package com.mobile.seekbartest import android.os.Bundle import android.widget.SeekBar import androidx.appcompat.app.AppCompatActivity import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) btn1.setOnClickListener { view -> tv1.te..
