iOS 警告
利用一个特定的标题和消息来启动一个警告对话框。
提供一个可选按钮的列表。点击任何按钮触发各自的按下回调动作,并且忽略警告。在默认情况下,只有一个按钮是“OK”按钮。列表中最后一个按钮被视为“主”按钮,它被用粗体显示出来了。
AlertIOS.alert(
'Foo Title',
'My Alert Msg',
[
{text: 'Foo', onPress: () => console.log('Foo Pressed!')},
{text: 'Bar', onPress: () => console.log('Bar Pressed!')},
]
)}
方法
static alert(title: string, message?: string, buttons?: Array<{ text: ?string; onPress: ?Function; }>)
例子
'use strict';
var React = require('react-native');
var {
StyleSheet,
View,
Text,
TouchableHighlight,
AlertIOS,
} = React;
exports.framework = 'React';
exports.title = 'AlertIOS';
exports.description = 'iOS alerts and action sheets';
exports.examples = [{
title: 'Alerts',
render() {
return (
<View>
<TouchableHighlight style={styles.wrapper}
onPress={() => AlertIOS.alert(
'Foo Title',
'My Alert Msg'
)}>
<View style={styles.button}>
<Text>Alert with message and default button</Text>
</View>
</TouchableHighlight>
<TouchableHighlight style={styles.wrapper}
onPress={() => AlertIOS.alert(
null,
null,
[
{text: 'Button', onPress: () => console.log('Button Pressed!')},
]
)}>
<View style={styles.button}>
<Text>Alert with only one button</Text>
</View>
</TouchableHighlight>
<TouchableHighlight style={styles.wrapper}
onPress={() => AlertIOS.alert(
'Foo Title',
'My Alert Msg',
[
{text: 'Foo', onPress: () => console.log('Foo Pressed!')},
{text: 'Bar', onPress: () => console.log('Bar Pressed!')},
]
)}>
<View style={styles.button}>
<Text>Alert with two buttons</Text>
</View>
</TouchableHighlight>
<TouchableHighlight style={styles.wrapper}
onPress={() => AlertIOS.alert(
'Foo Title',
null,
[
{text: 'Foo', onPress: () => console.log('Foo Pressed!')},
{text: 'Bar', onPress: () => console.log('Bar Pressed!')},
{text: 'Baz', onPress: () => console.log('Baz Pressed!')},
]
)}>
<View style={styles.button}>
<Text>Alert with 3 buttons</Text>
</View>
</TouchableHighlight>
<TouchableHighlight style={styles.wrapper}
onPress={() => AlertIOS.alert(
'Foo Title',
'My Alert Msg',
'..............'.split('').map((dot, index) => ({
text: 'Button ' + index,
onPress: () => console.log('Pressed ' + index)
}))
)}>
<View style={styles.button}>
<Text>Alert with too many buttons</Text>
</View>
</TouchableHighlight>
</View>
);
},
}];
var styles = StyleSheet.create({
wrapper: {
borderRadius: 5,
marginBottom: 5,
},
button: {
backgroundColor: '#eeeeee',
padding: 10,
},
});