Info.java

package com.ilm.sandwich;

import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.widget.TextView;

import com.google.android.gms.analytics.HitBuilders;
import com.google.android.gms.analytics.Tracker;
import com.ilm.sandwich.tools.AnalyticsApplication;

/**
 * @author Christian Henke
 *         www.smartnavi-app.com
 */
public class Info extends AppCompatActivity {

    private Tracker mTracker;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_info);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setTitle(getResources().getString(R.string.tx_65));

        // Obtain the shared Tracker instance.
        AnalyticsApplication application = (AnalyticsApplication) getApplication();
        mTracker = application.getDefaultTracker();

        TextView versionNameText = (TextView) findViewById(R.id.versionName);
        PackageInfo pInfo = null;
        try {
            pInfo = getPackageManager().getPackageInfo(getPackageName(), 0);
            String versionName = pInfo.versionName;
            versionNameText.setText(versionName);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
    }

    @Override
    protected void onResume() {
        mTracker.setScreenName("Info");
        mTracker.send(new HitBuilders.ScreenViewBuilder().build());
        super.onResume();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                return (true);
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_HOME) {
            return true;
        }
        return super.onKeyUp(keyCode, event);
    }

}