Android Open Source - QuizGame Menu Activity

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Back to project page QuizGame.
License

The source code is released under:
GNU General Public License
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Java Source Code

package it.splineyellow.quizgame;
//from   ww  w .  j av a  2 s. c  om
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;

import java.sql.SQLException;

// Copyright SplineYellow - 2014

/*
    Classe per la gestione del men utente.
 */
public class MenuActivity extends Activity {
    String userData;

    UtentiDatabaseAdapter utentiDatabaseAdapter = new UtentiDatabaseAdapter(this);

    /*
        onCreate() permette di gestire la selezione eseguita dall'utente tramite la pressione
        dei vari bottoni controllati tramite OnClickListener().
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.menu_activity);

        Button buttonNewGame = (Button) findViewById(R.id.button_new_game);

        buttonNewGame.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                goToConnection();
            }
        });

        Button buttonListGame = (Button) findViewById(R.id.button_list_games);

        buttonListGame.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v){
                goToListGames();
            }
        });

        Button buttonStatistics = (Button) findViewById(R.id.button_statistics);

        buttonStatistics.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                goToStatistics();
            }
        });

        Button buttonLogout = (Button) findViewById(R.id.button_logout);

        buttonLogout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onBackPressed();
            }
        });

        try {
            utentiDatabaseAdapter.open();
        } catch (SQLException e) {
            e.printStackTrace();
        }

        userData = utentiDatabaseAdapter.getCurrentUser();

        utentiDatabaseAdapter.close();

        String[] parts = userData.split(",");

        String user = parts[0];

        setTitle("Utente: " + user);
    }

    /*
        onKeyDown() permette di disabilitare la pressione del BackButton di Android.
     */
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        return (keyCode == KeyEvent.KEYCODE_BACK || super.onKeyDown(keyCode, event));
    }

    /*
        onCreateOptionsMenu() permette di disabilitare la visualizzazione del bottone Indietro
        all'interno del programma.
     */
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu, menu);

        try {
            getActionBar().setDisplayHomeAsUpEnabled(false);
        } catch (NullPointerException n) {
            n.printStackTrace();
        }

        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();

        return id == R.id.action_settings || super.onOptionsItemSelected(item);
    }

    /*
        onPrepareOptionsMenu() permette di disabilitare la pressione del tasto Settings di Android.
     */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        try {
            MenuItem item = menu.findItem(R.id.action_settings);

            item.setVisible(false);
        } catch(NullPointerException n) {
            n.printStackTrace();
        }

        return super.onPrepareOptionsMenu(menu);
    }

    private void goToConnection() {
        Intent intent = new Intent(this, ConnectionActivity.class);

        startActivity(intent);
    }

    private void goToListGames() {
        Intent intent = new Intent(this, ListGamesActivity.class);

        startActivity(intent);
    }

    private void goToStatistics () {
        Intent intent = new Intent(this, StatisticsActivity.class);

        startActivity(intent);
    }
}
Java Source Code List
