import React,{Component} from 'react'; import ReactNative,{ AppRegistry, StyleSheet, Text, View, Image, TextInput, Dimensions, Platform, TouchableOpacity, ScrollView, } from 'react-native'; import Icon from 'react-native-vector-icons/FontAwesome' var {width,height}=Dimensions.get('window') export default class Login extends Component { _reset() { this.refs.scrollView.scrollTo({y: 0}); } _onFocus(refName) { setTimeout(() => { let scrollResponder = this.refs.scrollView.getScrollResponder(); scrollResponder.scrollResponderScrollNativeHandletoKeyboard( ReactNative.findNodeHandle(this.refs[refName]),10,true); },100); } render() { return ( <ScrollView scrollEnabled={false} //防止滑动 contentContainerStyle={{flex:1}} ref="scrollView"> <View style={styles.container}> <TextInput ref="textInput" onBlur={this._reset.bind(this)} onFocus={this._onFocus.bind(this,'textInput')} keyboardType={'numeric'} placeholder='站点地址(URL)' style={styles.username}/> </View> </ScrollView> ); } } const styles = StyleSheet.create({ container: { flex: 1, justifyContent: 'center', alignItems: 'center', backgroundColor: '#4396d3', }, username: { width: width - 40, height: 40, backgroundColor: 'white', } });
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