Android開發菜單以及子功能表

標籤：set   get   div   idg   submenu   ase   view   span   activity   

package com.example.androidtest;import android.app.Activity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.SubMenu;import android.widget.Toast;public class MainActivity extends Activity{    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);            }        @Override    public boolean onCreateOptionsMenu(Menu menu){        SubMenu file = menu.addSubMenu("檔案");        SubMenu edit = menu.addSubMenu("編輯");        file.add(1,1,1,"建立");        file.add(1,2,1,"開啟");        file.add(1,3,1,"儲存");        file.setHeaderTitle("檔案操作");        file.setHeaderIcon(R.drawable.img1);        edit.add(2,1,1,"複製");        edit.add(2,2,1,"粘貼");        edit.add(2,3,1,"剪下");        edit.setHeaderTitle("檔案操作");        edit.setHeaderIcon(R.drawable.img1);        return true;            }        @Override    public boolean onOptionsItemSelected(MenuItem item){        if(item.getGroupId()==1){            switch(item.getItemId()){            case 1:                Toast.makeText(MainActivity.this, "點擊了建立", Toast.LENGTH_SHORT).show();                break;            case 2:                Toast.makeText(MainActivity.this, "點擊了開啟", Toast.LENGTH_SHORT).show();                break;            case 3:                Toast.makeText(MainActivity.this, "點擊了儲存", Toast.LENGTH_SHORT).show();                break;            }        }else if(item.getGroupId()==2){            switch(item.getItemId()){            case 1:                Toast.makeText(MainActivity.this, "點擊了複製", Toast.LENGTH_SHORT).show();                break;            case 2:                Toast.makeText(MainActivity.this, "點擊了粘貼", Toast.LENGTH_SHORT).show();                break;            case 3:                Toast.makeText(MainActivity.this, "點擊了剪下", Toast.LENGTH_SHORT).show();                break;            }        }        return super.onOptionsItemSelected(item);    }}

 

Android開發菜單以及子功能表