CODEWITHSUNDEEP
javaandroidmultithreadingandroid-asynctask
Preau
Preau

Reputation: 903

Android, wait for activity to finish in asynctask

I have a AsyncTask in which an activity is launched during the doInBackground method:

private class startupTask extends AsyncTask<Void, Void, Void> {
    @Override
    protected Void doInBackground(Void... params) {
        Intent intent = new Intent(StartupActivity.this, LoginConnectorActivity.class);
        intent.putExtra("account", account);
        startActivity(intent);
        return null;
    }
}

I want to wait for the called activity to finish before letting the AsyncTask finish. What would be the best way to do this?

Upvotes: 1

Views: 2233

Answers (2)

Alex Lockwood
Alex Lockwood

Reputation: 83303

The question really is why would you ever do this?

The purpose of the AsyncTask is to provide an easy means of performing a potentially expensive task so that it does not block the UI thread. From your question, it sounds like you could easily achieve your task without the use of multi-threading.

What you really want is to launch your Activity with startActivityWithResult(). Then start the new activity when the launched activity returns control to onActivityResult().

Upvotes: 3

Mayank
Mayank

Reputation: 8852

what you are asking beats the purpose of the AsyncTask, as AsyncTask suppose to run asynchronously with other tasks of the app and finish in the background. So if you want to wait while this task finishes then don't make it a AsyncTask, as simple as that.

Upvotes: 3

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