Lewis Evans lewisevans

lewisevans / MyFragment.kt

Last active November 15, 2018 16:41

	class MyFragment : BaseFragment<MyViewModel>() {

	override fun onCreate(savedInstanceState: Bundle?) {
	super.onCreate(savedInstanceState)
	viewModel = viewModelWith(activity!!)
	with(viewModel) {
	/DO SOME STUFF HERE/
	}
	}
	}

lewisevans / BaseFragment.kt

Created November 15, 2018 11:15

	abstract class BaseFragment<VM : BaseViewModel> : DaggerFragment() {

	@Inject
	internal lateinit var viewModelFactory: ViewModelFactory<VM>

	protected lateinit var viewModel: VM

	internal inline fun <reified VM : ViewModel> viewModelWith(frag: Fragment): VM =
	ViewModelProviders.of(frag, viewModelFactory).get(VM::class.java)

lewisevans / BaseActivity.kt

Last active November 15, 2018 16:33

	abstract class BaseActivity<VM : BaseViewModel> : DaggerAppCompatActivity() {

	@Inject
	internal lateinit var viewModelFactory: ViewModelFactory<VM>

	protected lateinit var viewModel:VM

	internal inline fun <reified VM : ViewModel> viewModelWith(act: FragmentActivity): VM =
	ViewModelProviders.of(act, viewModelFactory).get(VM::class.java)
	}

lewisevans / ViewModelFactory.kt

Last active November 7, 2018 16:20

	class ViewModelFactory <T : ViewModel> @Inject constructor(private val viewModel: Lazy<T>) : ViewModelProvider.Factory {

	@Suppress("UNCHECKED_CAST")
	override fun <T : ViewModel?> create(modelClass: Class<T>): T = viewModel.get() as T
	}