[6] Menu

1. Menu

menu

<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/menu1" android:title="menu1"/> <item android:id="@+id/menu2" android:title="menu2"/> </menu>

* res/menu : res에 menu 디렉토리를 생성하고, menu 디렉토리에서 Menu Resource File을 추가.

* 추가하고 싶은 개수 만큼 item을 만들고, id, title 설정.

Activity

public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu, menu); return true; } }

* onCreateOptionMenu 를 Override 한다.

* getMenuInflater() 를 호출하여 추가.

2. 결과화면

3. Menu Click Event

Activity

public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch( item.getItemId() ) { case R.id.menu1: //menu1 Event Toast.makeText(getApplicationContext(), "menu1", Toast.LENGTH_SHORT).show(); break; case R.id.menu2: //menu2 Event break; } return super.onOptionsItemSelected(item); } }

* onOptionsItemSelected 를 Override.

* item.getItemId() 로 해당 menu의 id를 가져와서 처리.

4. 결과화면