SET fixes (#1130)

android/app/src/main/java/com/reactnativenavigation/utils/ViewUtils.java

     }
 
     public static ForegroundColorSpan[] getForegroundColorSpans(TextView view) {
-        SpannedString text = (SpannedString) view.getText();
+        SpannedString text = new SpannedString(view.getText());
         return text.getSpans(0, text.length(), ForegroundColorSpan.class);
     }
 

android/app/src/main/java/com/reactnativenavigation/views/sharedElementTransition/AnimatorValuesResolver.java

 package com.reactnativenavigation.views.sharedElementTransition;
 
 import android.graphics.Rect;
+import android.text.style.ForegroundColorSpan;
 import android.widget.TextView;
 
 import com.facebook.drawee.drawable.ScalingUtils;
 
     private void calculateColor(SharedElementTransition from, SharedElementTransition to) {
         if (from.getSharedView() instanceof TextView && to.getSharedView() instanceof TextView) {
-            startColor = ViewUtils.getForegroundColorSpans((TextView) from.getSharedView())[0].getForegroundColor();
-            endColor = ViewUtils.getForegroundColorSpans((TextView) to.getSharedView())[0].getForegroundColor();
+            ForegroundColorSpan[] startColorForegroundColorSpans = ViewUtils.getForegroundColorSpans((TextView) from.getSharedView());
+            if (startColorForegroundColorSpans.length > 0) {
+                startColor = startColorForegroundColorSpans[0].getForegroundColor();
+            }
+            ForegroundColorSpan[] endColorForegroundColorSpans = ViewUtils.getForegroundColorSpans((TextView) to.getSharedView());
+            if (endColorForegroundColorSpans.length > 0) {
+                endColor = endColorForegroundColorSpans[0].getForegroundColor();
+            }
         }
     }
+
     private void calculateDrawingReacts(SharedElementTransition from, SharedElementTransition to) {
         from.getDrawingRect(startDrawingRect);
         to.getDrawingRect(endDrawingRect);

android/app/src/main/java/com/reactnativenavigation/views/sharedElementTransition/SharedElementTransition.java

             @Override
             public void run() {
                 if (spannableText == null) {
-                    spannedText = (SpannedString) view.getText();
+                    spannedText = new SpannedString(view.getText());
                 }
                 if (spannableText == null) {
                     spannableText = new SpannableString(spannedText);