452 lines
12 KiB
JavaScript
452 lines
12 KiB
JavaScript
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* The examples provided by Facebook are for non-commercial testing and
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* evaluation purposes only.
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*
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* Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* @flow
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*/
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'use strict';
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var React = require('react');
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var ReactNative = require('react-native');
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var {
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PixelRatio,
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Image,
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StyleSheet,
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Text,
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TouchableHighlight,
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TouchableOpacity,
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UIManager,
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Platform,
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TouchableNativeFeedback,
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View,
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} = ReactNative;
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exports.displayName = (undefined: ?string);
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exports.description = 'Touchable and onPress examples.';
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exports.title = '<Touchable*> and onPress';
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exports.examples = [
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{
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title: '<TouchableHighlight>',
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description: 'TouchableHighlight works by adding an extra view with a ' +
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'black background under the single child view. This works best when the ' +
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'child view is fully opaque, although it can be made to work as a simple ' +
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'background color change as well with the activeOpacity and ' +
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'underlayColor props.',
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render: function() {
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return (
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<View>
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<View style={styles.row}>
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<TouchableHighlight
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style={styles.wrapper}
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onPress={() => console.log('stock THW image - highlight')}>
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<Image
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source={heartImage}
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style={styles.image}
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/>
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</TouchableHighlight>
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<TouchableHighlight
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style={styles.wrapper}
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activeOpacity={1}
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animationVelocity={0}
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underlayColor="rgb(210, 230, 255)"
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onPress={() => console.log('custom THW text - highlight')}>
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<View style={styles.wrapperCustom}>
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<Text style={styles.text}>
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Tap Here For Custom Highlight!
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</Text>
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</View>
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</TouchableHighlight>
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</View>
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</View>
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);
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},
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}, {
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title: '<Text onPress={fn}> with highlight',
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render: function(): React.Element<*> {
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return <TextOnPressBox />;
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},
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}, {
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title: 'Touchable feedback events',
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description: '<Touchable*> components accept onPress, onPressIn, ' +
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'onPressOut, and onLongPress as props.',
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render: function(): React.Element<*> {
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return <TouchableFeedbackEvents />;
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},
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}, {
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title: 'Touchable delay for events',
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description: '<Touchable*> components also accept delayPressIn, ' +
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'delayPressOut, and delayLongPress as props. These props impact the ' +
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'timing of feedback events.',
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render: function(): React.Element<*> {
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return <TouchableDelayEvents />;
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},
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}, {
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title: '3D Touch / Force Touch',
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description: 'iPhone 6s and 6s plus support 3D touch, which adds a force property to touches',
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render: function(): React.Element<*> {
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return <ForceTouchExample />;
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},
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platform: 'ios',
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}, {
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title: 'Touchable Hit Slop',
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description: '<Touchable*> components accept hitSlop prop which extends the touch area ' +
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'without changing the view bounds.',
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render: function(): React.Element<*> {
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return <TouchableHitSlop />;
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},
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}, {
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title: 'Disabled Touchable*',
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description: '<Touchable*> components accept disabled prop which prevents ' +
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'any interaction with component',
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render: function(): React.Element<*> {
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return <TouchableDisabled />;
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},
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}];
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class TextOnPressBox extends React.Component {
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state = {
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timesPressed: 0,
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};
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textOnPress = () => {
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this.setState({
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timesPressed: this.state.timesPressed + 1,
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});
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};
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render() {
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var textLog = '';
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if (this.state.timesPressed > 1) {
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textLog = this.state.timesPressed + 'x text onPress';
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} else if (this.state.timesPressed > 0) {
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textLog = 'text onPress';
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}
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return (
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<View>
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<Text
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style={styles.textBlock}
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onPress={this.textOnPress}>
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Text has built-in onPress handling
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</Text>
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<View style={styles.logBox}>
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<Text>
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{textLog}
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</Text>
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</View>
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</View>
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);
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}
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}
