ОА
class DataContainer {
private val liveData = MutableLiveData<Int>( )
fun update(code: Int) {
liveData.postValue(code)
}
fun observe() {
livedata.observe
private val liveData = MutableLiveData<Int>( )
fun update(code: Int) {
liveData.postValue(code)
}
fun observe() {
livedata.observe
