public void onRequestPermissionsResult(
int requestCode, String[] permissions, int[] grantResults) {
if (requestCode == PERMISSION_REQUEST) {
// Request for permission.
if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission granted
if (mOnPermissionListener != null) {
mOnPermissionListener.OnPermissionChanged(true);
}
} else {
// permission denied
if (mOnPermissionListener != null) {
mOnPermissionListener.OnPermissionChanged(false);
}
}
}
}
public PermissionManager(Activity activity, OnPermissionListener onPermissionListener) {
mActivity = activity;
setOnPermissionListener(onPermissionListener);
if (ActivityCompat.checkSelfPermission(mActivity, Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
// Permission is already available
if (mOnPermissionListener != null) {
mOnPermissionListener.OnPermissionChanged(true);
}
} else {
// Permission is missing and must be requested.
requestPermission();
}
}
private void requestPermission() {
// Permission has not been granted and must be requested.
if (ActivityCompat.shouldShowRequestPermissionRationale(
mActivity, Manifest.permission.ACCESS_FINE_LOCATION)) {
ActivityCompat.requestPermissions(
mActivity, new String[] {Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST);
} else {
if (mOnPermissionListener != null) {
mOnPermissionListener.OnPermissionChanged(false);
}
// Request the permission. The result will be received in onRequestPermissionResult().
ActivityCompat.requestPermissions(
mActivity, new String[] {Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST);
}
}