Fix 134 (#138)

* fixing visibility GONE bug

* version bump

Author: leandroBorgesFerreira

loading-button-android/build.gradle

@@ -5,7 +5,7 @@ apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'org.jmailen.kotlinter'
 
 // Bintray depends on this global variable to set the library version!
-version = "2.1.3"
+version = "2.1.4"
 group = 'br.com.simplepass'
 
 android {

loading-button-android/src/main/java/br/com/simplepass/loadingbutton/customViews/CircularProgressButton.kt

@@ -167,8 +167,10 @@ open class CircularProgressButton : AppCompatButton, ProgressButton {
 
     @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
     fun dispose() {
-        morphAnimator.disposeAnimator()
-        morphRevertAnimator.disposeAnimator()
+        if (presenter.state != State.BEFORE_DRAW) {
+            morphAnimator.disposeAnimator()
+            morphRevertAnimator.disposeAnimator()
+        }
     }
 
     override fun onDraw(canvas: Canvas) {