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TextExample.android.js
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TextExample.android.js
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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
* @providesModule TextExample
*/
'use strict';
var React = require('react');
var ReactNative = require('react-native');
var {
Image,
StyleSheet,
Text,
View,
} = ReactNative;
var RNTesterBlock = require('./RNTesterBlock');
var RNTesterPage = require('./RNTesterPage');
class Entity extends React.Component<$FlowFixMeProps> {
render() {
return (
<Text style={{fontWeight: 'bold', color: '#527fe4'}}>
{this.props.children}
</Text>
);
}
}
class AttributeToggler extends React.Component<{}, $FlowFixMeState> {
state = {fontWeight: 'bold', fontSize: 15};
toggleWeight = () => {
this.setState({
fontWeight: this.state.fontWeight === 'bold' ? 'normal' : 'bold'
});
};
increaseSize = () => {
this.setState({
fontSize: this.state.fontSize + 1
});
};
render() {
var curStyle = {fontWeight: this.state.fontWeight, fontSize: this.state.fontSize};
return (
<View>
<Text style={curStyle}>
Tap the controls below to change attributes.
</Text>
<Text>
<Text>See how it will even work on <Text style={curStyle}>this nested text</Text></Text>
</Text>
<Text>
<Text onPress={this.toggleWeight}>Toggle Weight</Text>
{' (with highlight onPress)'}
</Text>
<Text onPress={this.increaseSize} suppressHighlighting={true}>
Increase Size (suppressHighlighting true)
</Text>
</View>
);
}
}
class TextExample extends React.Component<{}> {
static title = '<Text>';
static description = 'Base component for rendering styled text.';
render() {
return (
<RNTesterPage title="<Text>">
<RNTesterBlock title="Wrap">
<Text>
The text should wrap if it goes on multiple lines.
See, this is going to the next line.
</Text>
</RNTesterBlock>
<RNTesterBlock title="Padding">
<Text style={{padding: 10}}>
This text is indented by 10px padding on all sides.
</Text>
</RNTesterBlock>
<RNTesterBlock title="Font Family">
<Text style={{fontFamily: 'sans-serif'}}>
Sans-Serif
</Text>
<Text style={{fontFamily: 'sans-serif', fontWeight: 'bold'}}>
Sans-Serif Bold
</Text>
<Text style={{fontFamily: 'serif'}}>
Serif
</Text>
<Text style={{fontFamily: 'serif', fontWeight: 'bold'}}>
Serif Bold
</Text>
<Text style={{fontFamily: 'monospace'}}>
Monospace
</Text>
<Text style={{fontFamily: 'monospace', fontWeight: 'bold'}}>
Monospace Bold (After 5.0)
</Text>
</RNTesterBlock>
<RNTesterBlock title="Android Material Design fonts">
<View style={{flexDirection: 'row', alignItems: 'flex-start'}}>
<View style={{flex: 1}}>
<Text style={{fontFamily: 'sans-serif'}}>
Roboto Regular
</Text>
<Text style={{fontFamily: 'sans-serif', fontStyle: 'italic'}}>
Roboto Italic
</Text>
<Text style={{fontFamily: 'sans-serif', fontWeight: 'bold'}}>
Roboto Bold
</Text>
<Text style={{fontFamily: 'sans-serif', fontStyle: 'italic', fontWeight: 'bold'}}>
Roboto Bold Italic
</Text>
<Text style={{fontFamily: 'sans-serif-light'}}>
Roboto Light
</Text>
<Text style={{fontFamily: 'sans-serif-light', fontStyle: 'italic'}}>
Roboto Light Italic
</Text>
<Text style={{fontFamily: 'sans-serif-thin'}}>
Roboto Thin (After 4.2)
</Text>
<Text style={{fontFamily: 'sans-serif-thin', fontStyle: 'italic'}}>
Roboto Thin Italic (After 4.2)
</Text>
<Text style={{fontFamily: 'sans-serif-condensed'}}>
Roboto Condensed
</Text>
<Text style={{fontFamily: 'sans-serif-condensed', fontStyle: 'italic'}}>
Roboto Condensed Italic
</Text>
<Text style={{fontFamily: 'sans-serif-condensed', fontWeight: 'bold'}}>
Roboto Condensed Bold
</Text>
<Text style={{
fontFamily: 'sans-serif-condensed',
fontStyle: 'italic',
