added clearData to reset ViewModel data

Author: Spring Wong

app/src/main/java/com/spring/androidconductormvvmsample/controllers/DetailController.kt

@@ -47,5 +47,9 @@ class DetailController : Controller() {
  view.btnPush.clicks().subscribe({
  flowControl.push(DetailController())
  })
+
+ view.btnClear.clicks().subscribe({
+ viewModel.clearData()
+ })
  }
 }

app/src/main/java/com/spring/androidconductormvvmsample/viewModel/SimpleViewModel.kt

@@ -17,8 +17,8 @@ import javax.inject.Inject
  */
 class SimpleViewModel {
  @Inject
- lateinit var service: GithubService
- var user : User? = null
+ protected lateinit var service: GithubService
+ private var user : User? = null
 
  constructor() {
  MainActivity.graph.inject(this)
@@ -31,4 +31,9 @@ class SimpleViewModel {
  return service.getMyProfile().doOnSuccess { success -> this.user = success }.subscribeOn(Schedulers.newThread())
  }
  }
+
+ fun clearData() {
+ user = null
+ }
+
 }

app/src/main/res/layout/controller_detail.xml

@@ -41,4 +41,10 @@
  android:layout_height="wrap_content"
  android:text="Click Me to push new controller"/>
 
+ <Button
+ android:id="@+id/btnClear"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:text="Click me to clear user cache"/>
+
 </LinearLayout>