React NativeTabBarIOS
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'use strict';
var React = require('react-native');
var {
StyleSheet,
TabBarIOS,
Text,
View,
} = React;
var TabBarItemIOS = TabBarIOS.Item;
var TabBarExample = React.createClass({
statics: {
title: '<TabBarIOS>',
description: 'Tab-based navigation.'
},
getInitialState: function() {
return {
selectedTab: 'redTab',
notifCount: 0,
presses: 0,
};
},
_renderContent: function(color: string, pageText: string) {
return (
<View style={[styles.tabContent, {backgroundColor: color}]}>
<Text style={styles.tabText}>{pageText}</Text>
<Text style={styles.tabText}>{this.state.presses} re-renders of this tab</Text>
</View>
);
},
render: function() {
return (
<TabBarIOS
selectedTab={this.state.selectedTab}>
<TabBarItemIOS
name="blueTab"
icon={_ix_DEPRECATED('favorites')}
accessibilityLabel="Blue Tab"
selected={this.state.selectedTab === 'blueTab'}
onPress={() => {
this.setState({
selectedTab: 'blueTab',
});
}}>
{this._renderContent('#414A8C', 'Blue Tab')}
</TabBarItemIOS>
<TabBarItemIOS
accessibilityLabel="Red Tab"
name="redTab"
icon={_ix_DEPRECATED('history')}
badgeValue={this.state.notifCount ? String(this.state.notifCount) : null}
selected={this.state.selectedTab === 'redTab'}
onPress={() => {
this.setState({
selectedTab: 'redTab',
notifCount: this.state.notifCount + 1,
});
}}>
{this._renderContent('#783E33', 'Red Tab')}
</TabBarItemIOS>
<TabBarItemIOS
name="greenTab"
icon={_ix_DEPRECATED('more')}
accessibilityLabel="Green Tab"
selected={this.state.selectedTab === 'greenTab'}
onPress={() => {
this.setState({
selectedTab: 'greenTab',
presses: this.state.presses + 1
});
}}>
{this._renderContent('#21551C', 'Green Tab')}
</TabBarItemIOS>
</TabBarIOS>
);
},
});
var styles = StyleSheet.create({
tabContent: {
flex: 1,
alignItems: 'center',
},
tabText: {
color: 'white',
margin: 50,
},
});
// This is needed because the actual image may not exist as a file and
// is used by the native code to load a system image.
// TODO(nicklockwood): How can this fit our require system?
function _ix_DEPRECATED(imageUri) {
return {
uri: imageUri,
isStatic: true,
};
}
module.exports = TabBarExample;