Android制作微信app顶部menu菜单（ActionBar）

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>


 满艺
 检索
 更多
 添加朋友
 发起群聊
 收款
 扫一扫
 
 您好，满艺
 

package com.example.androidmenuview;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewConfiguration;
import android.view.Window;
import android.widget.Toast;

public class MainActivity extends Activity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  
  setMenuOverflowAlways();
  getActionBar().setDisplayShowHomeEnabled(false);//设置ActionBar应用图标不显示
 }

 //初始化Menu
 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
  menu.add(Menu.NONE,Menu.FIRST+6,7,"新增").setIcon(android.R.drawable.ic_input_add);//手动添加menu菜单
  getMenuInflater().inflate(R.menu.main, menu);
  return true;
 }
 
 //添加Menu的点击事件
 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
  switch (item.getItemId()) {
   case R.id.search:
//   Toast.makeText(this, "检索按钮", Toast.LENGTH_SHORT).show();
   break;
   case R.id.addFriend:
//   Toast.makeText(this, "添加朋友", Toast.LENGTH_SHORT).show();
   break;
   case R.id.teamChart:
//   Toast.makeText(this, "群聊", Toast.LENGTH_SHORT).show();
   break;
   case R.id.look:
//   Toast.makeText(this, "扫一扫", Toast.LENGTH_SHORT).show();
   break;
   case R.id.monery:
//   Toast.makeText(this, "收款", Toast.LENGTH_SHORT).show();
   break;
   case Menu.FIRST+6:
//   Toast.makeText(this, "新增", Toast.LENGTH_SHORT).show();
   break;
   }
  Toast.makeText(this, item.getTitle(), Toast.LENGTH_SHORT).show();
  return super.onOptionsItemSelected(item);
 }
 
 //设置menu菜单的第一个图标显示在标题右上角---使用反射机制来完成
 public void setMenuOverflowAlways(){
  try {
   ViewConfiguration cOnfig= ViewConfiguration.get(this);
   Field field = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
   field.setAccessible(true);
   field.setBoolean(config, false);
  } catch (Exception e) {
   e.printStackTrace();
  }
 }
 
 //设置每个Menu显示为左图标右标题
 @Override
 public boolean onMenuOpened(int featureId, Menu menu) {
  if(featureId == Window.FEATURE_ACTION_BAR && menu != null){
   if(menu.getClass().getSimpleName().equals("MenuBuilder")){
    try {
     Method method = menu.getClass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
     method.setAccessible(true);
     method.invoke(menu, true);
    } catch (Exception e) {
     e.printStackTrace();
    } 
   }
  }
  return super.onMenuOpened(featureId, menu);
 }

}