自定义的Notification

要创建一个自定义的Notification,可以使用RemoteViews。要定义自己的扩展消息,首先要初始化一个RemoteViews对象,然后将它传递给Notification contentView字段,再把PendingIntent传递给contentIntent字段。以下示例代码是完整步骤: 

 

//1、创建一个自定义的消息布局 view.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"> 

<ImageView android:id="@+id/image" android:layout_width="wrap_content" 

android:layout_height="fill_parent" android:layout_marginRight="10dp" /> 

<TextView android:id="@+id/text" android:layout_width="wrap_content" 

android:layout_height="fill_parent" android:textColor="#000" /> 

</LinearLayout> 

//2、在程序代码中使用RemoteViews的方法来定义image和text。然后把RemoteViews对象传到contentView字段 

RemoteViews contentView = new RemoteViews(getPackageName(),R.layout.view); 

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; 

//3、为Notification的contentIntent字段定义一个Intent(注意,使用自定义View不需要setLatestEventInfo()方法) 

Intent notificationIntent = new Intent(this,Main.class); 

PendingIntent contentIntent = PendingIntent.getActivity(this,0,notificationIntent,0); 

notification.contentIntent = contentIntent; 

//4、发送通知 

mNotificationManager.notify(2,notification); 

//以下是全部示例代码 

//创建一个NotificationManager的引用 

String ns = Context.NOTIFICATION_SERVICE; 

NotificationManager mNotificationManager = (NotificationManager)getSystemService(ns); 

//定义Notification的各种属性 

int icon = R.drawable.icon; //通知图标 

CharSequence tickerText = "Hello"; //状态栏显示的通知文本提示 

long when = System.currentTimeMillis(); //通知产生的时间,会在通知信息里显示 

//用上面的属性初始化Nofification 

Notification notification = new Notification(icon,tickerText,when); 

RemoteViews contentView = new RemoteViews(getPackageName(),R.layout.view); 

contentView.setImageViewResource(R.id.image, R.drawable.iconempty); 

contentView.setTextViewText(R.id.text, "Hello,this is JC"); 

notification.contentView = contentView; 

Intent notificationIntent = new Intent(this,Main.class); 

PendingIntent contentIntent = PendingIntent.getActivity(this,0,notificationIntent,0); 

notification.contentIntent = contentIntent; 

//把Notification传递给NotificationManager 

mNotificationManager.notify(0,notification);

 

来自:http://blog.csdn.net/iamfafa/article/details/6298011

posted @ 2015-03-12 11:16  mhx_pyw  阅读(192)  评论(0编辑  收藏  举报