react-native-linear-gradient/Examples/AnimatedGradient/index.android.js

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'use strict';
var React = require('react-native');
var {
AppRegistry,
StyleSheet,
Text,
View,
} = React;
var TimerMixin = require('react-timer-mixin');
var LinearGradient = require('react-native-linear-gradient');
var incrementColor = require('./incrementColor');
var AnimatedGradient = React.createClass({
mixins: [TimerMixin],
getInitialState: function() {
return {
count: 0,
colorTop: '#000000',
colorBottom: '#cccccc',
}
},
componentDidMount: function() {
this.setInterval(() => {
this.setState({
count: this.state.count + 1,
colorTop: incrementColor(this.state.colorTop, 1),
colorBottom: incrementColor(this.state.colorBottom, -1),
});
}, 20);
},
render: function() {
return (
<View style={styles.container}>
<LinearGradient
colors={[this.state.colorTop, this.state.colorBottom]}
style={styles.gradient} />
<Text style={{color: this.state.colorTop}}>{this.state.colorTop}</Text>
<Text style={{color: this.state.colorBottom}}>{this.state.colorBottom}</Text>
</View>
);
}
});
var styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#F5FCFF',
},
gradient: {
width: 200,
height: 200,
},
});
AppRegistry.registerComponent('AnimatedGradient', () => AnimatedGradient);