ensure lateinit prop is initialized before accessing it

Author: kuamanet

gradle.properties

@@ -19,5 +19,5 @@ android.useAndroidX=true
 android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
-version_code=5
+version_code=6
 version_name=1.0

src/main/java/net/kuama/wifiMonitor/support/HotObservable.kt

@@ -13,7 +13,9 @@ internal class HotObservable<T>(anyValue1: T) {
         set(value) {
             if (value != this.current) {
                 field = value
-                emitter.valueChanged(value)
+                if (::emitter.isInitialized) {
+                    emitter.valueChanged(value)
+                }
             }
         }