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