bugfix ios scroll

copied fix from APSL#426

Author: umob-developer

lib/KeyboardAwareHOC.js

@@ -318,18 +318,33 @@ function KeyboardAwareHOC(
       if (keyboardOpeningTime === undefined) {
         keyboardOpeningTime = this.props.keyboardOpeningTime || 0
       }
-      setTimeout(() => {
-        if (!this.mountedComponent) {
-          return
-        }
-        const responder = this.getScrollResponder()
-        responder &&
-          responder.scrollResponderScrollNativeHandleToKeyboard(
+      if(keyboardOpeningTime > 0) {
+        setTimeout(() => {
+          if (!this.mountedComponent) {
+            return
+          }
+          const responder = this.getScrollResponder()
+          responder &&
+            responder.scrollResponderScrollNativeHandleToKeyboard(
+              reactNode,
+              extraHeight,
+              true
+            )
+        }, keyboardOpeningTime)
+      } else {
+        // fix from https://github.com/APSL/react-native-keyboard-aware-scroll-view/pull/426
+        if (this.mountedComponent) {
+          UIManager.measureLayout(
             reactNode,
-            extraHeight,
-            true
-          )
-      }, keyboardOpeningTime)
+            0,
+            () => {},
+            (x, y, width, height) => {
+              findNodeHandle(this._rnkasv_keyboardView), (x, y, width, height) => {
+                this._rnkasv_keyboardView.scrollToPosition(0, parseInt(y) - height - extraHeight, true);
+              }
+            });
+        }        
+      }
     }
 
     scrollIntoView = async (