Notification消息通知 自定义消息通知内容布局

具体操作：自定义消息通知内容布局；点击界面中心的“点击发送消息”textview控件，模拟发送通知消息，通知栏接收消息，点击几次则发送几次，点击通知栏消息，跳转到详情界面。

1.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:gravity="center"
  tools:context=".mainactivity">

  <textview
    android:id="@+id/tv_show"
    android:text="点击发送消息"
    android:textsize="24sp"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"/>

</linearlayout>

2.layout_item.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="match_parent" >

  <imageview
    android:id="@+id/imageview1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignparentleft="true"
    android:layout_alignparenttop="true"
    android:src="@mipmap/ic_launcher" />

  <textview
    android:id="@+id/textview1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginleft="18dp"
    android:layout_torightof="@+id/imageview1"
    android:text="textview" />

  <textview
    android:id="@+id/textview2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignleft="@+id/textview1"
    android:layout_below="@+id/textview1"
    android:layout_margintop="15dp"
    android:text="textview" />

  <textview
    android:id="@+id/textview3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/textview1"
    android:layout_marginleft="54dp"
    android:layout_torightof="@+id/textview2"
    android:text="textview" />

  <textview
    android:id="@+id/textview4"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignparentright="true"
    android:layout_below="@+id/textview1"
    android:text="textview" />

</relativelayout>

3.activity_detail.xml：

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
       android:orientation="vertical"
       android:layout_width="match_parent"
       android:layout_height="match_parent">


  <textview
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="new text"
    android:id="@+id/name"
    android:textsize="18sp"
    android:layout_gravity="center_horizontal"/>

  <textview
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="new text"
    android:id="@+id/price"
    android:textsize="18sp"
    android:layout_gravity="center_horizontal"/>

  <textview
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="new text"
    android:id="@+id/detail"
    android:textsize="18sp"
    android:layout_gravity="center_horizontal"/>
</linearlayout>

4.singletonf类：

/**
 * 用于存储消息数目
 * created by admin on 2017/9/4.
 */

public class singletonf{

  private int info_number=0;

  private static class singletonholder {
    /**
     * 单例对象实例
     */
    static final singletonf instance = new singletonf();
  }

  public static singletonf getinstance() {
    return singletonholder.instance;
  }

  /**
  * private的构造函数用于避免外界直接使用new来实例化对象
  */
  private singletonf() {}

  public int getinfo_number() {
    return info_number;
  }

  public void setinfo_number(int info_number) {
    this.info_number = info_number;
  }

//  /**
//   * 若singletonf implements serializable则必须实现readresolve方法
//   * readresolve方法应对单例对象被序列化时候
//   */
//  private object readresolve() {
//    return getinstance();
//  }

}

5.mybroadcastreceiver类：

import java.text.simpledateformat;
import java.util.date;
import android.app.notification;
import android.app.notificationmanager;
import android.app.pendingintent;
import android.content.broadcastreceiver;
import android.content.context;
import android.content.intent;
import android.os.handler;
import android.os.message;
import android.support.v4.app.notificationcompat;
import android.util.log;
import android.widget.remoteviews;

public class mybroadcastreceiver extends broadcastreceiver {

  private singletonf singletonf;
  private context context1;

  @override
  public void onreceive(context context, intent intent) {
    this.context1 = context;
//   if (intent.getstringextra("info").equals("广播发送了")) {
//     log.i("静态广播：", "广播我已经接受了");
//   }
    message message = handler.obtainmessage();
    message.what = 0;
    handler.sendmessage(message);
  }

  private handler handler = new handler() {
    @override
    public void handlemessage(message msg) {
      switch (msg.what) {
        case 0:
          singletonf = singletonf.getinstance();
          int first = singletonf.getinfo_number();
          first++;
          date nowtime = new date(system.currenttimemillis());
          simpledateformat sdformatter = new simpledateformat("hh:mm");
          string retstrformatnowdate = sdformatter.format(nowtime);
          singletonf.setinfo_number( first);

