Added a minimal delay to call setSelection() to enforce special focus handling cases

react-native-aztec/android/src/main/java/org/wordpress/mobile/ReactNativeAztec/ReactAztecArrowKeyMovementMethod.java

@@ -30,16 +30,25 @@ public void onTakeFocus(TextView view, Spannable text, int dir) {
         if ((dir & (View.FOCUS_FORWARD | View.FOCUS_DOWN)) != 0) {
             if (view.getLayout() == null) {
                 // This shouldn't be null, but do something sensible if it is.
-                Selection.setSelection(text, 0); // <-- setting caret to start of text
+                handleSelectionOnEnd(view, text);
             }
             else if (!reactAztecText.isTouched()) {
-                Selection.setSelection(text, text.length()); // <-- setting caret to end of text after two blocks are merged
+                handleSelectionOnEnd(view, text);  // <-- setting caret to end of text after two blocks are merged
             }
         } else {
             Selection.setSelection(text, text.length());  // <-- same as original Android implementation. Not sure if we should change this too
         }
     }
 
+    private void handleSelectionOnEnd(TextView view, final Spannable text) {
+        view.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                Selection.setSelection(text, text.length()); // <-- setting caret to end of text
+            }
+        }, 20);
+    }
+
     @Override
     public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
         ((ReactAztecText)widget).setTouched(true);