react-native/RNTester/js/TouchableExample.js

569 lines
15 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
*/
'use strict';
const React = require('react');
const ReactNative = require('react-native');
const {
Animated,
Image,
StyleSheet,
Text,
TouchableHighlight,
TouchableOpacity,
Platform,
TouchableNativeFeedback,
TouchableWithoutFeedback,
View,
} = ReactNative;
const NativeModules = require('NativeModules');
const forceTouchAvailable =
(NativeModules.PlatformConstants &&
NativeModules.PlatformConstants.forceTouchAvailable) ||
false;
class TouchableHighlightBox extends React.Component<{}, $FlowFixMeState> {
state = {
timesPressed: 0,
};
touchableOnPress = () => {
this.setState({
timesPressed: this.state.timesPressed + 1,
});
};
render() {
let textLog = '';
if (this.state.timesPressed > 1) {
textLog = this.state.timesPressed + 'x TouchableHighlight onPress';
} else if (this.state.timesPressed > 0) {
textLog = 'TouchableHighlight onPress';
}
return (
<View>
<View style={styles.row}>
<TouchableHighlight
style={styles.wrapper}
testID="touchable_highlight_image_button"
onPress={this.touchableOnPress}>
<Image source={heartImage} style={styles.image} />
</TouchableHighlight>
<TouchableHighlight
style={styles.wrapper}
testID="touchable_highlight_text_button"
activeOpacity={1}
tvParallaxProperties={{
pressMagnification: 1.3,
pressDuration: 0.6,
}}
underlayColor="rgb(210, 230, 255)"
onPress={this.touchableOnPress}>
<View style={styles.wrapperCustom}>
<Text style={styles.text}>Tap Here For Custom Highlight!</Text>
</View>
</TouchableHighlight>
</View>
<View style={styles.logBox}>
<Text testID="touchable_highlight_console">{textLog}</Text>
</View>
</View>
);
}
}
class TouchableWithoutFeedbackBox extends React.Component<{}, $FlowFixMeState> {
state = {
timesPressed: 0,
};
textOnPress = () => {
this.setState({
timesPressed: this.state.timesPressed + 1,
});
};
render() {
let textLog = '';
if (this.state.timesPressed > 1) {
textLog = this.state.timesPressed + 'x TouchableWithoutFeedback onPress';
} else if (this.state.timesPressed > 0) {
textLog = 'TouchableWithoutFeedback onPress';
}
return (
<View>
<TouchableWithoutFeedback
onPress={this.textOnPress}
testID="touchable_without_feedback_button">
<View style={styles.wrapperCustom}>
<Text style={styles.text}>Tap Here For No Feedback!</Text>
</View>
</TouchableWithoutFeedback>
<View style={styles.logBox}>
<Text testID="touchable_without_feedback_console">{textLog}</Text>
</View>
</View>
);
}
}
class TextOnPressBox extends React.Component<{}, $FlowFixMeState> {
state = {
timesPressed: 0,
};
textOnPress = () => {
this.setState({
timesPressed: this.state.timesPressed + 1,
});
};
render() {
let textLog = '';
if (this.state.timesPressed > 1) {
textLog = this.state.timesPressed + 'x text onPress';
} else if (this.state.timesPressed > 0) {
textLog = 'text onPress';
}
return (
<View>
<Text
style={styles.textBlock}
testID="tappable_text"
onPress={this.textOnPress}>
Text has built-in onPress handling
</Text>
<View style={styles.logBox}>
<Text testID="tappable_text_console">{textLog}</Text>
</View>
</View>
);
}
}
class TouchableFeedbackEvents extends React.Component<{}, $FlowFixMeState> {
state = {
eventLog: [],
};
render() {
return (
<View testID="touchable_feedback_events">
<View style={[styles.row, styles.centered]}>
<TouchableOpacity
style={styles.wrapper}
testID="touchable_feedback_events_button"
accessibilityLabel="touchable feedback events"
accessibilityRole="button"
onPress={() => this._appendEvent('press')}
onPressIn={() => this._appendEvent('pressIn')}
onPressOut={() => this._appendEvent('pressOut')}
onLongPress={() => this._appendEvent('longPress')}>
<Text style={styles.button}>Press Me</Text>
</TouchableOpacity>
</View>
<View
testID="touchable_feedback_events_console"
style={styles.eventLogBox}>
{this.state.eventLog.map((e, ii) => <Text key={ii}>{e}</Text>)}
</View>
</View>
);
}
_appendEvent = eventName => {
const limit = 6;
const eventLog = this.state.eventLog.slice(0, limit - 1);
eventLog.unshift(eventName);
this.setState({eventLog});
};
}
class TouchableDelayEvents extends React.Component<{}, $FlowFixMeState> {
state = {
eventLog: [],
};
render() {