          remoteviews contentviews = new remoteviews(context1.getpackagename(), r.layout.layout_item);
          // 通过控件的id设置属性
          contentviews.setimageviewresource(r.id.imageview1, r.mipmap.ic_launcher_round);
          contentviews.settextviewtext(r.id.textview1, "消息标题");
          contentviews.settextviewtext(r.id.textview2, "消息内容");
          contentviews.settextviewtext(r.id.textview3, " (" + first + "条新消息)");
          contentviews.settextviewtext(r.id.textview4, "" + retstrformatnowdate);
          // 点击通知栏跳转的activity
          intent intent = new intent(context1, actdetail.class);
          pendingintent pendingintent = pendingintent.getactivity(context1, 0, intent,
              pendingintent.flag_cancel_current);

          notificationcompat.builder mbuilder = new notificationcompat.builder(context1)
              .setsmallicon(r.mipmap.ic_launcher_round).setticker("new message");
          // 自动管理通知栏消息
          mbuilder.setautocancel(true);
          mbuilder.setcontentintent(pendingintent);
          /// 自定义布局
          mbuilder.setcontent(contentviews);
          // 使用默认提示音
          mbuilder.setdefaults(notification.default_all);
          notificationmanager mnotificationmanager = (notificationmanager) context1
              .getsystemservice(context1.notification_service);
          // notify(int id, notification notification)若id为同一个值，则通知栏只会显示一行，并不停更新此消息内容
          // 若为类似uuid.randomuuid().hashcode()这样不同的唯一标识符，则有几条消息通知栏就显示几行
          mnotificationmanager.notify(1, mbuilder.build());

          break;
        default:
          break;
      }
    }
  };

}

6.mainactivity类：

import android.content.intent;
import android.support.v7.app.appcompatactivity;
import android.os.bundle;
import android.view.view;
import android.widget.textview;

public class mainactivity extends appcompatactivity {

  private textview tv_show;
  private int btn_number = 0;

  @override
  protected void oncreate(bundle savedinstancestate) {
    super.oncreate(savedinstancestate);
    setcontentview(r.layout.activity_main);

    tv_show = (textview) this.findviewbyid( r.id.tv_show);
    tv_show.setonclicklistener(new view.onclicklistener() {
      @override
      public void onclick(view view) {
        shownotify();
        btn_number++;
        tv_show.settext("发送了" + btn_number + "次广播");
      }
    });
  }

  private void shownotify() {
    intent intent = new intent();
    intent.setaction("massage_notification");
//    intent.putextra("info", "广播发送了");
    sendbroadcast(intent);
  }

  @override
  protected void onstop() {
    btn_number = 0;
    tv_show.settext("发送了" + btn_number + "次广播");
    super.onstop();
  }

  @override
  protected void onpause() {
    btn_number = 0;
    tv_show.settext("发送了" + btn_number + "次广播");
    super.onpause();
  }

  @override
  protected void ondestroy() {
    btn_number = 0;
    super.ondestroy();
  }

}

7.actdetail类：

import android.app.notificationmanager;
import android.content.context;
import android.os.bundle;
import android.support.annotation.nullable;
import android.support.v7.app.appcompatactivity;

/**
 * created by admin on 2017/9/4.
 */

public class actdetail extends appcompatactivity{

  notificationmanager notificationmanager;
  singletonf singletonf;

  @override
  protected void oncreate(@nullable bundle savedinstancestate) {
    super.oncreate(savedinstancestate);
    setcontentview(r.layout.activity_detail);

    singletonf = singletonf.getinstance();
    notificationmanager = (notificationmanager) getsystemservice(context.notification_service);
    notificationmanager.cancel(1);
    singletonf.setinfo_number(0);
  }
}

没找到原创作者，所以也不知道来自何处，只有等以后知道原创作者后再补上来源网址！！！

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