Dialog for permission not shown about permissionutils HOT 5 CLOSED

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;

import java.util.ArrayList;

import rebus.permissionutils.AskAgainCallback;
import rebus.permissionutils.FullCallback;
import rebus.permissionutils.PermissionEnum;
import rebus.permissionutils.PermissionManager;

public class PermissionCheckerActivity extends BaseActivity implements FullCallback {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_permission_checker);
        int[] ids = getIntent().getIntArrayExtra("permissions");
        PermissionEnum[] permissions = new PermissionEnum[ids.length];
        for (int i = 0; i < ids.length; i++) {
            permissions[i] = PermissionEnum.values()[ids[i]];
        }

        PermissionManager.Builder()
                .permission(permissions)
                .askAgain(true)
                .askAgainCallback(new AskAgainCallback() {
                    @Override
                    public void showRequestPermission(AskAgainCallback.UserResponse response) {
                        showDialog(response);
                    }
                })
                .callback(new FullCallback() {
                    @Override
                    public void result(ArrayList<PermissionEnum> permissionsGranted, ArrayList<PermissionEnum> permissionsDenied, ArrayList<PermissionEnum> permissionsDeniedForever, ArrayList<PermissionEnum> permissionsAsked) {
                        finish();
                    }
                })
                .ask(this);
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        PermissionManager.handleResult(this, requestCode, permissions, grantResults);
    }

    @Override
    public void result(ArrayList<PermissionEnum> permissionsGranted, ArrayList<PermissionEnum> permissionsDenied, ArrayList<PermissionEnum> permissionsDeniedForever, ArrayList<PermissionEnum> permissionsAsked) {

    }

    private void showDialog(final AskAgainCallback.UserResponse response) {
        new AlertDialog.Builder(this)
                .setTitle("Permission needed")
                .setMessage("This app really need to use this permission, you wont to authorize it?")
                .setPositiveButton("OK", (dialogInterface, i) -> response.result(true))
                .setNegativeButton("NOT NOW", (dialogInterface, i) -> response.result(false))
                .show();
    }
}

Intent intent = new Intent(context, PermissionCheckerActivity.class);
int[] permissionsIDs = new int[permissions.length];
for (int i = 0; i < permissionsIDs.length; i++) {
    permissionsIDs[i] = permissions[i].ordinal();
}
intent.putExtra("permissions", permissionsIDs);
launcher.launchActivity(intent);

private interface ActivityLauncher {
    void launchActivity(Intent intent);
}

activity.startActivityForResult(intent, requestCode)