data绑定 kotlin

<?xml version="1.0" encoding="utf-8"?>
<layout 
    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">


    <data>
        <import type="com.example.zzn.myapplication.Main2Activity.Action"/>
        <import type="com.example.zzn.myapplication.Person"/>
        <variable
            name="action"
            type="Action"/>
        <variable
            name="model"
            type="Person"/>
    </data>
    
    <android.support.constraint.ConstraintLayout

        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context="com.example.zzn.myapplication.Main2Activity">


        <TextView
            android:id="@+id/textView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@{model.name}"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            android:layout_marginTop="16dp"
            android:layout_marginRight="8dp"
            app:layout_constraintRight_toRightOf="parent"
            android:layout_marginEnd="8dp"/>
        <Button
            android:text="按钮"
            android:onClick="@{action.tap}"
            android:layout_width="0dp"
            android:layout_height="60dp"
            android:layout_marginTop="32dp"
            app:layout_constraintTop_toBottomOf="@+id/textView"
            android:layout_marginLeft="8dp"
            app:layout_constraintLeft_toLeftOf="parent"
            android:layout_marginRight="8dp"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintHorizontal_bias="0.502"/>
    </android.support.constraint.ConstraintLayout>
    
</layout>

public class Main2Activity : AppCompatActivity() {

    private var receiver:MyReceiver? = null
    private val mNotiName = "com.example.zzn.myapplication.MY_NOTI"
    
    //绑定事件
     inner class Action {
        
        //点击事件
        fun tap(view:View) {
            
            Toast.makeText(view.context,"发送广播",Toast.LENGTH_SHORT).show()
            val intent = Intent(this@Main2Activity.mNotiName)
            sendBroadcast(intent)
            
        }
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
//        setContentView(R.layout.activity_main2)
        
        val binding = DataBindingUtil.setContentView<ActivityMain2Binding>(this,R.layout.activity_main2)
        val person =Person()
        person.name = "zhanshan"
        person.age = "11"
        
        binding.action = Action()
        binding.model = person
        setBoardCast()
        
    }
    
    //动态广播
    fun setBoardCast() {
        
        receiver = MyReceiver()
        val filter = IntentFilter(mNotiName)
        registerReceiver(receiver,filter)
        
    }
}

//
public class Person {
    
    var name:String? = null
    var age:String? = null
}
public class MyReceiver : BroadcastReceiver() {

    override fun onReceive(context: Context, intent: Intent) {

        Toast.makeText(context, "收到广播", Toast.LENGTH_LONG).show()
    }
}