89 строки
2.0 KiB
JavaScript
89 строки
2.0 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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const React = require('react');
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const ReactNative = require('react-native');
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const {Platform, View, Text, TouchableOpacity, TVEventHandler} = ReactNative;
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type Props = $ReadOnly<{||}>;
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type State = {|lastEventType: string|};
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class TVEventHandlerView extends React.Component<Props, State> {
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constructor(props: Props) {
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super(props);
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this.state = {
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lastEventType: '',
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};
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}
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_tvEventHandler: any;
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_enableTVEventHandler() {
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this._tvEventHandler = new TVEventHandler();
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this._tvEventHandler.enable(this, function(cmp, evt) {
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cmp.setState({
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lastEventType: evt.eventType,
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});
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});
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}
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_disableTVEventHandler() {
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if (this._tvEventHandler) {
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this._tvEventHandler.disable();
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delete this._tvEventHandler;
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}
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}
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componentDidMount() {
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this._enableTVEventHandler();
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}
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componentWillUnmount() {
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this._disableTVEventHandler();
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}
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render() {
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if (Platform.isTV) {
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return (
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<View>
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<TouchableOpacity onPress={() => {}}>
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<Text>
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This example enables an instance of TVEventHandler to show the
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last event detected from the Apple TV Siri remote or from a
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keyboard.
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</Text>
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</TouchableOpacity>
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<Text style={{color: 'blue'}}>{this.state.lastEventType}</Text>
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</View>
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);
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} else {
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return (
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<View>
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<Text>This example is intended to be run on Apple TV.</Text>
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</View>
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);
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}
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}
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}
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exports.framework = 'React';
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exports.title = 'TVEventHandler example';
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exports.description = 'iOS alerts and action sheets';
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exports.examples = [
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{
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title: 'TVEventHandler',
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render() {
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return <TVEventHandlerView />;
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},
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},
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];
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