What are java (android) alternatives to deprecated AsynkTask for downloading file?

Question

What are alternative approaches to Download file other than AsyncTask - need to replace asynctask as it is deprecated.

Thanks in advance.

Answer 1

WorkManager is used for background tasks. You should create a Worker class e.g. FileDownloadWorker. If you need to do the file download asynchronously, you can extend your Worker class from ListenableWorker.

see:https://developer.android.com/topic/libraries/architecture/workmanager/basics#create_a_background_task

see:https://stackoverflow.com/a/52825547/6944302

Answer 2

To download files Android has released latest api https://developer.android.com/reference/android/app/DownloadManager

Answer 3

Use Kotlin Coroutines to handle asynchronous operations. Example:

suspend fun download(): InputStream = withContext(Dispatchers.IO) {
    // a download function that returns a byte stream
}

Answer 4

DonwloadMabager with a Broadcast receiver is the safer.