react-native-picker-android

PickerAndroid has PickerIOS interface in pure javascript

###Warn
if 0.14.2 <= react-native <=0.24 npm install react-native-picker-android@0.3.8 --save
if 0.24 < react-native npm install react-native-picker-android --save

###Documentation

####Props
- pickerStyle viewStylePropType
- itemStyle textStylePropType
- selectedValue any
- onValueChange function

####Methods
- moveUp when called, the wheel will go up, which will trigger onValueChange
- moveDown when called, the wheel will go down, which will trigger onValueChange too.

###Usage

####Step 1 - install

``
npm install react-native-picker-android --save
`

####Step 2 - import and use in project
`javascript
'use strict';

import React, {
View,
Text,
Platform,
PickerIOS
} from 'react-native';

import PickerAndroid from 'react-native-picker-android';

let Picker = Platform.OS === 'ios' ? PickerIOS : PickerAndroid;
let PickerItem = Picker.Item;

let CAR_MAKES_AND_MODELS = {
amc: {
name: 'AMC',
models: ['AMX', 'Concord', 'Eagle', 'Gremlin', 'Matador', 'Pacer'],
},
alfa: {
name: 'Alfa-Romeo',
models: ['159', '4C', 'Alfasud', 'Brera', 'GTV6', 'Giulia', 'MiTo', 'Spider'],
},
aston: {
name: 'Aston Martin',
models: ['DB5', 'DB9', 'DBS', 'Rapide', 'Vanquish', 'Vantage'],
},
audi: {
name: 'Audi',
models: ['90', '4000', '5000', 'A3', 'A4', 'A5', 'A6', 'A7', 'A8', 'Q5', 'Q7'],
},
austin: {
name: 'Austin',
models: ['America', 'Maestro', 'Maxi', 'Mini', 'Montego', 'Princess'],
},
borgward: {
name: 'Borgward',
models: ['Hansa', 'Isabella', 'P100'],
},
buick: {
name: 'Buick',
models: ['Electra', 'LaCrosse', 'LeSabre', 'Park Avenue', 'Regal', 'Roadmaster', 'Skylark'],
},
cadillac: {
name: 'Cadillac',
models: ['Catera', 'Cimarron', 'Eldorado', 'Fleetwood', 'Sedan de Ville'],
},
chevrolet: {
name: 'Chevrolet',
models: ['Astro', 'Aveo', 'Bel Air', 'Captiva', 'Cavalier', 'Chevelle', 'Corvair', 'Corvette', 'Cruze', 'Nova', 'SS', 'Vega', 'Volt'],
},
};

export default class SomeScene extends React.Component {

constructor(props, context){
super(props, context);
this.state = {
carMake: 'cadillac',
modelIndex: 3,
}
}

render() {
let make = CAR_MAKES_AND_MODELS[this.state.carMake];
let selectionString = make.name + ' ' + make.models[this.state.modelIndex];
return (

Please choose a make for your car:
selectedValue={this.state.carMake}
onValueChange={(carMake) => this.setState({carMake, modelIndex: 0})}>
{Object.keys(CAR_MAKES_AND_MODELS).map((carMake) => (
key={carMake}
value={carMake}
label={CAR_MAKES_AND_MODELS[carMake].name}
/>
))}

Please choose a model of {make.name}:
selectedValue={this.state.modelIndex}
key={this.state.carMake}
onValueChange={(modelIndex) => this.setState({modelIndex})}>
{CAR_MAKES_AND_MODELS[this.state.carMake].models.map((modelName, modelIndex) => (
key={this.state.carMake + '_' + modelIndex}
value={modelIndex}
label={modelName}
/>
))}

You selected: {selectionString}

);
}
};
``
!example