// ViewModel class
class MainViewModel : ViewModel() {
private val _data = MutableLiveData()
val data: LiveData get() = _data
fun fetchData() {
viewModelScope.launch {
// Simulate network call
_data.value = "Data fetched!"
}
}
}
// In your Activity or Fragment
class MainActivity : AppCompatActivity() {
private lateinit var viewModel: MainViewModel
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
viewModel = ViewModelProvider(this).get(MainViewModel::class.java)
viewModel.data.observe(this, Observer { newData ->
// Update UI with new data
findViewById(R.id.textView).text = newData
})
// Fetch data when the activity is created
viewModel.fetchData()
}
}
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