Notification消息通知自定义消息通知内容布局

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/**
 * 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();
//  }

}

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;
      }
    }
  };

}

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();
  }

}

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);
  }
}