22 Notification 通知栏代码
结构图：
MainActivity.java
package com.qf.day22_notification;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.view.View;
import android.widget.RemoteViews;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
// 普通的通知
public void MyClick01(View v){
//获取通知对象
NotificationCompat.Builder builder = new NotificationCompat.Builder(MainActivity.this);
//必有属性 必须要写 哪怕你不用
builder.setSmallIcon(R.drawable.image1);//图标
//其他属性
//发送通知的时间 是指显示的时间不是定时发送builder.setWhen(System.currentTimeMillis());
Bitmap bp = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
builder.setLargeIcon(bp);
builder.setContentInfo("信息");
builder.setContentTitle("标题");//标题
builder.setContentText("内容hgcdakhgflasfgldsafgldguli iueroewyurhwehfldiufhlaskjfglsadfglksFGLSdjgflasdgflahgjkfdshg;hg;efgh");//内容
Intent intent = new Intent(MainActivity.this, SecondActivity.class);
/**
*
* 延迟意图 等待你的点击
* 参数1:上下文
* 参数2:请求码
* 参数3:跳转的意图
* 参数4:标记
*/
PendingIntent pendIntent = PendingIntent.getActivity
(MainActivity.this, 100, intent, PendingIntent.FLAG_ONE_SHOT);
builder.setContentIntent(pendIntent);
//获取通知的管理者对象
NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
//使用管理者让通知展示
manager.notify(1, builder.build());
}
//大视图通知 小米显示miui系统好像有问题
public void MyClick02(View v){
NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext());
builder.setContentText("快放假了");
builder.setContentTitle("十一");
builder.setSmallIcon(R.drawable.f020);
//视图样式
NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
style.addLine("还有好多天");
style.addLine("等等就到了");
style.addLine("是啊");
style.addLine("恩");
builder.setStyle(style);
NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
manager.notify(2, builder.build());
}
//大视图通知(大图片) 小米显示miui系统好像有问题
public void MyClick03(View v){
NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext());
builder.setContentTitle("新闻");
builder.setContentText("中彩票了");
builder.setSmallIcon(R.drawable.f020);
//大图片 视图样式
NotificationCompat.BigPictureStyle style = new NotificationCompat.BigPictureStyle();
//大图片
style.bigPicture(BitmapFactory.decodeResource(getResources(), R.drawable.ccc));
style.setSummaryText("菜谱");
builder.setStyle(style);
NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
manager.notify(3, builder.build());
}
//带进度条的通知
public void MyClick04(View v){
final NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext());
builder.setContentTitle("昨天晚上下雨了");
builder.setContentText("早上起来 地干了");
builder.setSmallIcon(R.drawable.f020);
final NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
//模仿下载
new Thread(){
public void run() {
//每次下载5%
for(int i=0;i<=100;i+=5){
/**
* 设置进度
* 参数1:最大的进度
* 参数2:当前进度
* 参数3:标志 进度条的样式 false :有明确进度 true:没有明确进度
*/
builder.setProgress(100, i, false);
manager.notify(4, builder.build());
try {
Thread.sleep(500);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
//下载完展示
builder.setContentText("下载完成");
manager.notify(4, builder.build());
};
}.start();
}
//自定义通知
public void MyClick05(View v){
NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext());
builder.setContentTitle("疯狗咬人");
builder.setSmallIcon(R.drawable.ic_launcher);
//
//VIew 将xml布局转换成View对象
RemoteViews rViews = new RemoteViews(getPackageName(), R.layout.rviews_layout);
//自身的方法设置内容
rViews.setTextViewText(R.id.tv, "咬了十几个");
rViews.setImageViewResource(R.id.iv, R.drawable.f020);
builder.setContent(rViews);
NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
manager.notify(5, builder.build());
}
}
SecondActivity.java
package com.qf.day22_notification;
import android.app.Activity;
import android.app.NotificationManager;
import android.content.Context;
import android.os.Bundle;
public class SecondActivity extends Activity{
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.layout);
//获取通知的管理者对象
NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
// manager.cancel(1);//根据标识 去关闭通知
manager.cancelAll();// 关闭所有通知
}
}
activity_main.xml
<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:orientation="vertical"
tools:context=".MainActivity" >
<Button
android:onClick="MyClick01"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="普通的Notification"
/>
<Button
android:onClick="MyClick02"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="大视图Notification"
/>
<Button
android:onClick="MyClick03"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="大视图(大图片)Notification"
/>
<Button
android:onClick="MyClick04"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="带进度条Notification"
/>
<Button
android:onClick="MyClick05"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="自定义Notification"
/>
</LinearLayout>
layout.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="第二个Activity"
/>
</LinearLayout>
rviews_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="第二个Activity"
/>
</LinearLayout>
- 对应样式图：
对应按钮顺序
* 有明确进度条样式 false
无明确进度条样式true 一直滑动
