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27 changes: 17 additions & 10 deletions playground/src/screens/ButtonsScreen.tsx
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
/* eslint-disable prettier/prettier */
import React from 'react';
import { Platform } from 'react-native';
import { NavigationComponent, Options, OptionsTopBarButton } from 'react-native-navigation';
import Root from '../components/Root';
import Button from '../components/Button';
Expand Down Expand Up @@ -139,17 +140,23 @@ export default class ButtonOptions extends NavigationComponent {
);
}

toggleBack= ()=> {
toggleBack = () => {
this.backButtonVisibile = !this.backButtonVisibile;
Navigation.mergeOptions(this.props.componentId,{
topBar:{
backButton:{
testID:BACK_BUTTON,
visible:this.backButtonVisibile
}
}
})
}
Navigation.mergeOptions(this.props.componentId, {
topBar: {
backButton: {
testID: BACK_BUTTON,
visible: this.backButtonVisibile,
},
// iOS: leftButtons replace the back chevron slot, so the back button
// can't render unless leftButtons are cleared. Android's back
// affordance is independent of leftButtons.
...(Platform.OS === 'ios' && this.backButtonVisibile
? { leftButtons: [] }
: {}),
},
});
};

setRightButtons = () =>
Navigation.mergeOptions(this, {
Expand Down