React-native-navigation: [V2]change bottomTab with mergeOptions not working

[zhanguangao]

Issue Description

change bottomTab with mergeOptions not working，but can change topBar

Steps to Reproduce / Code Snippets / Screenshots

Navigation.mergeOptions(this.props.componentId, {       
  topBar: {
    title: {
      text: 'Account'
    }
  },
  bottomTab: {
    text: 'Account'
    icon: require('../../assets/icons/account.png'),
  },
})

---

Environment

• React Native Navigation version: "2.0.2503"
• React Native version: "0.55.4"
• Platform(s) (iOS, Android, or both?): both
• Device info (Simulator/Device? OS version? Debug/Release?): Simulator/Device IOS 11.4 Debug

[qiaolin-pan]

same issue here .

[steve228uk]

This seems to be working on iOS now. However, it's still not possible to change the bottom tabs on Android.

[guyca]

Fixed in 2.0.2594