彻底解决PickerIOS的警告问题，并兼容老的RN版本

WheelCurvedPicker.ios.js

@@ -3,6 +3,15 @@
 import React from 'react';
 import {
 	View,
+	NativeModules
 } from 'react-native';
+import PickerIOS from "./src/PickerIOS";
 
-module.exports = View;
+let PickerIOSComponent = null;
+if("RNWPicker" in NativeModules.UIManager) {
+	PickerIOSComponent = PickerIOS;
+} else {
+	PickerIOSComponent = require('react-native').PickerIOS;
+}
+
+module.exports = PickerIOSComponent;

index.js

@@ -2,11 +2,6 @@
 
 import React,{} from 'react';
 
-import {
-	Platform,
-	NativeModules
-} from 'react-native';
-
 import WheelCurvedPicker from './WheelCurvedPicker'
 
 import PickerHeader from './src/PickerHeader';
@@ -19,14 +14,6 @@ import DatePicker from './src/DatePicker';
 
 import DateRangePicker from './src/DateRangePicker';
 
-let PickerIOS = null;
-if(Platform.OS === 'ios') {
-	if(NativeModules.RNWPicker) {
-		PickerIOS = require('./src/PickerIOS').default;
-	} else {
-		PickerIOS = require('react-native').PickerIOS;
-	}
-}
 
 export {
 	PickerHeader,
@@ -36,4 +23,4 @@ export {
 	DateRangePicker
 };
 
-export default (Platform.OS === 'ios' ? PickerIOS : WheelCurvedPicker);
+export default WheelCurvedPicker;

src/CommonPicker.tsx

@@ -7,20 +7,14 @@ import React, {Component} from 'react';
 import {
     StyleSheet,
     View,
-    Text,
-    Animated,
-    Platform,
-    Dimensions,
-    PickerIOS,
-    ViewPropTypes, StyleProp, ViewStyle, TextStyle,
 } from 'react-native';
 //@ts-ignore
 import WheelCurvedPicker from '../WheelCurvedPicker';
 import PickerHeader from './PickerHeader';
 import {ICommonPickerProps as IProps} from '../types';
 import {isIPhoneX} from './utils';
 
-const Picker = (Platform.OS === 'ios' ? PickerIOS : WheelCurvedPicker)
+const Picker = WheelCurvedPicker;
 let PickerItem = Picker.Item;