[AnDrOiD] 타이틀바 안보이도록 설정

1. Using JAVA CODE

requestWindowFeature(Window.FEATURE_NO_TITLE);

2. Using AndroidManifast.xml

<activity android:name=".ActivityMain" android:theme="@android:style/Theme.NoTitleBar">

<activity android:name=".ActivityMain" android:theme="@android:style/Theme.NoTitleBar.Fullscreen">