메뉴 - 서브 메뉴 생성(Sub Menu)
서브(Sub Menu) 작성에 대해서 소개합니다.
1. "서브 메뉴" 소개
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서브 - 메뉴
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2. 구현
3. 소스코드
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){
super.onCreateOptionsMenu(menu);
SubMenu sub = menu.addSubMenu("file");
sub.add(0, 1, 0, "new");
sub.add(0, 2, 0, "open");
return true;
}
}
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MainActivity.java
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<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.lab.submenu.MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hello World!"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
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Activity_Main.xml
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<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/file"
android:icon="@mipmap/ic_launcher"
android:title="file">
<menu>
<item
android:id="@+id/create_new"
android:title="new" />
<item
android:id="@+id/open"
android:title="open" />
</menu>
</item>
</menu>
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menu.xml
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