rxJavaPlugins errorHandler listener - need to be override due not all error...

rxJavaPlugins errorHandler listener - need to be override due not all error cases allowed to be resolved by  default rxJava behaviour

app/src/main/java/com/biganto/visual/roompark/base/RoomParkApplication.kt

@@ -6,7 +6,11 @@ import com.biganto.visual.roompark.di.dagger.AppComponent
 import com.biganto.visual.roompark.di.dagger.DaggerAppComponent
 import dagger.android.AndroidInjector
 import dagger.android.DaggerApplication
+import io.reactivex.exceptions.UndeliverableException
+import io.reactivex.plugins.RxJavaPlugins
+import kotlinx.io.IOException
 import timber.log.Timber
+import java.net.SocketException
 
 /**
  * Created by Vladislav Bogdashkin on 03.09.2019.
@@ -33,7 +37,41 @@ class RoomParkApplication : DaggerApplication() {
 
         if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
         else Timber.plant(CrashlyticsTree())
+
+
+
+        RxJavaPlugins.setErrorHandler { e ->
+            when (e) {
+                is UndeliverableException -> {
+                }
+                // fine, irrelevant network problem or API that throws on cancellation
+                is IOException -> return@setErrorHandler
+                is SocketException -> return@setErrorHandler
+                // fine, some blocking code was interrupted by a dispose call
+                is InterruptedException ->
+                    return@setErrorHandler
+                // that's likely a bug in the application
+                is NullPointerException -> {
+                    Thread.currentThread().uncaughtExceptionHandler
+                        .uncaughtException(Thread.currentThread(), e)
+                    return@setErrorHandler
+                }
+                is IllegalArgumentException -> {
+                    Thread.currentThread().uncaughtExceptionHandler
+                        .uncaughtException(Thread.currentThread(), e)
+                    return@setErrorHandler
+                }
+                // that's a bug in RxJava or in a custom operator
+                is IllegalStateException -> {
+                    Thread.currentThread().uncaughtExceptionHandler
+                        .uncaughtException(Thread.currentThread(), e)
+                    return@setErrorHandler
+                }
+            }
+            Timber.w(e, "Undeliverable exception received, not sure what to do")
+        }
     }
+
 }
 
 

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feed_list/ScreenController.kt

@@ -59,7 +59,8 @@ class ArticlesScreenController  :
     override fun feedSubscription(): Observable<Boolean> =
         toolBar.headerToolbar.findViewById<SwitchMaterial>(R.id.switch1)
             .checkedChanges()
-            .filter { Timber.d("silentCheck: $silentCheck")
+            .skip(1) //skip init switcher check state
+            .filter {
                 if (!silentCheck) return@filter !silentCheck
                 else silentCheck = false
                 silentCheck
@@ -69,11 +70,6 @@ class ArticlesScreenController  :
             .observeOn(AndroidSchedulers.mainThread())
 
     private var silentCheck = false
-    set(value) {
-        Timber.d("silent value: old: $field new $value")
-        field = value
-    }
-
 
 
     override fun injectDependencies() {
@@ -179,11 +175,9 @@ class ArticlesScreenController  :
         if (sw.isChecked != viewState.subState)
         {
             silentCheck = true
-
+            sw.isChecked = viewState.subState
         }
 
-        sw.isChecked = viewState.subState
-
         if (viewState.subState)
             showError(ExceptionString(R.string.unsubscribe_error_message,null))
         else showError(ExceptionString(R.string.subscribe_error_message,null))

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feed_list/ScreenPresenter.kt

@@ -39,10 +39,16 @@ class ArticlesScreenPresenter @Inject constructor(
 
         val onSubChecked = intent(ArticlesScreen::feedSubscription)
 //            .skip(1)
-            .filter { restoreModel.sub!=null }
+            .filter { restoreModel.sub != null }
             .flatMap { newState ->
-                interactor.switchSubscription(restoreModel.sub!!,newState)
-                    .andThen(Observable.just<ArticlesScreenViewState>(ArticlesScreenViewState.SubscriptionStatus(newState)))
+                interactor.switchSubscription(restoreModel.sub!!, newState)
+                    .andThen(
+                        Observable.just<ArticlesScreenViewState>(
+                            ArticlesScreenViewState.SubscriptionStatus(
+                                newState
+                            )
+                        )
+                    )
                     .onErrorReturn { ArticlesScreenViewState.SubscriptionError(!newState) }
             }
 
@@ -72,31 +78,20 @@ class ArticlesScreenPresenter @Inject constructor(
             .startWith(Observable.just<ArticlesScreenViewState>(ArticlesScreenViewState.Idle()))
 
 
-        val state =
-            Observable.mergeDelayError(
-                arrayListOf(
-                    restoreStateObservable,
-                    prefetchCards,
-                        getNewArticlesPage,
-                        fetchSubscription,
-                        onSubChecked)
+        val state = Observable.mergeDelayError(
+            arrayListOf(
+                restoreStateObservable,
+                prefetchCards,
+                getNewArticlesPage,
+                fetchSubscription,
+                onSubChecked
             )
-                .doOnError { Timber.e(it) }
-                .onErrorReturn(::parseError)
-
-//            .mergeWith(prefetchCards)
-//            .mergeWith(getNewArticlesPage)
-//            .mergeWith(fetchSubscription)
-//            .mergeWith(onSubChecked)
-
-//            val safeState = Observable.mergeDelayError {
-//
-//                }
-
+        )
+            .doOnError { Timber.e(it) }
+            .onErrorReturn(::parseError)
             .subscribeOn(Schedulers.io())
             .observeOn(AndroidSchedulers.mainThread())
 
         subscribeViewState(state.cast(ArticlesScreenViewState::class.java), ArticlesScreen::render)
     }
-
 }
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