react-nativegestures

TouchableOpacity with parent PanResponder


I have a parent PanResponder with a child TouchableOpacity. What happens is that the TouchableOpacity doesn't respond to clicks because the PanResponder takes the click. I have tried to follow this guide but no success: http://browniefed.com/blog/react-native-maintain-touchable-items-with-a-parent-panresponder/

this is my code:

this._panResponder = PanResponder.create({
            onStartShouldSetPanResponder: (evt, gestureState) => true,
            onStartShouldSetPanResponderCapture: (evt, gestureState) => false,
            onMoveShouldSetResponderCapture: () => true,
            onMoveShouldSetPanResponder: (evt, gestureState) => true,
            onMoveShouldSetPanResponderCapture: (evt, gestureState) => {
                return gestureState.dx != 0 && gestureState.dy != 0;
            },
            onPanResponderGrant: (evt, gestureState) => {
                let isFirst = gestureState.y0 > 164 ? false : true;
                this.setState({animObj: isFirst, isUsingCurtain: true});
            },
            onPanResponderMove: (evt, gestureState) => {

                //let Y = this.state.animObj ? gestureState.moveY - this.state.currentHeaderHeight  : gestureState.moveY - this.state.currentHeaderHeight ;// - this.state.currentHeaderHeight;
                let Y = gestureState.moveY - this.state.currentHeaderHeight + 20
                if (Y < 0) {
                    return false
                }
                this.state.animCurtain.setValue(Y);
                gestureState.moveY > height / 2 ? this.setState({curtainOnMiddle: true}) : this.setState({curtainOnMiddle: false})
            },
            onPanResponderTerminationRequest: (evt, gestureState) => true,
            onPanResponderRelease: (evt, gestureState) => {
                if (((height / 2) > gestureState.moveY)) {//slide back up1
                    this._CurtainAnimation(0, false);
                } else {//slide to bottom
                    let val = height - calcSize(180);
                    this._CurtainAnimation(val, true);
                }
            },
            onPanResponderTerminate: (evt, gestureState) => {
            },
            onPanResponderStart: (e, gestureState) => {
            },
        });

and this is my View :

<Animated.View
            style={[styles.bottomHPHeader, TopArroOpacity ? {opacity: TopArroOpacity} : ""]} {...this._panResponder.panHandlers}>
            <TouchableOpacity onPress={() => this._animateAutoCurtain()}>
                {this.state.curtainOnMiddle ?
                    <AIIcon image={require('../../../../assets/images/homepage/close_drawer_arrow.png')}
                            boxSize={30}/>
                    : <AIIcon image={require('../../../../assets/images/homepage/open_drawer_arrow.png')}
                              boxSize={30}/>}
            </TouchableOpacity></Animated.View>

Thank you


Solution

  • The solution for my case was to modify onMoveShouldSetPanResponder

    onMoveShouldSetPanResponder: (evt, gestureState) => {
        //return true if user is swiping, return false if it's a single click
                    return !(gestureState.dx === 0 && gestureState.dy === 0)                  
    }