鍦ˋndroid涓紝鍙互浣跨敤浠ヤ笅鍑犵鏂瑰紡瀹炵幇鏂囦欢涓嬭浇鍔熻兘锛?/p>

1. 浣跨敤HttpURLConnection鎴朞kHttp搴撳彂閫丠TTP璇锋眰骞惰幏鍙栨枃浠跺唴瀹癸紝鐒跺悗灏嗘枃浠朵繚瀛樺埌鏈湴瀛樺偍涓€傜ず渚嬩唬鐮佸涓嬶細

public class FileDownloader {
public static void downloadFile(String fileUrl, String destinationPath) {
try {
URL url = new URL(fileUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.setDoOutput(true);
connection.connect();
InputStream inputStream = connection.getInputStream();
FileOutputStream fileOutputStream = new FileOutputStream(destinationPath);
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = inputStream.read(buffer)) != -1) {
fileOutputStream.write(buffer, 0, bytesRead);
}
fileOutputStream.close();
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}

浣跨敤鏂规硶锛?/p>

FileDownloader.downloadFile("http://example.com/file.txt", "/sdcard/file.txt");

2. 浣跨敤DownloadManager绯荤粺鏈嶅姟杩涜鏂囦欢涓嬭浇锛屽畠鎻愪緵浜嗕笅杞界殑绠＄悊鍜屾帶鍒跺姛鑳姐€傜ず渚嬩唬鐮佸涓嬶細

public class FileDownloader {
public static void downloadFile(Context context, String fileUrl, String fileName) {
DownloadManager downloadManager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
Uri uri = Uri.parse(fileUrl);
DownloadManager.Request request = new DownloadManager.Request(uri);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
long downloadId = downloadManager.enqueue(request);
}
}

闇€瑕佹坊鍔犱互涓嬫潈闄愬埌AndroidManifest.xml鏂囦欢涓細

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

浣跨敤鏂规硶锛?/p>

FileDownloader.downloadFile(context, "http://example.com/file.txt", "file.txt");

3. 浣跨敤绗笁鏂瑰簱锛屽Retrofit鎴朧olley锛屽畠浠彁渚涗簡鏇撮珮绾х殑缃戠粶璇锋眰鍜屼笅杞藉姛鑳姐€傚叿浣撳疄鐜版柟寮忚鍙傝€冪浉鍏虫枃妗ｅ拰绀轰緥浠ｇ爜銆?/li>