添加了 target(@NonNull File target, @NonNull String authority) 自动安装程序无效。 about downloader HOT 1 CLOSED

		File dir = new File(getExternalCacheDir() + "/download/" + "public");
		if (!dir.exists()) {
			dir.mkdirs();
		}
		DownloadImpl.getInstance()
				.with(getApplicationContext())
				.target(new File(getExternalCacheDir() + "/download/" + "public" + "/" + "com.ss.android.article.news_636.apk"), this.getPackageName() + ".SampleFileProvider")//自定义路径需指定目录和authority(FileContentProvide),需要相对应匹配才能启动通知，和自动打开文件
				.setUniquePath(false)//是否唯一路径
				.setForceDownload(true)//不管网络类型
				.setRetry(4)//下载异常，自动重试,最多重试4次
				.setBlockMaxTime(60000L) //以8KB位单位，默认60s ，如果60s内无法从网络流中读满8KB数据，则抛出异常 。
				.setConnectTimeOut(10000L)//连接10超时
				.addHeader("xx", "cookie")//添加请求头
				.setDownloadTimeOut(Long.MAX_VALUE)//下载最大时长
				.setOpenBreakPointDownload(true)//打开断点续传
				.setParallelDownload(true)//打开多线程下载
				.autoOpenWithMD5("93d1695d87df5a0c0002058afc0361f1")//校验md5通过后自动打开该文件,校验失败会回调异常
//                .autoOpenIgnoreMD5()
//                .closeAutoOpen()
				.quickProgress()//快速连续回调进度，默认1.2s回调一次
				.url("http://shouji.360tpcdn.com/170918/93d1695d87df5a0c0002058afc0361f1/com.ss.android.article.news_636.apk")
				.enqueue(new DownloadListenerAdapter() {
					@Override
					public void onStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength, Extra extra) {
						super.onStart(url, userAgent, contentDisposition, mimetype, contentLength, extra);
					}

					@MainThread //加上该注解，自动回调到主线程
					@Override
					public void onProgress(String url, long downloaded, long length, long usedTime) {
						super.onProgress(url, downloaded, length, usedTime);
						Log.i(TAG, " progress:" + downloaded + " url:" + url);
					}

					@Override
					public boolean onResult(Throwable throwable, Uri path, String url, Extra extra) {
						String md5 = Runtime.getInstance().md5(new File(path.getPath()));
						Log.i(TAG, " path:" + path + " url:" + url + " length:" + new File(path.getPath()).length() + " md5:" + md5 + " extra.getFileMD5:" + extra.getFileMD5());
						return super.onResult(throwable, path, url, extra);
					}
				});