react-native/Examples/UIExplorer/TabBarIOSExample.js

107 lines
2.8 KiB
JavaScript

/**
* The examples provided by Facebook are for non-commercial testing and
* evaluation purposes only.
*
* Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* @flow
*/
'use strict';
var React = require('react-native');
var {
StyleSheet,
TabBarIOS,
Text,
View,
} = React;
var TabBarExample = React.createClass({
statics: {
title: '<TabBarIOS>',
description: 'Tab-based navigation.',
},
displayName: 'TabBarExample',
getInitialState: function() {
return {
selectedTab: 'redTab',
notifCount: 0,
presses: 0,
};
},
_renderContent: function(color: string, pageText: string, num?: number) {
return (
<View style={[styles.tabContent, {backgroundColor: color}]}>
<Text style={styles.tabText}>{pageText}</Text>
<Text style={styles.tabText}>{num} re-renders of the {pageText}</Text>
</View>
);
},
render: function() {
return (
<TabBarIOS
tintColor="white"
barTintColor="darkslateblue">
<TabBarIOS.Item
title="Blue Tab"
selected={this.state.selectedTab === 'blueTab'}
onPress={() => {
this.setState({
selectedTab: 'blueTab',
});
}}>
{this._renderContent('#414A8C', 'Blue Tab')}
</TabBarIOS.Item>
<TabBarIOS.Item
systemIcon="history"
badge={this.state.notifCount > 0 ? this.state.notifCount : undefined}
selected={this.state.selectedTab === 'redTab'}
onPress={() => {
this.setState({
selectedTab: 'redTab',
notifCount: this.state.notifCount + 1,
});
}}>
{this._renderContent('#783E33', 'Red Tab', this.state.notifCount)}
</TabBarIOS.Item>
<TabBarIOS.Item
systemIcon="more"
selected={this.state.selectedTab === 'greenTab'}
onPress={() => {
this.setState({
selectedTab: 'greenTab',
presses: this.state.presses + 1
});
}}>
{this._renderContent('#21551C', 'Green Tab', this.state.presses)}
</TabBarIOS.Item>
</TabBarIOS>
);
},
});
var styles = StyleSheet.create({
tabContent: {
flex: 1,
alignItems: 'center',
},
tabText: {
color: 'white',
margin: 50,
},
});
module.exports = TabBarExample;