Spinner extensions Android

SpinnerExt.kt

fun AppCompatSpinner.isDefaultSelected() = this.selectedItemPosition == 0

fun AppCompatSpinner.setSelectedValue(value: String?) {
    setSelection(when (value) {
        null -> 0
        else -> adapter.getPositionOf(value, true)
    })
}

fun SpinnerAdapter.getPositionOf(value: String, ignoreCase: Boolean = true): Int {
    forEachIndexed { index, spinnerValue ->
        if (spinnerValue.equals(value, ignoreCase)) {
            return index
        }
    }
    return 0
}

inline fun SpinnerAdapter.forEachIndexed(item: (Int, String) -> Unit) {
    for (i in 0 until count) {
        item(i, getItem(i) as String)
    }
}