onRequestPermissionsResult called in HomeActivity but not in Fragment

问题

In a fragment I call requestPermissions

public class FgDialogFragment extends DialogFragment {
requestPermissions(new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE},22);

In the HomeActivity. java I wrote this code which is working fine

@Override
    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
        Log.i("info", "Result recieved");
    }

but I want to get onRequestPermissionsResult on the FgDialogFragment class. I tried this but it's not working. There is a lot of similar topics but none of them helped me to solve my problem.

public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
super.onRequestPermissionsResult(requestCode,permissions,grantResults);
        Log.i("info", "Result recieved in fragment");
}

回答1:

The requestPermissions call is only available within an Activity. There is also an ActivityCompat.requestPermissions, but that also takes an Activity context for the callback.

The callback will only work within an activity. I suggest either you create a listener you can call into your fragment or use an event bus.

来源：https://stackoverflow.com/questions/39729377/onrequestpermissionsresult-called-in-homeactivity-but-not-in-fragment