return (
<View testID="touchable_delay_events">
<View style={[styles.row, styles.centered]}>
<TouchableOpacity
style={styles.wrapper}
testID="touchable_delay_events_button"
onPress={() => this._appendEvent('press')}
delayPressIn={400}
onPressIn={() => this._appendEvent('pressIn - 400ms delay')}
delayPressOut={1000}
onPressOut={() => this._appendEvent('pressOut - 1000ms delay')}
delayLongPress={800}
onLongPress={() => this._appendEvent('longPress - 800ms delay')}>
<Text style={styles.button}>Press Me</Text>
</TouchableOpacity>
</View>
<View
style={styles.eventLogBox}
testID="touchable_delay_events_console">
{this.state.eventLog.map((e, ii) => <Text key={ii}>{e}</Text>)}
</View>
</View>
);
}
_appendEvent = eventName => {
const limit = 6;
const eventLog = this.state.eventLog.slice(0, limit - 1);
eventLog.unshift(eventName);
this.setState({eventLog});
};
}
class ForceTouchExample extends React.Component<{}, $FlowFixMeState> {
state = {
force: 0,
};
_renderConsoleText = () => {
return forceTouchAvailable
? 'Force: ' + this.state.force.toFixed(3)
: '3D Touch is not available on this device';
};
render() {
return (
<View testID="touchable_3dtouch_event">
<View style={styles.forceTouchBox} testID="touchable_3dtouch_output">
<Text>{this._renderConsoleText()}</Text>
</View>
<View style={[styles.row, styles.centered]}>
<View
style={styles.wrapper}
testID="touchable_3dtouch_button"
onStartShouldSetResponder={() => true}
onResponderMove={event =>
this.setState({force: event.nativeEvent.force})
}
onResponderRelease={event => this.setState({force: 0})}>
<Text style={styles.button}>Press Me</Text>
</View>
</View>
</View>
);
}
}
class TouchableHitSlop extends React.Component<{}, $FlowFixMeState> {
state = {
timesPressed: 0,
};
onPress = () => {
this.setState({
timesPressed: this.state.timesPressed + 1,
});
};
render() {
let log = '';
if (this.state.timesPressed > 1) {
log = this.state.timesPressed + 'x onPress';
} else if (this.state.timesPressed > 0) {
log = 'onPress';
}
return (
<View testID="touchable_hit_slop">
<View style={[styles.row, styles.centered]}>
<TouchableOpacity
onPress={this.onPress}
style={styles.hitSlopWrapper}
hitSlop={{top: 30, bottom: 30, left: 60, right: 60}}
testID="touchable_hit_slop_button">
<Text style={styles.hitSlopButton}>Press Outside This View</Text>
</TouchableOpacity>
</View>
<View style={styles.logBox}>
<Text>{log}</Text>
</View>
</View>
);
}
}
class TouchableDisabled extends React.Component<{}> {
render() {
return (
<View>
<TouchableOpacity disabled={true} style={[styles.row, styles.block]}>
<Text style={styles.disabledButton}>Disabled TouchableOpacity</Text>
</TouchableOpacity>
<TouchableOpacity disabled={false} style={[styles.row, styles.block]}>
<Text style={styles.button}>Enabled TouchableOpacity</Text>
</TouchableOpacity>
<TouchableHighlight
activeOpacity={1}
disabled={true}
underlayColor="rgb(210, 230, 255)"
style={[styles.row, styles.block]}
onPress={() => console.log('custom THW text - highlight')}>
<Text style={styles.disabledButton}>Disabled TouchableHighlight</Text>
</TouchableHighlight>
<TouchableHighlight
activeOpacity={1}
underlayColor="rgb(210, 230, 255)"
style={[styles.row, styles.block]}
onPress={() => console.log('custom THW text - highlight')}>
<Text style={styles.button}>Enabled TouchableHighlight</Text>
</TouchableHighlight>
<TouchableWithoutFeedback
onPress={() => console.log('TWOF has been clicked')}
disabled={true}>
<View style={styles.wrapperCustom}>
<Text
style={[
styles.button,
styles.nativeFeedbackButton,
styles.disabledButton,
]}>
Disabled TouchableWithoutFeedback
</Text>
</View>
</TouchableWithoutFeedback>
<TouchableWithoutFeedback
onPress={() => console.log('TWOF has been clicked')}
disabled={false}>
<View style={styles.wrapperCustom}>
<Text style={[styles.button, styles.nativeFeedbackButton]}>
Enabled TouchableWithoutFeedback
</Text>
</View>
</TouchableWithoutFeedback>
{Platform.OS === 'android' && (
<TouchableNativeFeedback
style={[styles.row, styles.block]}
onPress={() => console.log('custom TNF has been clicked')}
background={TouchableNativeFeedback.SelectableBackground()}>
<View>
<Text style={[styles.button, styles.nativeFeedbackButton]}>
