Last active
August 29, 2015 14:17
-
-
Save williamwa/8de6b06c48282d6ce57f to your computer and use it in GitHub Desktop.
A todo list app by react native
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
* Sample React Native App | |
* https://github.com/facebook/react-native | |
*/ | |
'use strict'; | |
var React = require('react-native'); | |
var { | |
AppRegistry, | |
StyleSheet, | |
Text, | |
View, | |
ListView, | |
TextInput, | |
TouchableOpacity, | |
} = React; | |
var MyApp = React.createClass({ | |
todos: [], | |
getInitialState: function() { | |
var ds = new ListView.DataSource({rowHasChanged: (r1, r2) => true}); | |
//for(var i = 0; i<=10; i++){this.todos.push({text: 'I Will do:'+i, done: Math.random() > 0.5})} | |
return { | |
dataSource: ds.cloneWithRows(this.todos), | |
input: '' | |
}; | |
}, | |
editTodo: function(text){ | |
this.setState({input:text}); | |
}, | |
submitTodo: function(){ | |
this.todos.unshift({text: this.state.input, done: false}); | |
this.setState({ | |
dataSource: this.state.dataSource.cloneWithRows(this.todos), | |
input: '', | |
}); | |
}, | |
toggleTodo: function(i){ | |
this.todos[i].done = !this.todos[i].done; | |
this.setState({ | |
dataSource: this.state.dataSource.cloneWithRows(this.todos), | |
}); | |
}, | |
renderTodoItem: function(item, si, i){ | |
return ( | |
<View style={styles.row}> | |
<View style={styles.rowLeft}> | |
<Text>{item.text}</Text> | |
</View> | |
<View style={styles.rowRight}> | |
<TouchableOpacity onPress={this.toggleTodo.bind(this, i)}> | |
<Text style={[styles.todoText, item.done?styles.todoTextDone:null]}>√</Text> | |
</TouchableOpacity> | |
</View> | |
</View> | |
); | |
}, | |
render: function() { | |
return ( | |
<View style={styles.container}> | |
<View style={styles.titleBar}> | |
<Text style={styles.title}>Todo List</Text> | |
</View> | |
<View style={styles.listArea}> | |
<ListView | |
dataSource={this.state.dataSource} | |
renderRow={this.renderTodoItem} /> | |
</View> | |
<TextInput | |
style={styles.input} | |
value={this.state.input} | |
onChangeText={this.editTodo} | |
onSubmitEditing={this.submitTodo} /> | |
</View> | |
); | |
} | |
}); | |
var styles = StyleSheet.create({ | |
container: { | |
flex: 1, | |
backgroundColor: '#F5FCFF', | |
}, | |
titleBar:{ | |
height: 55, | |
padding: 20, | |
backgroundColor: 'white', | |
flex: 0, | |
}, | |
title: { | |
fontSize: 22, | |
textAlign: 'center', | |
}, | |
listArea: { | |
flex: 1, | |
}, | |
row: { | |
flexDirection: 'row', | |
justifyContent: 'center', | |
padding: 10, | |
backgroundColor: '#F6F6F6', | |
}, | |
rowLeft:{ | |
flex: 1 | |
}, | |
rowRight:{ | |
flex: 0, | |
width: 20, | |
}, | |
todoText: { | |
textAlign: 'center', | |
color: '#DDDDDD', | |
}, | |
todoTextDone: { | |
color: 'green', | |
}, | |
input:{ | |
height: 40, | |
borderColor: 'gray', | |
borderWidth: 1, | |
padding: 5, | |
flex: 0, | |
}, | |
}); | |
AppRegistry.registerComponent('MyApp', () => MyApp); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment