Dexter is an Android library that simplifies the process of requesting permissions at runtime.
Sample Code:
/**
* Requesting camera permission
* This uses single permission model from dexter
* Once the permission granted, opens the camera
* On permanent denial opens settings dialog
*/
private void requestCameraPermission() {
Dexter.withActivity(this)
.withPermission(Manifest.permission.CAMERA)
.withListener(new PermissionListener() {
@Override
public void onPermissionGranted(PermissionGrantedResponse response) {
// permission is granted
openCamera();
}
@Override
public void onPermissionDenied(PermissionDeniedResponse response) {
// check for permanent denial of permission
if (response.isPermanentlyDenied()) {
showSettingsDialog();
}
}
@Override
public void onPermissionRationaleShouldBeShown(PermissionRequest permission, PermissionToken token) {
token.continuePermissionRequest();
}
}).check();
}
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