Android学习之Notification通知
NotificationActivity.java:
package com.demo.notification;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.NotificationCompat.Builder;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RemoteViews;
import com.demo.broadcast.R;
/**
* @ClassName: NotificationActivity
* @Description: 通知测试demo
* @author chenzheng
* @date 2014-9-5 下午2:54:14
*/
public class NotificationActivity extends Activity implements OnClickListener{
private Button btn_show_intent_act, btn_show_custom;
/** Notification构造器 */
private NotificationCompat.Builder mBuilder;
/** Notification的ID */
private int notifyId = 100;
/** Notification管理 */
private NotificationManager mNotificationManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.notification);
initService();
btn_show_intent_act = (Button) findViewById(R.id.btn_show_intent_act);
btn_show_intent_act.setOnClickListener(this);
btn_show_custom = (Button) findViewById(R.id.btn_show_custom);
btn_show_custom.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_show_intent_act:
showIntentActivityNotify();
break;
case R.id.btn_show_custom:
showCustomNotify();
break;
default:
break;
}
}
/** 显示通知栏点击跳转到指定Activity */
public void showIntentActivityNotify(){
mBuilder = new NotificationCompat.Builder(this);
mBuilder.setAutoCancel(true)//点击后让通知将消失
.setContentTitle("测试标题")
.setContentText("点击跳转")
.setContentIntent(getDefalutIntent(Notification.FLAG_AUTO_CANCEL))
.setTicker("点我")
.setWhen(System.currentTimeMillis())//通知产生的时间，会在通知信息里显示
.setPriority(Notification.PRIORITY_DEFAULT)//设置该通知优先级
.setOngoing(false)//ture，设置他为一个正在进行的通知。他们通常是用来表示一个后台任务,用户积极参与(如播放音乐)或以某种方式正在等待,因此占用设备(如一个文件下载,同步操作,主动网络连接)
.setDefaults(Notification.DEFAULT_VIBRATE)//向通知添加声音、闪灯和振动效果的最简单、最一致的方式是使用当前的用户默认设置，使用defaults属性，可以组合：
//Notification.DEFAULT_ALL Notification.DEFAULT_SOUND 添加声音 // requires VIBRATE permission
.setSmallIcon(R.drawable.ic_launcher);
//点击的意图ACTION是跳转到Intent
Intent resultIntent = new Intent(this, NotificationActivity.class);
resultIntent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,resultIntent, PendingIntent.FLAG_UPDATE_CURRENT);
mBuilder.setContentIntent(pendingIntent);
mNotificationManager.notify(notifyId, mBuilder.build());
}
/** 显示自定义通知*/
public void showCustomNotify(){
//先设定RemoteViews
RemoteViews view_custom = new RemoteViews(getPackageName(), R.layout.view_custom);
//设置对应IMAGEVIEW的ID的资源图片
view_custom.setImageViewResource(R.id.custom_icon, R.drawable.ic_launcher);
view_custom.setTextViewText(R.id.tv_custom_title, "淘宝放价");
view_custom.setTextViewText(R.id.tv_custom_content, "欢乐中秋，淘宝大放价，千万豪礼等你来拿。");
mBuilder = new Builder(this);
mBuilder.setContent(view_custom)
.setContentIntent(getDefalutIntent(Notification.FLAG_AUTO_CANCEL))
.setWhen(System.currentTimeMillis())// 通知产生的时间，会在通知信息里显示
.setTicker("有新消息")
.setPriority(Notification.PRIORITY_DEFAULT)// 设置该通知优先级
.setOngoing(false)//不是正在进行的 true为正在进行 效果和.flag一样
.setSmallIcon(R.drawable.ic_launcher);
Notification notify = mBuilder.build();
notify.contentView = view_custom;
mNotificationManager.notify(notifyId, notify);
}
/**
* 初始化要用到的系统服务
*/
private void initService() {
mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
}
/**
* @获取默认的pendingIntent,为了防止2.3及以下版本报错
* @flags属性:
* 在顶部常驻:Notification.FLAG_ONGOING_EVENT
* 点击去除： Notification.FLAG_AUTO_CANCEL
*/
public PendingIntent getDefalutIntent(int flags){
PendingIntent pendingIntent= PendingIntent.getActivity(this, 1, new Intent(), flags);
return pendingIntent;
}
}notification.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<Button
android:id="@+id/btn_show_intent_act"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="显示通知，点击跳转到指定Activity" />
<Button
android:id="@+id/btn_show_custom"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="显示自定义通知" />
</LinearLayout>view_custom.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<ImageView
android:id="@+id/custom_icon"
android:layout_width="50dip"
android:layout_height="50dip"
android:layout_alignParentLeft="true"
android:layout_margin="5dip"
android:padding="5dip"
android:src="@drawable/ic_launcher" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentTop="true"
android:layout_toRightOf="@id/custom_icon"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/tv_custom_title"
style="@style/NotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:text="title"
android:textSize="15sp" />
<TextView
android:id="@+id/tv_custom_time"
style="@style/NotificationTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:text="16.49"
android:textSize="12sp" />
</RelativeLayout>
<TextView
android:id="@+id/tv_custom_content"
style="@style/NotificationContent"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="1dip"
android:text="content"
android:textSize="12sp" />
</LinearLayout>
</RelativeLayout>添加允许震动权限：
<uses-permission android:name="android.permission.VIBRATE" />
