MainActivity.kt

package com.saishaddai.bwq

import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.view.animation.AnimationUtils
import android.widget.TextView

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val bounceAnimation = AnimationUtils.loadAnimation(this, R.anim.bounce_animation)

        val textViewToBounce = findViewById<TextView>(R.id.textViewToBounce)
        textViewToBounce.setOnClickListener {
            textViewToBounce.startAnimation(bounceAnimation)
        }
    }

}