Kotlinでのリスナのセット

2020 Apr. 29.

import android.util.Log
import kotlinx.android.synthetic.main.activity_main.*

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

    button_test.setOnClickListener {
        button_test.text = "Button Clicked"
        Log.i("MY", "Clicked")
    }
}