How to exit from the application and show the home screen?

Question

I have an application where on the home page I have buttons for navigation through the application.

On that page I have a button \"EXIT\" which when clicked should t

Answer 1

I tried exiting application using following code snippet, this it worked for me. Hope this helps you. i did small demo with 2 activities

first activity

public class MainActivity extends Activity implements OnClickListener{
    private Button secondActivityBtn;
    private SharedPreferences pref;
    private SharedPreferences.Editor editer;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        secondActivityBtn=(Button) findViewById(R.id.SecondActivityBtn);
        secondActivityBtn.setOnClickListener(this);

        pref = this.getSharedPreferences("MyPrefsFile", MODE_PRIVATE);
        editer = pref.edit();

        if(pref.getInt("exitApp", 0) == 1){
            editer.putInt("exitApp", 0);
            editer.commit();
            finish();
        }
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.SecondActivityBtn:
            Intent intent= new Intent(MainActivity.this, YourAnyActivity.class);
            startActivity(intent);
            break;
        default:
            break;
        }
    }
}

your any other activity

public class YourAnyActivity extends Activity implements OnClickListener {
    private Button exitAppBtn;
    private SharedPreferences pref;
    private SharedPreferences.Editor editer;

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

        exitAppBtn = (Button) findViewById(R.id.exitAppBtn);
        exitAppBtn.setOnClickListener(this);

        pref = this.getSharedPreferences("MyPrefsFile", MODE_PRIVATE);
        editer = pref.edit();
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.exitAppBtn:
            Intent main_intent = new Intent(YourAnyActivity.this,
                    MainActivity.class);
            main_intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(main_intent);
            editer.putInt("exitApp",1);
            editer.commit();
            break;
        default:
            break;
        }
    }
}