bugfix
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tdzl2003
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README.md
27
README.md
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# react-native-inputscrollview
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防止键盘弹出时候，输入框被遮挡
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1. 防止键盘弹出时候，输入框被遮挡
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2. 解决在ScrollView中点击其它元素时需要点击两次才能生效的问题
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## 如何安装
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0.35以上:
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```bash
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npm install react-native-inputscrollview --save
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rnpm link react-native-inputscrollview
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```
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0.34以下:
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```bash
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npm install react-native-inputscrollview@1.x --save
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rnpm link react-native-inputscrollview
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```
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## 如何使用
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用InputScrollView替换InputView外层的ScrollView组件
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用InputScrollView替换InputView外层的ScrollView组件
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## 属性
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### distance: number (default 50)
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当输入框非常靠近底部的时候,会自动和键盘保持一定的距离。这可以为你其它的组件留出空间。
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### tapToDismiss: boolean (default true)
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是否可以点击ScrollView来关闭键盘。
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181
index.js
181
index.js
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@ -2,22 +2,22 @@
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* Created by lvbingru on 12/16/15.
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*/
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import React, {Component, PropTypes, } from 'react';
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import ReactNative, {InteractionManager, View, Text, ScrollView, Platform, Animated, UIManager, NativeModules, Dimensions} from 'react-native';
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import React, {Component, PropTypes } from 'react';
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import ReactNative, {
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InteractionManager, View, Text, ScrollView, Platform, Animated, UIManager, NativeModules, Dimensions,
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Keyboard,
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} from 'react-native';
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import TextInputState from 'react-native/Libraries/Components/TextInput/TextInputState';
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import dismissKeyboard from 'react-native/Libraries/Utilities/dismissKeyboard';
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import packageData from 'react-native/package.json';
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import semver from 'semver';
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const ViewPlugins = NativeModules.InputScrollViewPlugin;
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const dismissKeyboard = Keyboard.dismiss;
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const propTypes = {
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distance : PropTypes.number,
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tapToDismiss : PropTypes.bool,
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onKeyboardWillShow : PropTypes.func,
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}
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const defaultProps = {
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distance : 160,
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distance : 50,
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tapToDismiss : true,
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}
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@ -33,92 +33,104 @@ export default class InputScrollView extends Component {
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this.moved = false;
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}
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componentWillMount() {
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this.keyboardWillShowListener = Keyboard.addListener('keyboardWillShow', this.onKeyboardWillShow);
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this.keyboardWillHideListener = Keyboard.addListener('keyboardWillHide', this.onKeyboardWillHide);
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}
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componentWillUnmount() {
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this.keyboardWillShowListener.remove();
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this.keyboardWillHideListener.remove();
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}
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onKeyboardWillShow = e => {
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if (!this.scrollViewRef) {
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return;
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}
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const currentlyFocusedTextInput = TextInputState.currentlyFocusedField();
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if (currentlyFocusedTextInput != null) {
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ViewPlugins && ViewPlugins.isSubview(
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currentlyFocusedTextInput,
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this.scrollViewRef.getInnerViewNode(),
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r => {
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if (r === true) {
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this.move(currentlyFocusedTextInput, e)
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}
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});
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}
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};
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onKeyboardWillHide = e=> {
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if (!this.scrollViewRef) {
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return;
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}
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if (this.moved) {
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this.moved = false;
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this.scrollToY(this.offsetY);
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}
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};
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render() {
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const {distance, tapToDismiss, onKeyboardWillShow, keyboardShouldPersistTaps, children, ...others} = this.props
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return (
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<View
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style = {{flex:1}}
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onStartShouldSetResponderCapture = {e=>{
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if (tapToDismiss === true) {
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const currentlyFocusedTextInput = TextInputState.currentlyFocusedField();
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if (e.target != currentlyFocusedTextInput) {
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if (ViewPlugins && ViewPlugins.isTextInput) {
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ViewPlugins.isTextInput(
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e.target,
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r => {
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if (r===false) {
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dismissKeyboard();
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}
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}
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);
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}
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else {
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dismissKeyboard();
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}
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}
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}
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return false;
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}}
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>
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<ScrollView
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<View
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style = {{flex:1}}
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contentContainerStyle = {[{alignItems : 'stretch',}]}
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keyboardShouldPersistTaps = {tapToDismiss?true:keyboardShouldPersistTaps}
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ref={(srcollView) => {
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this.scrollViewRef = srcollView;
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}}
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onKeyboardWillShow = {e => {
