headers headers) {
                        ToastUtils.shortToast("保存成功,文件地址：" + localPath);
                    }

                    @Override
                    public void onDownloadFailure(String url, Exception e, int httpCode, Headers headers) {
                        ToastUtils.shortToast("保存失败");
                    }

                    @Override
                    public void onDownloadProgress(String url, int downloadBytes, int contentLength, File file, int httpCode, Headers headers) {

                    }
                });