电子商务网站建设评估的指标有哪些?/赣州seo优化

有序广播：按照接收者的优先级接收，只有一个广播接收者能接收信息，在此广播接收者的逻辑执行完毕后，才会继续传递。

abortBroadcast（）；终止广播

有序广播功能概述：

 广播类型：

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".MainActivity"><Buttonandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:id="@+id/btn"android:text="发送有序广播"/></LinearLayout>

MainActivity.java

package com.example.myapplication;import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;public class MainActivity extends AppCompatActivity {MyReceiverOne one ;MyReceiverTow two;MyReceiverThree three;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);registerReceiver();Button button =findViewById(R.id.btn);button.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {Intent intent=new Intent();intent.setAction("Intercept_Stitch");sendOrderedBroadcast(intent,null);}});}private void registerReceiver() {one=new MyReceiverOne();IntentFilter filter1=new IntentFilter();filter1.setPriority(1000);filter1.addAction("Intercept_Stitch");registerReceiver(one,filter1);two=new MyReceiverTow();IntentFilter filter2=new IntentFilter();filter2.setPriority(900);filter2.addAction("Intercept_Stitch");registerReceiver(two,filter2);three=new MyReceiverThree();IntentFilter filter3=new IntentFilter();filter3.setPriority(600);filter3.addAction("Intercept_Stitch");registerReceiver(three,filter3);}}

MyReceiverOne

package com.example.myapplication;import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;class MyReceiverOne extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {Log.i("test","自定义的广播接收者One，接受到了广播事件");}
}

MyRiverTwo

package com.example.myapplication;import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;class MyReceiverTow extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {Log.i("test","自定义的广播接收者Two，接受到了广播事件");}
}

MyReceiverThree

package com.example.myapplication;import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;class MyReceiverThree extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {Log.i("test","自定义的广播接收者Three，接受到了广播事件");}
}