[Android] seekbar

 seekbar: 게이지바

 

activity_main.xml

SeekBar와 TextView 추가

 

MainActivity

class MainActivity : AppCompatActivity() {


    @RequiresApi(Build.VERSION_CODES.O)
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val seekBar = findViewById<SeekBar>(R.id.seekBar)
        val textView = findViewById<TextView>(R.id.textView)

        seekBar.max  = 1000
        seekBar.min = 10


        seekBar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener{
            override fun onProgressChanged(p0: SeekBar?, progress: Int, p2: Boolean) {
                textView.text = "$progress"
            }

            override fun onStartTrackingTouch(p0: SeekBar?) {
            }

            override fun onStopTrackingTouch(p0: SeekBar?) {
            }
        })
    }
}