android 入门学习笔记 NotificationManager与Notification对象的应用

我就是我 2021-09-12 03:16 214阅读 0赞

需要引入

import android.app.Notification;
    import android.app.NotificationManager;

/*声明对象变量*/
      private NotificationManager myNotiManager;
      private Spinner mySpinner;
      private ArrayAdapter<String> myAdapter;
      private static final String[] status =
      { "在线","离开","忙碌中","马上回来","离线" };

/* 初始化对象 */
        myNotiManager=
          (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
        mySpinner=(Spinner)findViewById(R.id.mySpinner);
        myAdapter=new ArrayAdapter<String>(this,
                  android.R.layout.simple_spinner_item,status);
        /* 应用myspinner_dropdown自定义下拉菜单模式 */
        myAdapter.setDropDownViewResource(R.layout.myspinner_dropdown);
        /* 将ArrayAdapter添加Spinner对象中 */
        mySpinner.setAdapter(myAdapter);
        
        /* 将mySpinner添加OnItemSelectedListener */
        mySpinner.setOnItemSelectedListener(
          new Spinner.OnItemSelectedListener()
        {
          @Override
          public void onItemSelected(AdapterView
       arg0,View arg1,
                                     int arg2,long arg3)
          {
            /* 依照选择的item来判断要发哪一个notification */
            if(status[arg2].equals("在线"))
            {
              setNotiType(R.drawable.msn,"在线");
            }
            else if(status[arg2].equals("离开"))
            {
              setNotiType(R.drawable.away,"离开");
            }
            else if(status[arg2].equals("忙碌中"))
            {
              setNotiType(R.drawable.busy,"忙碌中");
            }
            else if(status[arg2].equals("马上回来"))
            {
              setNotiType(R.drawable.min,"马上回来");
            }
            else
            {
              setNotiType(R.drawable.offine,"离线");
            }
          }
    
          @Override
          public void onNothingSelected(AdapterView
       arg0)
          {
          }
        });

/* 发出Notification的method */
      private void setNotiType(int iconId, String text)
      {
        /* 创建新的Intent，作为点击Notification留言条时，
         * 会运行的Activity */ 
        Intent notifyIntent=new Intent(this,EX05_08_1.class);  
        notifyIntent.setFlags( Intent.FLAG_ACTIVITY_NEW_TASK);
        /* 创建PendingIntent作为设置递延运行的Activity */ 
        PendingIntent appIntent=PendingIntent.getActivity(EX05_08.this,
                                0,notifyIntent,0); 
    
        /* 创建Notication，并设置相关参数 */ 
        Notification myNoti=new Notification();
        /* 设置statusbar显示的icon */
        myNoti.icon=iconId;
        /* 设置statusbar显示的文字信息 */
        myNoti.tickerText=text;
        /* 设置notification发生时同时发出默认声音 */
        myNoti.defaults=Notification.DEFAULT_SOUND;
        /* 设置Notification留言条的参数 */
        myNoti.setLatestEventInfo(EX05_08.this,"MSN登录状态",
                                  text,appIntent);
        /* 送出Notification */
        myNotiManager.notify(0,myNoti);
      }