LiveData<String> data = new MutableLiveData<>();
data.observe(lifecycleOwner, new Observer<String>() {
@Override
public void onChanged(String s) {
}
});
data.setValue("Hello, LiveData!");
public class MyViewModel extends ViewModel {
private MutableLiveData<String> data;
public LiveData<String> getData() {
if (data == null) {
data = new MutableLiveData<>();
}
return data;
}
}
