1
fun incrementCount(view: View) {
handleCounter(1)
}
<Button
.....
android:onClick="incrementCount" />
2
<Button
.....
android:id="@+id/btn_increment" />
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
initView()
}
private fun initView() {
val btn_increment: Button = findViewById(R.id.btn_increment)
btn_increment.setOnClickListener { btn_increment() }
}
private fun btn_increment() { // 参数不需要加入 view: View
handleCounter(1)
}