Enabled TouchableNativeFeedback
</Text>
</View>
</TouchableNativeFeedback>
)}
{Platform.OS === 'android' && (
<TouchableNativeFeedback
disabled={true}
style={[styles.row, styles.block]}
onPress={() => console.log('custom TNF has been clicked')}
background={TouchableNativeFeedback.SelectableBackground()}>
<View>
<Text
style={[styles.disabledButton, styles.nativeFeedbackButton]}>
Disabled TouchableNativeFeedback
</Text>
</View>
</TouchableNativeFeedback>
)}
</View>
);
}
}
const heartImage = {
uri: 'https://pbs.twimg.com/media/BlXBfT3CQAA6cVZ.png:small',
};
const styles = StyleSheet.create({
row: {
justifyContent: 'center',
flexDirection: 'row',
},
centered: {
justifyContent: 'center',
},
image: {
width: 50,
height: 50,
},
text: {
fontSize: 16,
},
block: {
padding: 10,
},
button: {
color: '#007AFF',
},
disabledButton: {
color: '#007AFF',
opacity: 0.5,
},
nativeFeedbackButton: {
textAlign: 'center',
margin: 10,
},
hitSlopButton: {
color: 'white',
},
wrapper: {
borderRadius: 8,
},
wrapperCustom: {
borderRadius: 8,
padding: 6,
},
hitSlopWrapper: {
backgroundColor: 'red',
marginVertical: 30,
},
logBox: {
padding: 20,
margin: 10,
borderWidth: StyleSheet.hairlineWidth,
borderColor: '#f0f0f0',
backgroundColor: '#f9f9f9',
},
eventLogBox: {
padding: 10,
margin: 10,
height: 120,
borderWidth: StyleSheet.hairlineWidth,
borderColor: '#f0f0f0',
backgroundColor: '#f9f9f9',
},
forceTouchBox: {
padding: 10,
margin: 10,
borderWidth: StyleSheet.hairlineWidth,
borderColor: '#f0f0f0',
backgroundColor: '#f9f9f9',
alignItems: 'center',
},
textBlock: {
fontWeight: '500',
color: 'blue',
},
});
exports.displayName = (undefined: ?string);
exports.description = 'Touchable and onPress examples.';
exports.title = '<Touchable*> and onPress';
exports.examples = [
{
title: '<TouchableHighlight>',
description:
'TouchableHighlight works by adding an extra view with a ' +
'black background under the single child view. This works best when the ' +
'child view is fully opaque, although it can be made to work as a simple ' +
'background color change as well with the activeOpacity and ' +
'underlayColor props.',
render: function() {
return <TouchableHighlightBox />;
},
},
{
title: '<TouchableWithoutFeedback>',
render: function() {
return <TouchableWithoutFeedbackBox />;
},
},
{
title: 'TouchableNativeFeedback with Animated child',
description:
'TouchableNativeFeedback can have an AnimatedComponent as a' +
'direct child.',
platform: 'android',
render: function() {
const mScale = new Animated.Value(1);
Animated.timing(mScale, {toValue: 0.3, duration: 1000}).start();
const style = {
backgroundColor: 'rgb(180, 64, 119)',
width: 200,
height: 100,
transform: [{scale: mScale}],
};
return (
<View>
<View style={styles.row}>
<TouchableNativeFeedback>
<Animated.View style={style} />
</TouchableNativeFeedback>
</View>
</View>
);
},
},
{
title: '<Text onPress={fn}> with highlight',
render: function(): React.Element<any> {
return <TextOnPressBox />;
},
},
{
title: 'Touchable feedback events',
description:
'<Touchable*> components accept onPress, onPressIn, ' +
'onPressOut, and onLongPress as props.',
render: function(): React.Element<any> {
return <TouchableFeedbackEvents />;
},
},
{
title: 'Touchable delay for events',
description:
'<Touchable*> components also accept delayPressIn, ' +
'delayPressOut, and delayLongPress as props. These props impact the ' +
'timing of feedback events.',
render: function(): React.Element<any> {
return <TouchableDelayEvents />;
},
},
{
title: '3D Touch / Force Touch',
description:
'iPhone 6s and 6s plus support 3D touch, which adds a force property to touches',
render: function(): React.Element<any> {
return <ForceTouchExample />;
},
platform: 'ios',
},
{
title: 'Touchable Hit Slop',
description:
'<Touchable*> components accept hitSlop prop which extends the touch area ' +
'without changing the view bounds.',
render: function(): React.Element<any> {
return <TouchableHitSlop />;
},
},
{
title: 'Disabled Touchable*',
description:
'<Touchable*> components accept disabled prop which prevents ' +
'any interaction with component',
render: function(): React.Element<any> {
return <TouchableDisabled />;
},
},
];