Android kotlin 实现仿蜜源TextView单行内容填满超出后循环滚动功能

1、实现效果

2、源码实现
MainActivity.kt

package com.example.myapplication3

import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_main.tv_marquee

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        tv_marquee.isSelected = true
    }
}

activity_main.kt

<RelativeLayout 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_marquee"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/shape_indicator_radius_white"
        android:ellipsize="marquee"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:marqueeRepeatLimit="marquee_forever"
        android:singleLine="true"
        android:text="Android kotlin TextView单行内容填满超出后循环滚动滚动滚动滚动"/>
RelativeLayout>