android 通知栏

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1. 声明通知管理器  

//通知管理器      private NotificationManager nm;
2. 通知显示内容

 //通知显示内容      private PendingIntent pd;  

3. 获取对象

nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);                    Intent intent = new Intent(this,MainActivity.class);                    pd = PendingIntent.getActivity(MainActivity.this, 0, intent, 0);  

4. 事件监听器

OnClickListener onclick = new OnClickListener() {                    //BASE Notification ID          private int Notification_ID_BASE = 110;                    private Notification baseNF;                    //Notification ID          private int Notification_ID_MEDIA = 119;                    private Notification mediaNF;                    @Override          public void onClick(View v) {              switch(v.getId()) {                  case R.id.le10bt01:                      //新建状态栏通知                      baseNF = new Notification();                                             //设置通知在状态栏显示的图标                      baseNF.icon = R.drawable.icon;                                            //通知时在状态栏显示的内容                      baseNF.tickerText = "You clicked BaseNF!";                                            //通知的默认参数 DEFAULT_SOUND, DEFAULT_VIBRATE, DEFAULT_LIGHTS.                       //如果要全部采用默认值, 用 DEFAULT_ALL.                      //此处采用默认声音                      baseNF.defaults |= Notification.DEFAULT_SOUND;                      baseNF.defaults |= Notification.DEFAULT_VIBRATE;                      baseNF.defaults |= Notification.DEFAULT_LIGHTS;                                            //让声音、振动无限循环,直到用户响应                      baseNF.flags |= Notification.FLAG_INSISTENT;                                            //通知被点击后,自动消失                      baseNF.flags |= Notification.FLAG_AUTO_CANCEL;                                            //点击'Clear'时,不清楚该通知(QQ的通知无法清除,就是用的这个)                      baseNF.flags |= Notification.FLAG_NO_CLEAR;                                                                  //第二个参数 :下拉状态栏时显示的消息标题 expanded message title                      //第三个参数:下拉状态栏时显示的消息内容 expanded message text                      //第四个参数:点击该通知时执行页面跳转                      baseNF.setLatestEventInfo(MainActivity.this, "Title01", "Content01", pd);                                            //发出状态栏通知                      //The first parameter is the unique ID for the Notification                       // and the second is the Notification object.                      nm.notify(Notification_ID_BASE, baseNF);                                            break;                                        case R.id.le10bt02:                      //更新通知                      //比如状态栏提示有一条新短信,还没来得及查看,又来一条新短信的提示。                      //此时采用更新原来通知的方式比较。                      //(再重新发一个通知也可以,但是这样会造成通知的混乱,而且显示多个通知给用户,对用户也不友好)                      baseNF.setLatestEventInfo(MainActivity.this, "Title02", "Content02", pd);                      nm.notify(Notification_ID_BASE, baseNF);                      break;                                        case R.id.le10bt03:                                            //清除 baseNF                      nm.cancel(Notification_ID_BASE);                      break;                                        case R.id.le10bt04:                      mediaNF = new Notification();                      mediaNF.icon = R.drawable.icon;                      mediaNF.tickerText = "You clicked MediaNF!";                                            //自定义声音                      mediaNF.sound = Uri.withAppendedPath(Audio.Media.INTERNAL_CONTENT_URI, "6");                                            //通知时发出的振动                      //第一个参数: 振动前等待的时间                      //第二个参数: 第一次振动的时长、以此类推                      long[] vir = {0,100,200,300};                      mediaNF.vibrate = vir;                                            mediaNF.setLatestEventInfo(MainActivity.this, "Title03", "Content03", pd);                                            nm.notify(Notification_ID_MEDIA, mediaNF);                      break;                                        case R.id.le10bt05:                      //清除 mediaNF                      nm.cancel(Notification_ID_MEDIA);                      break;                                        case R.id.le10bt06:                      nm.cancelAll();                      break;                                        case R.id.le10bt07:                      //自定义下拉视图,比如下载软件时,显示的进度条。                      Notification notification = new Notification();                                            notification.icon = R.drawable.icon;                      notification.tickerText = "Custom!";                                            RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.custom);                      contentView.setImageViewResource(R.id.image, R.drawable.icon);                      contentView.setTextViewText(R.id.text, "Hello, this message is in a custom expanded view");                      notification.contentView = contentView;                                            //使用自定义下拉视图时,不需要再调用setLatestEventInfo()方法                      //但是必须定义 contentIntent                      notification.contentIntent = pd;                                            nm.notify(3, notification);                      break;              }          }      };



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