الاغلاق

public class MainActivity extends ActionBarActivity {

    Button but_close;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

    

    setContentView(R.layout.activity_main);

        //

        but_close = (Button) findViewById(R.id.clos);

        but_close.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                AlertDialog.Builder builder = new AlertDialog.Builder(

                        MainActivity.this);

                builder.setTitle("إغلاق التطبيق"); // العنوان

                builder.setMessage("هل متأكد من خروج من التطبيق :("); // المحتوى

                builder.setPositiveButton("نعم", // الزر الاول

                        new DialogInterface.OnClickListener() {

                            public void onClick(DialogInterface dialog,

                                                int which) {

                                // الاوامر التي تحدث بعد الضغط على الزر الأاول

                                finishAffinity();

                            }

                        });

                builder.setNegativeButton("لا", // الزر الثاني

                        new DialogInterface.OnClickListener() {

                            public void onClick(DialogInterface dialog,

                                                int which) {

                                // اوامر الزر الثاني

                            }

                        });

                builder.show();

            }

        });

    }