public class MyActivity extends AppCompatActivity {
private MyViewModel myViewModel;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ViewModelProvider viewModelProvider = new ViewModelProvider(this);
myViewModel = viewModelProvider.get(MyViewModel.class);
myViewModel.getData().observe(this, data -> {
});
}
}
public class MyViewModel extends ViewModel {
private MutableLiveData<String> data;
public LiveData<String> getData() {
if (data == null) {
data = new MutableLiveData<>();
}
return data;
}
}
groovy
dependencies {
def lifecycle_version = "2.4.0"
implementation "androidx.lifecycle:lifecycle-viewmodel:$lifecycle_version"
implementation "androidx.lifecycle:lifecycle-runtime:$lifecycle_version"
implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"
}
