android的几种“通报”方式简单实现（Notification&NotificationManager）

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    android:orientation="vertical"    tools:context=".MainActivity" >       <Button            android:id="@+id/btn_01"           android:layout_width="match_parent"           android:layout_height="wrap_content"           android:text="3.0以前版本的notification，用新的吧"           android:onClick="click"           />       <Button            android:id="@+id/btn_02"           android:layout_width="match_parent"           android:layout_height="wrap_content"           android:text="大视图文本通知"           android:onClick="click"           />              <Button            android:id="@+id/btn_03"           android:layout_width="match_parent"           android:layout_height="wrap_content"           android:text="大视图图片通知"           android:onClick="click"           />              <Button            android:id="@+id/btn_04"           android:layout_width="match_parent"           android:layout_height="wrap_content"           android:text="进度条通知"           android:onClick="click"           />       </LinearLayout>

  1 package com.xin.day_12_notificationdemo1;  2   3 import java.util.Timer;  4 import java.util.TimerTask;  5   6 import android.app.Activity;  7 import android.app.Notification;  8 import android.app.NotificationManager;  9 import android.app.PendingIntent; 10 import android.content.Intent; 11 import android.graphics.BitmapFactory; 12 import android.os.Bundle; 13 import android.support.v4.app.NotificationCompat; 14 import android.support.v4.app.NotificationCompat.BigPictureStyle; 15 import android.support.v4.app.NotificationCompat.BigTextStyle; 16 import android.support.v4.app.NotificationCompat.Builder; 17 import android.util.Log; 18 import android.view.View; 19  20 public class MainActivity extends Activity { 21  22     //通知的唯一标识，在一个应用程序中不同的通知要区别开来 23     private static final int NO1 = 0x1001; 24     private static final int NO2 = 0x1002; 25     private static final int NO3 = 0x1003; 26     private static final int NO4 = 0x1004; 27     //进度条要用 28     private int progress = 1; 29  30     @Override 31     protected void onCreate(Bundle savedInstanceState) { 32         super.onCreate(savedInstanceState); 33         setContentView(R.layout.activity_main); 34     } 35  36     //click方法，和xml文件中的各个按钮的onClick属性的值要一致 37     public void click(View view) { 38         //创建NotificationManager 39         final NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); 40         //用switch语句控制四个控件 41         switch (view.getId()) { 42         case R.id.btn_01: { 43             Notification notification = new Notification(); 44             notification.icon = R.drawable.ic_launcher; 45             notification.tickerText = "有消息了。。。"; 46             Intent intent = new Intent(this, MainActivity.class); 47             PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, 48                     intent, PendingIntent.FLAG_UPDATE_CURRENT); 49             notification.setLatestEventInfo(this, "3.0以前的通知", "试试而已", pendingIntent); 50             notification.when = System.currentTimeMillis(); 51             notification.defaults = Notification.DEFAULT_ALL; 52             notification.flags = Notification.FLAG_AUTO_CANCEL; 53             notification.number = 1; 54             notification.vibrate = new long[]{0, 4000}; 55             manager.notify(NO1, notification); 56         } 57         break; 58         case R.id.btn_02:{ 59             //大视图文本通知 60             //创建消息构造器,在扩展包 61             NotificationCompat.Builder builder = new NotificationCompat.Builder(this); 62             //设置当有消息是的提示，图标和提示文字 63             builder.setSmallIcon(R.drawable.ic_launcher).setTicker("有新消息了"); 64             //需要样式 65             BigTextStyle style = new BigTextStyle(); 66             style.setBigContentTitle("上课通知");//通知的标题 67             style.bigText("今天下午要在综B303上jsp");//通知的文本内容 68             //大视图文本具体内容 69             style.setSummaryText("这是正常的课程安排，请各位同学按时上课"); 70             builder.setStyle(style); 71             //显示消息到达的时间，这里设置当前时间 72             builder.setWhen(System.currentTimeMillis()); 73             //获取一个通知对象 74             Notification notification = builder.build(); 75             notification.flags = Notification.FLAG_AUTO_CANCEL; 76             //发送(显示)通知 77             //notify()第一个参数id An identifier for this notification unique within your application 78             //get?意思说，这个通知在你的应用程序中唯一的标识符 79             manager.notify(NO2, notification); 80         } 81         break; 82          83         case R.id.btn_03:{ 84             //大视图图片通知 85             NotificationCompat.Builder builderPic = new Builder(this); 86             builderPic.setSmallIcon(R.drawable.ic_launcher).setTicker("新浪体育提醒"); 87             //进行设置 88             BigPictureStyle pictureStyle = new BigPictureStyle(); 89             pictureStyle.setBigContentTitle("新浪体育 快船VS骑士 "); 90             pictureStyle.bigPicture(BitmapFactory.decodeResource(getResources(), R.drawable.ic_game)); 91             pictureStyle.setSummaryText(" 快船VS骑士 天王山之战！！！");//不要在意文字 92             //设置样式 93             builderPic.setStyle(pictureStyle); 94             //设置显示的时间 95             builderPic.setWhen(System.currentTimeMillis()); 96             Notification notification = pictureStyle.build(); 97             notification.flags = Notification.FLAG_AUTO_CANCEL; 98             // 99             manager.notify(NO3, notification);100         }101         break;102         103         case R.id.btn_04:{104             //进度条通知105             final NotificationCompat.Builder builderProgress = new NotificationCompat.Builder(this);106             builderProgress.setSmallIcon(R.drawable.ic_launcher).setTicker("进度条通知");107             builderProgress.setProgress(100, progress, false);108             final Notification notification = builderProgress.build();109             //发送一个通知110             manager.notify(NO4, notification);111             //创建一个计时器112             Timer timer = new Timer();113             timer.schedule(new TimerTask(){114 115                 @Override116                 public void run() {117                     Log.i("progress",progress+"");118                     while(progress <= 100){119                         progress ++;120                         try {121                             Thread.sleep(300);122                         } catch (InterruptedException e) {123                             // TODO Auto-generated catch block124                             e.printStackTrace();125                         }126                         //更新进度条127                         builderProgress.setProgress(100, progress, false);128                         //再次通知129                         manager.notify(NO4, builderProgress.build());130                     }131                     //计时器退出132                     this.cancel();133                     //进度条退出134                     manager.cancel(NO4);135                     return;//结束方法136                 }137                 138             }, 0);139         }140         break;141         142         default:143             break;144         }145     }146 147 }