Use this Service class
public class DownloadService extends IntentService {
public DownloadService() {
super("Download Service");
}
String CHANNEL_ID1 = "Download Notification";
String CHANNEL_NAME1 = "Download Notification";
private NotificationManager notificationManager;
private int totalFileSize;
String name;
String url;
NotificationCompat.Builder builder;
@Override
protected void onHandleIntent(Intent intent) {
name = intent.getStringExtra("name");
url = intent.getStringExtra("url");
createChannels();
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);
Uri sounduri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
builder = new NotificationCompat.Builder(this, CHANNEL_ID1);
builder.setContentTitle("Download");
builder.setContentText("Downloading File");
builder.setContentIntent(pendingIntent);
builder.setSmallIcon(R.mipmap.ic_launcher);
Bitmap bm = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher);
builder.setLargeIcon(bm);
builder.setSound(null);
builder.setAutoCancel(true);
notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
notificationManager.notify(0, builder.build());
initDownload();
}
private void initDownload() {
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("Your Url") //Url Base here
.build();
RetrofitInterface retrofitInterface = retrofit.create(RetrofitInterface.class);
Call<ResponseBody> request = retrofitInterface.downloadFile(url);// pass your Url
try {
downloadFile(request.execute().body());
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show();
}
}
private void downloadFile(ResponseBody body) throws IOException {
String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Folder name";
File folder = new File(path);
if (!folder.exists()) {
folder.mkdir();
}
int count;
byte data[] = new byte[1024 * 4];
long fileSize = body.contentLength();
InputStream bis = new BufferedInputStream(body.byteStream(), 1024 * 8);
File outputFile = new File(path, name + ".mp3");// file name & extension
OutputStream output = new FileOutputStream(outputFile);
long total = 0;
long startTime = System.currentTimeMillis();
int timeCount = 1;
while ((count = bis.read(data)) != -1) {
total += count;
totalFileSize = (int) (fileSize / (Math.pow(1024, 2)));
double current = Math.round(total / (Math.pow(1024, 2)));
int progress = (int) ((total * 100) / fileSize);
long currentTime = System.currentTimeMillis() - startTime;
Download download = new Download();
download.setTotalFileSize(totalFileSize);
if (currentTime > 1000 * timeCount) {
download.setCurrentFileSize((int) current);
download.setProgress(progress);
sendNotification(download);
timeCount++;
}
output.write(data, 0, count);
}
onDownloadComplete();
output.flush();
output.close();
bis.close();
}
private void sendNotification(Download download) {
builder.setProgress(100, download.getProgress(), false);
builder.setContentText("Downloading file " + download.getCurrentFileSize() + "/" + totalFileSize + " MB");
notificationManager.notify(0, builder.build());
}
private void onDownloadComplete() {
Download download = new Download();
download.setProgress(100);
notificationManager.cancel(0);
builder.setProgress(0, 0, false);
builder.setContentText("File Downloaded");
//builder.setVibrate(null);
notificationManager.notify(0, builder.build());
}
@Override
public void onTaskRemoved(Intent rootIntent) {
notificationManager.cancel(0);
}
public void createChannels() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
NotificationChannel notifiCationChannel = new NotificationChannel(CHANNEL_ID1, CHANNEL_NAME1, NotificationManager.IMPORTANCE_DEFAULT);
notifiCationChannel.enableLights(true);
notifiCationChannel.enableVibration(false);
notifiCationChannel.setLightColor(Color.GREEN);
notifiCationChannel.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
notifiCationChannel.setShowBadge(true);
notifiCationChannel.setSound(null,null);
notificationManager.createNotificationChannel(notifiCationChannel);
}
}
}
Вызовите этот метод из своей деятельности / фрагмента и введите URL-адрес и имя
private fun startDownload() {
val intent = Intent(this, DownloadService::class.java)
intent.putExtra("name", name)
intent.putExtra("url", url)
startService(intent)
}
Retrofit Interface
interface RetrofitInterface {
@GET
@Streaming
fun downloadFile(@Url url: String): Call<ResponseBody>
}