XCODE补充
启动项目:react-native init 项目名称
修改Xcode中plist文件:
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
否则,连接不到服务器
var Dimensions = require('Dimensions');
var ScreenWidth = Dimensions.get('window').width;
var ScreenHeight = Dimensions.get('window').height;
var ScreenScale = Dimensions.get('window').scale;
export default class rn extends Component {
render() {
return (
<View style={styles.container}>
<Text style={styles.welcome}>
Welcome to React Native!
</Text>
<Text style={styles.screenStyle}>
{ScreenWidth} * {ScreenHeight} : {ScreenScale} //别忘记加{}
</Text>
</View>
);
}
}