Android编程实现修改标题栏位置使其居中的方法

package com.example.libraryclient;import android.app.Activity;import android.os.Bundle;import android.view.Menu;import android.view.Window;import com.example.R;public class HomePageActivity extends Activity{@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);//设置布局requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); setContentView(R.layout.activity_homepage);getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,R.layout.title);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {return super.onCreateOptionsMenu(menu);}}