ReactNativeでHTMLでいうSELECT・OPTIONタグです。
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<Picker selectedValue={this.state.language} style={{height: 50, width: 100}} onValueChange={(itemValue, itemIndex) => this.setState({language: itemValue}) }> <Picker.Item label="Java" value="java" /> <Picker.Item label="JavaScript" value="js" /> </Picker> |