Android_notification通知

MainActivity.java

package com.android.notification.activity;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {
   
	private Button sendButton;
	
	
	private Button openAlertButton;
	
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        sendButton=  (Button) this.findViewById(R.id.sendButton);
        openAlertButton= (Button) this.findViewById(R.id.openAlertButton);
        
        sendButton.setOnClickListener(new View.OnClickListener() {
			
			public void onClick(View v) {
				// 如何发送通知?
				
				//1. 获取通知管理器
			   NotificationManager notificationManager = (NotificationManager) MainActivity.this.getSystemService(Context.NOTIFICATION_SERVICE);
			   
			   //2.创建一个通知
			   //  int icon=android.R.drawable.ic_menu_call;
			   int icon=R.drawable.yyc;
			   long when=System.currentTimeMillis();//android 操作系统时间
			   Notification notification=new Notification(icon, null, when);
			   
			   // 3.发送通知
			   String contentTitle="开会通知";
			   String contentText="下午14点开会";
			   Intent intent=new Intent(MainActivity.this, OtherActivity.class);
			   // intent携带参数
			   intent.putExtra("contentTitle", contentTitle);
			   intent.putExtra("contentText", contentText);
			   PendingIntent  contentIntent = PendingIntent.getActivity(MainActivity.this, 1, intent, PendingIntent.FLAG_UPDATE_CURRENT) ;
			   notification.setLatestEventInfo(MainActivity.this, contentTitle, contentText, contentIntent);
			   notificationManager.notify(0, notification);//向操作系统发送此通知
			}
		});
        
        openAlertButton.setOnClickListener(new View.OnClickListener() {
			
			public void onClick(View v) {
				
				   new AlertDialog.Builder(MainActivity.this).setTitle("信息提示").setMessage("确定删除吗?")
				   .setPositiveButton("确定", new DialogInterface.OnClickListener() {
				
					public void onClick(DialogInterface dialog, int which) {
						Toast.makeText(MainActivity.this, "确定", Toast.LENGTH_SHORT).show();
					}
				}).setNegativeButton("取消", new DialogInterface.OnClickListener() {
				
					public void onClick(DialogInterface dialog, int which) {
						Toast.makeText(MainActivity.this, "取消", Toast.LENGTH_SHORT).show();
					}
				})
				.setCancelable(false)
				.show();
			}
		});
    }
}

OtherActivity.java

package com.android.notification.activity;

import android.app.Activity;
import android.app.NotificationManager;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;

public class OtherActivity extends Activity {

	
	protected void onCreate(Bundle savedInstanceState) {
		// 加载 主窗口
		super.onCreate(savedInstanceState);
		this.setContentView(R.layout.other);
		
	    Intent intent =	this.getIntent();
	    //获取intent参数内容
	    String contentTitle=intent.getStringExtra("contentTitle");
	    String contentText=intent.getStringExtra("contentText");
	    
	   TextView resultTextView = (TextView) this.findViewById(R.id.resultTextView);
	   
	   resultTextView.setText("标题:"+contentTitle+"\n"+"内容:"+contentText);
	   
//	 NotificationManager notificationManager=  (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
	
//	 notificationManager.cancel(0);
	}
} 

AndroidManifest.xml需要配置一句

<activity
       android:name="OtherActivity" android:label="other界面"
     />

string.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello World, MainActivity!</string>
    <string name="app_name">通知</string>
    
    <string name="sendNotification">发送通知</string>
    <string name="openAlert">打开对话框</string>
</resources>

other.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">
  
  <TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="test"
    android:id="@+id/resultTextView"
  />
</LinearLayout>

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
   <Button
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:text="@string/sendNotification"
     android:id="@+id/sendButton"
   />
  <Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/openAlert"
    android:id="@+id/openAlertButton"
  />

</LinearLayout>