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if (!this.scrollViewRef) {
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return;
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onStartShouldSetResponderCapture = {e=>{
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if (tapToDismiss === true) {
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const currentlyFocusedTextInput = TextInputState.currentlyFocusedField();
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if (e.target != currentlyFocusedTextInput) {
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if (ViewPlugins && ViewPlugins.isTextInput) {
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ViewPlugins.isTextInput(
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e.target,
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r => {
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if (r===false) {
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dismissKeyboard();
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}
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}
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);
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}
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else {
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dismissKeyboard();
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}
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}
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}
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const currentlyFocusedTextInput = TextInputState.currentlyFocusedField();
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if (currentlyFocusedTextInput != null) {
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ViewPlugins && ViewPlugins.isSubview(
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currentlyFocusedTextInput,
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this.scrollViewRef.getInnerViewNode(),
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r => {
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if(r===true) {this.move(currentlyFocusedTextInput, e)}
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});
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}
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onKeyboardWillShow && onKeyboardWillShow(e);
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return false;
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}}
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onKeyboardWillHide = {e=> {
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if (!this.scrollViewRef) {
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return;
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}
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if (this.moved) {
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this.moved = false;
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this.scrollToY(this.offsetY);
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}
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}}
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onMomentumScrollEnd = {e=>{
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if (!this.moved) {
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this.offsetY = Math.max(0, e.nativeEvent.contentOffset.y)
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}
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}}
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{...others}
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>
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{children}
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</ScrollView>
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</View>
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>
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<ScrollView
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style = {{flex:1}}
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contentContainerStyle = {[{alignItems : 'stretch',}]}
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keyboardShouldPersistTaps = {tapToDismiss?true:keyboardShouldPersistTaps}
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ref={(srcollView) => {
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this.scrollViewRef = srcollView;
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}}
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onMomentumScrollEnd = {e=>{
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if (!this.moved) {
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this.offsetY = Math.max(0, e.nativeEvent.contentOffset.y)
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}
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}}
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{...others}
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>
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{children}
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</ScrollView>
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</View>
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);
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}
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move(currentlyFocusedTextInput, e) {
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UIManager.measureLayout(
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currentlyFocusedTextInput,
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ReactNative.findNodeHandle(this.scrollViewRef.getInnerViewNode()),
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e=>{console.warning(e)},
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(left, top, width, height)=>{
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let keyboardScreenY = Dimensions.get('window').height;
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if (e && e.endCoordinates) {
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keyboardScreenY = e.endCoordinates.screenY;
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}
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let scrollOffsetY = top - keyboardScreenY + height + this.props.distance;
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scrollOffsetY = Math.max(this.offsetY, scrollOffsetY);
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this.scrollToY(scrollOffsetY);
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}
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currentlyFocusedTextInput,
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ReactNative.findNodeHandle(this.scrollViewRef.getInnerViewNode()),
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e=>{console.warning(e)},
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(left, top, width, height)=>{
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let keyboardScreenY = Dimensions.get('window').height;
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if (e) {
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keyboardScreenY = e.endCoordinates.screenY;
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}
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let scrollOffsetY = top - keyboardScreenY + height + this.props.distance;
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scrollOffsetY = Math.max(this.offsetY, scrollOffsetY);
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this.scrollToY(scrollOffsetY);
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}
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);
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this.moved = true;
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}
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@ -128,12 +140,7 @@ export default class InputScrollView extends Component {
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}
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scrollToY(offsetY) {
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if (semver.gte(packageData.version, '0.20.0')) {
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this.scrollViewRef.scrollTo({x:0, y:offsetY});
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}
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else {
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this.scrollViewRef.scrollTo(offsetY, 0);
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}
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this.scrollViewRef.scrollTo({x:0, y:offsetY});
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}
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}
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@ -1,6 +1,6 @@
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{
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"name": "react-native-inputscrollview",
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"version": "1.0.3",
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"version": "2.0.0",
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"description": "输入框位置动态调整",
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"main": "index.js",
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"scripts": {
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"homepage": "https://github.com/reactnativecn/react-native-inputscrollview.git%22#readme",
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"dependencies": {
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"semver": "^5.1.0"
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},
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"peerDependencies": {
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"react-native": "^0.35.0"
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}
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}
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