gistfile1.txt

package com.igor.cars;

import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

import static com.igor.cars.Cars.car_type.coupe;
import static java.lang.String.valueOf;


public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        th();
        }


    public void th(){
        try {
            PackageManager packageManager = getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo("com.test.tesk1", 0);
            String versionName = packageInfo.versionName;
            System.out.println(versionName);
        } catch (PackageManager.NameNotFoundException e){
            System.out.println("Vladik molotets  " + e);
        } catch (NullPointerException e ){
            System.out.println("NPE" + e);
        }
    }



}