Fix crash in SafeAreaUtils.getFrame when view parent is null

android/src/main/java/com/th3rdwave/safeareacontext/SafeAreaUtils.java

     return windowInsets;
   }
 
-  static com.th3rdwave.safeareacontext.Rect getFrame(ViewGroup rootView, View view) {
+  static @Nullable com.th3rdwave.safeareacontext.Rect getFrame(ViewGroup rootView, View view) {
+    // This can happen while the view gets unmounted.
+    if (view.getParent() == null) {
+      return null;
+    }
     Rect offset = new Rect();
     view.getDrawingRect(offset);
-    rootView.offsetDescendantRectToMyCoords(view, offset);
+    try {
+      rootView.offsetDescendantRectToMyCoords(view, offset);
+    } catch (IllegalArgumentException ex) {
+      // This can throw if the view is not a descendant of rootView. This should not
+      // happen but avoid potential crashes.
+      ex.printStackTrace();
+      return null;
+    }
 
     return new com.th3rdwave.safeareacontext.Rect(offset.left, offset.top, view.getWidth(), view.getHeight());
   }

android/src/main/java/com/th3rdwave/safeareacontext/SafeAreaView.java

   private void maybeUpdateInsets() {
     EdgeInsets edgeInsets = SafeAreaUtils.getSafeAreaInsets(mWindowManager, getRootView(), this);
     Rect frame = SafeAreaUtils.getFrame((ViewGroup) getRootView(), this);
-    if (edgeInsets != null &&
+    if (edgeInsets != null && frame != null &&
         (mLastInsets == null ||
             mLastFrame == null ||
             !mLastInsets.equalsToEdgeInsets(edgeInsets) ||

android/src/main/java/com/th3rdwave/safeareacontext/SafeAreaViewManager.java

         decorView,
         contentView);
     Rect frame = SafeAreaUtils.getFrame(decorView, contentView);
-    if (insets == null) {
+    if (insets == null || frame == null) {
       return null;
     }
     return MapBuilder.<String, Object>of(