安卓自定义标题

//在安卓开发中可以自己设置自己喜欢的任意格式标题，只需要个布局文件即可
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);

setContentView(R.layout.activity_main);
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.title);
}

}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" 
    android:background="@drawable/rectangle"
    >    
    <TextView 
         android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:textColor="#00FF00"
    android:text="这是我的自定义标题"
        />
</LinearLayout>