react-native-mentions 
Mentions textbox for React Native. Works on both ios and android.
Installation
npm install --save react-native-mentions
Usage
import {MentionsTextInput} from 'react-native-mentions';
<MentionsTextInput
textInputStyle={{ borderColor: '#ebebeb', borderWidth: 1, padding: 5, fontSize: 15 }}
textInputMinHeight={35}
textInputMaxHeight={85}
returnKeyType={'send'}
trigger={'@'}
value={this.state.value}
onChangeText={(val) => { this.setState({ value: val }) } }
suggestionsPanelHeight={45}
renderSuggestionsRow={this.renderSuggestionsRow.bind(this)}
suggestionsPanelStyle={{ backgroundColor: 'rgba(100,100,100,0.1)' }}
suggestionsDataSource={this.state.ds}
triggerCallback={this.callback.bind(this)}
onKeyPress={(e) => { e.nativeEvent.key == "Enter" ? console.log("ENTER") : false } }
/>Example
Check full example in the sampleApp folder.
License
MIT License. © Harshana Abeyaratne