setState on onMomentumScrollEnd (or onIndexChanged) goes wrong at 2nd slide

[yangnana11]

Which OS ?

OS: macOS High Sierra 10.13.5

Version

Which versions are you using:
Node: 8.9.1
Yarn: 1.6.0
npm: 6.3.0
Watchman: 4.9.0
Xcode: Xcode 9.4.1 Build version 9F2000
Android Studio: 3.1 AI-173.4819257

react: 16.3.1 => 16.3.1
react-native: 0.55.1 => 0.55.1
react-native-swiper: "^1.5.13"

Expected behaviour

Get the current active index for a button outside of swiper

Actual behaviour

Every thing works fine except:

• The 2nd slide (it shows 2nd slide -> last slide -> 3rd slide)
• First dot becomes last slide

How to reproduce it>

Change the code of first Swiper (link: https://github.com/leecade/react-native-swiper/blob/master/examples/components/Swiper/index.js) to this

         <Swiper style={styles.wrapper} height={200} autoplay
                onMomentumScrollEnd={(e, state, context) => this.setState({index: state.index})}>
          <View style={styles.slide1}>
            <Text style={styles.text}>Hello Swiper</Text>
          </View>
          <View style={styles.slide2}>
            <Text style={styles.text}>Beautiful</Text>
          </View>
          <View style={styles.slide3}>
            <Text style={styles.text}>And simple</Text>
          </View>
          <View style={styles.slide1}>
              <Text style={styles.text}>4</Text>
          </View>
          <View style={styles.slide2}>
              <Text style={styles.text}>5</Text>
          </View>
          <View style={styles.slide3}>
              <Text style={styles.text}>6</Text>
          </View>
        </Swiper>

And the state construct:

constructor (props) {
    super(props);
    this.state={
      index: 0
    }
  }

Steps to reproduce

1. Create Swiper as normal
2. Add onMomentumScrollEnd
3. Allow it to set state

If it is just console.log, nothing wrong, but once it set state, it goes wrong for any names

Please help,

Thanks

[yangnana11]

I found the problem, it is cause of setState and loop={true} can't work together.
Duplicate to #569
Close this~