Call another application if is installed

CallApplicationFragment.java

package com.example.app.fragments;

import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.zerohora.app.R;

public class CallApplicationFragment extends Fragment {

    private static final String APPLICATION_PACKAGE = "br.com.luiscoms.gravityworld";

    @Override
    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        boolean installed = appInstalledOrNot(APPLICATION_PACKAGE);
        if (installed) {
            Intent LaunchIntent = getActivity()
                .getPackageManager()
                .getLaunchIntentForPackage(APPLICATION_PACKAGE);
            startActivity(LaunchIntent);
            // getActivity().finish(); finish the actual application
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        final View v = inflater.inflate(R.layout.fragment_digital_news, container, false);
        if (v != null) {
            (v.findViewById(R.id.btn_gotoApplication)).setOnClickListener(gotoApplication);
        }

        return v;
    }

    private boolean appInstalledOrNot(String uri) {
        PackageManager pm = getActivity().getPackageManager();
        boolean app_installed;
        try {
            pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
            app_installed = true;
        } catch (PackageManager.NameNotFoundException e) {
            app_installed = false;
        }
        return app_installed;
    }

    private View.OnClickListener gotoApplication = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent = new Intent(Intent.ACTION_VIEW);
            intent.setData(Uri.parse(String.format("market://details?id=%s", APPLICATION_PACKAGE)));
            startActivity(intent);
        }
    };
}