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！！！
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
再长的路，一步步也能走完，再短的路，不迈开双脚也无法到达。