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class TouchableFeedbackEvents extends React.Component {
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state = {
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eventLog: [],
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};
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render() {
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return (
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<View testID="touchable_feedback_events">
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<View style={[styles.row, {justifyContent: 'center'}]}>
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<TouchableOpacity
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style={styles.wrapper}
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testID="touchable_feedback_events_button"
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accessibilityLabel="touchable feedback events"
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accessibilityTraits="button"
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accessibilityComponentType="button"
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onPress={() => this._appendEvent('press')}
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onPressIn={() => this._appendEvent('pressIn')}
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onPressOut={() => this._appendEvent('pressOut')}
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onLongPress={() => this._appendEvent('longPress')}>
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<Text style={styles.button}>
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Press Me
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</Text>
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</TouchableOpacity>
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</View>
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<View testID="touchable_feedback_events_console" style={styles.eventLogBox}>
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{this.state.eventLog.map((e, ii) => <Text key={ii}>{e}</Text>)}
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</View>
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</View>
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);
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}
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_appendEvent = (eventName) => {
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var limit = 6;
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var eventLog = this.state.eventLog.slice(0, limit - 1);
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eventLog.unshift(eventName);
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this.setState({eventLog});
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};
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}
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class TouchableDelayEvents extends React.Component {
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state = {
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eventLog: [],
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};
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render() {
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return (
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<View testID="touchable_delay_events">
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<View style={[styles.row, {justifyContent: 'center'}]}>
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<TouchableOpacity
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style={styles.wrapper}
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testID="touchable_delay_events_button"
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onPress={() => this._appendEvent('press')}
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delayPressIn={400}
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onPressIn={() => this._appendEvent('pressIn - 400ms delay')}
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delayPressOut={1000}
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onPressOut={() => this._appendEvent('pressOut - 1000ms delay')}
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delayLongPress={800}
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onLongPress={() => this._appendEvent('longPress - 800ms delay')}>
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<Text style={styles.button}>
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Press Me
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</Text>
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</TouchableOpacity>
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</View>
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<View style={styles.eventLogBox} testID="touchable_delay_events_console">
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{this.state.eventLog.map((e, ii) => <Text key={ii}>{e}</Text>)}
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</View>
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</View>
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);
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}
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_appendEvent = (eventName) => {
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var limit = 6;
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var eventLog = this.state.eventLog.slice(0, limit - 1);
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eventLog.unshift(eventName);
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this.setState({eventLog});
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};
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}
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class ForceTouchExample extends React.Component {
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state = {
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force: 0,
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};
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_renderConsoleText = () => {
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return View.forceTouchAvailable ?
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'Force: ' + this.state.force.toFixed(3) :
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'3D Touch is not available on this device';
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};
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render() {
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return (
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<View testID="touchable_3dtouch_event">
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<View style={styles.forceTouchBox} testID="touchable_3dtouch_output">
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<Text>{this._renderConsoleText()}</Text>
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</View>
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<View style={[styles.row, {justifyContent: 'center'}]}>
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<View
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style={styles.wrapper}
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testID="touchable_3dtouch_button"
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onStartShouldSetResponder={() => true}
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onResponderMove={(event) => this.setState({force: event.nativeEvent.force})}
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onResponderRelease={(event) => this.setState({force: 0})}>
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<Text style={styles.button}>
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Press Me
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</Text>
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</View>
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</View>
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</View>
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);
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}
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}
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class TouchableHitSlop extends React.Component {
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state = {
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timesPressed: 0,
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};
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onPress = () => {
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this.setState({
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timesPressed: this.state.timesPressed + 1,
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});
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};
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render() {
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var log = '';
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if (this.state.timesPressed > 1) {
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log = this.state.timesPressed + 'x onPress';
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} else if (this.state.timesPressed > 0) {
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log = 'onPress';
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}
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return (
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<View testID="touchable_hit_slop">
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<View style={[styles.row, {justifyContent: 'center'}]}>
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<TouchableOpacity
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onPress={this.onPress}
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style={styles.hitSlopWrapper}
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hitSlop={{top: 30, bottom: 30, left: 60, right: 60}}
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testID="touchable_hit_slop_button">
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<Text style={styles.hitSlopButton}>
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Press Outside This View
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</Text>
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</TouchableOpacity>
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</View>
