Use klint

vector/src/main/java/im/vector/riotx/AppStateHandler.kt

@@ -31,12 +31,10 @@ import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.functions.BiFunction
 import io.reactivex.rxkotlin.addTo
-import io.reactivex.schedulers.Schedulers
 import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 import javax.inject.Singleton
 
-
 /**
  * This class handles the global app state. At the moment, it only manages room list.
  * It requires to be added to ProcessLifecycleOwner.get().lifecycle

vector/src/main/java/im/vector/riotx/VectorApplication.kt

@@ -136,7 +136,7 @@ class VectorApplication : Application(), HasVectorInjector, MatrixConfiguration.
             }
         })
         ProcessLifecycleOwner.get().lifecycle.addObserver(appStateHandler)
-        //This should be done as early as possible
+        // This should be done as early as possible
         initKnownEmojiHashSet(appContext)
     }
 

vector/src/main/java/im/vector/riotx/features/home/HomeActivity.kt

@@ -27,7 +27,6 @@ import androidx.core.view.isVisible
 import androidx.drawerlayout.widget.DrawerLayout
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
-import com.airbnb.mvrx.viewModel
 import im.vector.riotx.R
 import im.vector.riotx.core.di.ActiveSessionHolder
 import im.vector.riotx.core.di.ScreenComponent