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自定义视图 样板

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    <?xml version="1.0" encoding="utf-8"?>
    <androidx.constraintlayout.widget.ConstraintLayout 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="138dp">
    <Button
        android:id="@+id/activity_teleport_btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:text="Button"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.477" />
    <ImageView
        android:id="@+id/activity_teleport_imageview"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.466"
        android:src="@drawable/ic_launcher_foreground" />
    <TextView
        android:id="@+id/activity_teleport_title_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="14dp"
        android:layout_marginTop="24dp"
        android:text="TextView"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.03"
        app:layout_constraintStart_toEndOf="@+id/activity_teleport_imageview"
        app:layout_constraintTop_toTopOf="parent" />
    <TextView
        android:id="@+id/activity_teleport_content_text"
        android:layout_width="138dp"
        android:layout_height="31dp"
        android:layout_marginStart="22dp"
        android:layout_marginBottom="44dp"
        android:text="TextView"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toEndOf="@+id/activity_teleport_imageview" />
    </androidx.constraintlayout.widget.ConstraintLayout>

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    package com.demonviglu.demonapp.ui.component
    import android.content.Context
    import android.util.AttributeSet
    import android.view.LayoutInflater
    import android.widget.Button
    import android.widget.TextView
    import androidx.constraintlayout.widget.ConstraintLayout
    import com.demonviglu.demonapp.R
    class ActivityTeleport:ConstraintLayout {
    constructor(mcontext: Context):super(mcontext){
        initView(this.context)
    }
    constructor(mcontext: Context,mattri:AttributeSet):super(mcontext,mattri){
        initView(this.context)
    }
    constructor(mcontext: Context,mattri:AttributeSet,defStyAttri:Int):super(mcontext,mattri,defStyAttri){
        initView(this.context)
    }
    private fun initView(context: Context){
        val view = LayoutInflater.from(context).inflate(R.layout.component_activity_teleport_layout,this,true)
        btn = view.findViewById(R.id.activity_teleport_btn)
        titleText = view.findViewById(R.id.activity_teleport_title_text)
        contentText = view.findViewById(R.id.activity_teleport_content_text)
        awake()
    }
    lateinit var btn_on_click_listener : ()->Unit
    lateinit var btn:Button
    lateinit var titleText:TextView
    lateinit var contentText:TextView
    public fun setOnButtonClickListener(callback:()->Unit){
        btn_on_click_listener = callback;
    }
    public fun setTitleText(s:String){
        titleText.text = s
    }
    public fun setContentText(s:String){
        contentText.text = s
    }
    public fun setButtonText(s:String){
        btn.text = s
    }
    private fun awake(){
        btn.setOnClickListener{
            btn_on_click_listener.invoke()
        }
    }
    }

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    val ly : LinearLayout = findViewById(R.id.activity_teleport_listview)
    for(i in 0..5){
        val at = ActivityTeleport(this)
        at.setTitleText(i.toString())
        at.setOnButtonClickListener {
            Toast.makeText(this,"Hello",Toast.LENGTH_SHORT).show()
        }
        ly.addView(at)
    }