[코틀린코드연습장] SnackBar

스낵바 예제 

[module, build.gradle]

implementation 'com.android.support:design:28.0.0'

[main.kt]

button.setOnClickListener {
    var snackbar = Snackbar.make(llinearLayout, "this is SnackBar", Snackbar.LENGTH_LONG)
    snackbar.show()
}
button2.setOnClickListener {
    textView4.text = "This is Color Name TextView"
    var snackbar1 = Snackbar.make(llinearLayout, "Delete Message...." , Snackbar.LENGTH_LONG)
        .setAction("UNDO", {
            var snackbar2 = Snackbar.make(llinearLayout, "Restore Message....", Snackbar.LENGTH_LONG)
            snackbar2.show()
            textView4.text = "textView"
        })
    snackbar1.show()
}

button3.setOnClickListener {
    var snackbar = Snackbar.make(llinearLayout, "This is Custom SnackBar....", Snackbar.LENGTH_LONG)
        .setAction("RETRY", {})
    snackbar.setActionTextColor(Color.RED)

    var snackbarView = snackbar.view
    var txtView = snackbarView.findViewById<TextView>(android.support.design.R.id.snackbar_text)

    txtView.setTextColor(Color.YELLOW)

    snackbar.show()
}