fix problem that ScrollView cant work on ios

.gitignore

@@ -25,3 +25,4 @@ build/Release/lib
 # Dependency directory
 # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
 node_modules
+.history

README.md

@@ -100,6 +100,8 @@ Can be passed within optional `config` property.
 | velocityThreshold          | Number        | 0.3     | Velocity that has to be breached in order for swipe to be triggered (`vx` and `vy` properties of `gestureState`) |
 | directionalOffsetThreshold | Number        | 80      | Absolute offset that shouldn't be breached for swipe to be triggered (`dy` for horizontal swipe, `dx` for vertical swipe) |
 | gestureIsClickThreshold    | Number        | 5       | Absolute distance that should be breached for the gesture to not be considered a click (`dx` or `dy` properties of `gestureState`) |
+|needVerticalScroll|Boolean|false|Need vertical scroll or not|
+|scrollVerticalThreshold|Number|5|Absolute distance that to decide if give touch event to ScrollView|
 
 ## Methods
 

index.d.ts

@@ -32,6 +32,18 @@ declare module 'react-native-swipe-gestures' {
      * @default 5
      */
     gestureIsClickThreshold?: number;
+
+    /**
+     * Need vertical scroll or not
+     * @default false
+     */
+    needVerticalScroll?: Boolean;
+
+    /**
+     * Absolute distance that to decide if give touch event to ScrollView
+     * @default 5 
+     */
+    scrollVerticalThreshold?: number;
   }
 
   class GestureRecognizer extends Component<GestureRecognizerProps> {}

index.js

@@ -13,7 +13,9 @@ export const swipeDirections = {
 const swipeConfig = {
   velocityThreshold: 0.3,
   directionalOffsetThreshold: 80,
-  gestureIsClickThreshold: 5
+  gestureIsClickThreshold: 5,
+  needVerticalScroll: false,
+  scrollVerticalThreshold: 5
 };
 
 function isValidSwipe(
@@ -50,6 +52,16 @@ class GestureRecognizer extends Component {
   }
 
   _handleShouldSetPanResponder(evt, gestureState) {
+
+    // start --- 2020/12/4 fix the problem that scroll view can't work inside on ios
+    if (this.swipeConfig.needVerticalScroll
+      && ( gestureState.dy > this.swipeConfig.scrollVerticalThreshold
+          || gestureState.dy < -this.swipeConfig.scrollVerticalThreshold )
+      ) {
+      return false
+    }
+    // end --- 2020/12/4 fix the problem that scroll view can't work inside on ios
+
     return (
       evt.nativeEvent.touches.length === 1 &&
       !this._gestureIsClick(gestureState)