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<View style={styles.logBox}>
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<Text>
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{log}
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</Text>
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</View>
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</View>
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);
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}
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}
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class TouchableDisabled extends React.Component {
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render() {
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return (
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<View>
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<TouchableOpacity disabled={true} style={[styles.row, styles.block]}>
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<Text style={styles.disabledButton}>Disabled TouchableOpacity</Text>
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</TouchableOpacity>
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<TouchableOpacity disabled={false} style={[styles.row, styles.block]}>
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<Text style={styles.button}>Enabled TouchableOpacity</Text>
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</TouchableOpacity>
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<TouchableHighlight
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activeOpacity={1}
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disabled={true}
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animationVelocity={0}
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underlayColor="rgb(210, 230, 255)"
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style={[styles.row, styles.block]}
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onPress={() => console.log('custom THW text - highlight')}>
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<Text style={styles.disabledButton}>
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Disabled TouchableHighlight
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</Text>
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</TouchableHighlight>
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<TouchableHighlight
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activeOpacity={1}
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animationVelocity={0}
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underlayColor="rgb(210, 230, 255)"
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style={[styles.row, styles.block]}
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onPress={() => console.log('custom THW text - highlight')}>
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<Text style={styles.button}>
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Enabled TouchableHighlight
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</Text>
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</TouchableHighlight>
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{Platform.OS === 'android' &&
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<TouchableNativeFeedback
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style={[styles.row, styles.block]}
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onPress={() => console.log('custom TNF has been clicked')}
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background={TouchableNativeFeedback.SelectableBackground()}>
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<View>
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<Text style={[styles.button, styles.nativeFeedbackButton]}>
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Enabled TouchableNativeFeedback
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</Text>
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</View>
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</TouchableNativeFeedback>
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}
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{Platform.OS === 'android' &&
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<TouchableNativeFeedback
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disabled={true}
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style={[styles.row, styles.block]}
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onPress={() => console.log('custom TNF has been clicked')}
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background={TouchableNativeFeedback.SelectableBackground()}>
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<View>
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<Text style={[styles.disabledButton, styles.nativeFeedbackButton]}>
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Disabled TouchableNativeFeedback
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</Text>
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</View>
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</TouchableNativeFeedback>
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}
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</View>
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);
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}
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}
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var heartImage = {uri: 'https://pbs.twimg.com/media/BlXBfT3CQAA6cVZ.png:small'};
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var styles = StyleSheet.create({
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row: {
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justifyContent: 'center',
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flexDirection: 'row',
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},
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icon: {
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width: 24,
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height: 24,
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},
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image: {
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width: 50,
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height: 50,
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},
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text: {
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fontSize: 16,
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},
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block: {
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padding: 10,
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},
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button: {
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color: '#007AFF',
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},
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disabledButton: {
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color: '#007AFF',
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opacity: 0.5,
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},
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nativeFeedbackButton: {
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textAlign: 'center',
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margin: 10,
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},
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hitSlopButton: {
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color: 'white',
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},
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wrapper: {
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borderRadius: 8,
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},
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wrapperCustom: {
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borderRadius: 8,
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padding: 6,
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},
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hitSlopWrapper: {
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backgroundColor: 'red',
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marginVertical: 30,
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},
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logBox: {
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padding: 20,
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margin: 10,
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borderWidth: StyleSheet.hairlineWidth,
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borderColor: '#f0f0f0',
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backgroundColor: '#f9f9f9',
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},
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eventLogBox: {
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padding: 10,
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margin: 10,
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height: 120,
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borderWidth: StyleSheet.hairlineWidth,
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borderColor: '#f0f0f0',
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backgroundColor: '#f9f9f9',
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},
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forceTouchBox: {
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padding: 10,
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margin: 10,
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borderWidth: StyleSheet.hairlineWidth,
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borderColor: '#f0f0f0',
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backgroundColor: '#f9f9f9',
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alignItems: 'center',
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},
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textBlock: {
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fontWeight: '500',
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color: 'blue',
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},
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});
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