<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:title="發起群聊"
android:id="@+id/mymenu_qunliao"></item>
<item android:title="添加朋友"
android:id="@+id/mymenu_addfriend"></item>
<item android:title="掃一掃"
android:id="@+id/mymenu_saoyisao"></item>
<item android:title="收付款"
android:id="@+id/mymenu_shoufukuan"></item>
<item android:title="幫助與反饋"
android:id="@+id/mymenu_help"></item>
</menu>package com.example.a1108;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initweight();
}
public boolean onCreateOptionsMenu(Menu menu)
{
MenuInflater mi=getMenuInflater();/*把檔案變成Menu物件*/
mi.inflate(R.menu.mymenu,menu);
return true;
}
public boolean onOptionsItemSelected(MenuItem Item)
{
Toast toast;
String info="";
switch (Item.getItemId())
{
case R.id.mymenu_qunliao:
info="發起群聊";
break;
case R.id.mymenu_addfriend:
info="添加朋友";
break;
case R.id.mymenu_saoyisao:
info="掃一掃";
break;
case R.id.mymenu_shoufukuan:
info="收付款";
break;
case R.id.mymenu_help:
info="幫助與反饋";
break;
default:
return super.onOptionsItemSelected(Item);
}
toast= Toast.makeText(MainActivity.this,info,Toast.LENGTH_LONG);
toast.show();
return true;
}
void initweight(){
}
}
轉載請註明出處，本文鏈接：https://www.uj5u.com/yidong/355763.html
標籤：其他
下一篇：檢查手機是否安裝某一app