fontWeight: 'bold'}}>
Roboto Condensed Bold Italic
</Text>
<Text style={{fontFamily: 'sans-serif-medium'}}>
Roboto Medium (After 5.0)
</Text>
<Text style={{fontFamily: 'sans-serif-medium', fontStyle: 'italic'}}>
Roboto Medium Italic (After 5.0)
</Text>
</View>
</View>
</RNTesterBlock>
<RNTesterBlock title="Custom Fonts">
<View style={{flexDirection: 'row', alignItems: 'flex-start'}}>
<View style={{flex: 1}}>
<Text style={{fontFamily: 'notoserif'}}>
NotoSerif Regular
</Text>
<Text style={{fontFamily: 'notoserif', fontStyle: 'italic', fontWeight: 'bold'}}>
NotoSerif Bold Italic
</Text>
<Text style={{fontFamily: 'notoserif', fontStyle: 'italic'}}>
NotoSerif Italic (Missing Font file)
</Text>
</View>
</View>
</RNTesterBlock>
<RNTesterBlock title="Font Size">
<Text style={{fontSize: 23}}>
Size 23
</Text>
<Text style={{fontSize: 8}}>
Size 8
</Text>
</RNTesterBlock>
<RNTesterBlock title="Color">
<Text style={{color: 'red'}}>
Red color
</Text>
<Text style={{color: 'blue'}}>
Blue color
</Text>
</RNTesterBlock>
<RNTesterBlock title="Font Weight">
<Text style={{fontWeight: 'bold'}}>
Move fast and be bold
</Text>
<Text style={{fontWeight: 'normal'}}>
Move fast and be bold
</Text>
</RNTesterBlock>
<RNTesterBlock title="Font Style">
<Text style={{fontStyle: 'italic'}}>
Move fast and be bold
</Text>
<Text style={{fontStyle: 'normal'}}>
Move fast and be bold
</Text>
</RNTesterBlock>
<RNTesterBlock title="Font Style and Weight">
<Text style={{fontStyle: 'italic', fontWeight: 'bold'}}>
Move fast and be bold
</Text>
</RNTesterBlock>
<RNTesterBlock title="Text Decoration">
<Text style={{textDecorationLine: 'underline'}}>
Solid underline
</Text>
<Text style={{textDecorationLine: 'none'}}>
None textDecoration
</Text>
<Text style={{textDecorationLine: 'line-through', textDecorationStyle: 'solid'}}>
Solid line-through
</Text>
<Text style={{textDecorationLine: 'underline line-through'}}>
Both underline and line-through
</Text>
<Text>
Mixed text with <Text style={{textDecorationLine: 'underline'}}>underline</Text> and <Text style={{textDecorationLine: 'line-through'}}>line-through</Text> text nodes
</Text>
</RNTesterBlock>
<RNTesterBlock title="Nested">
<Text onPress={() => console.log('1st')}>
(Normal text,
<Text style={{color: 'red', fontWeight: 'bold'}}>
(R)red
<Text style={{color: 'green', fontWeight: 'normal'}}>
(G)green
<Text style={{color: 'blue', fontWeight: 'bold'}}>
(B)blue
<Text style={{color: 'cyan', fontWeight: 'normal'}}>
(C)cyan
<Text style={{color: 'magenta', fontWeight: 'bold'}}>
(M)magenta
<Text style={{color: 'yellow', fontWeight: 'normal'}}>
(Y)yellow
<Text style={{color: 'black', fontWeight: 'bold'}}>
(K)black
</Text>
</Text>
</Text>
</Text>
</Text>
</Text>
</Text>
<Text style={{fontWeight: 'bold'}} onPress={() => console.log('2nd')}>
(and bold
<Text style={{fontStyle: 'italic', fontSize: 11, color: '#527fe4'}} onPress={() => console.log('3rd')}>
(and tiny bold italic blue
<Text style={{fontWeight: 'normal', fontStyle: 'normal'}} onPress={() => console.log('4th')}>
(and tiny normal blue)
</Text>
)
</Text>
)
</Text>
)
</Text>
<Text style={{fontFamily: 'serif'}} onPress={() => console.log('1st')}>
(Serif
<Text style={{fontStyle: 'italic', fontWeight: 'bold'}} onPress={() => console.log('2nd')}>
(Serif Bold Italic
<Text
style={{fontFamily: 'monospace', fontStyle: 'normal', fontWeight: 'normal'}}
onPress={() => console.log('3rd')}>
(Monospace Normal
<Text
style={{fontFamily: 'sans-serif', fontWeight: 'bold'}}
onPress={() => console.log('4th')}>
(Sans-Serif Bold
<Text style={{fontWeight: 'normal'}} onPress={() => console.log('5th')}>
(and Sans-Serif Normal)
</Text>
)
</Text>
)
</Text>
)
</Text>
)
</Text>
<Text style={{fontSize: 12}}>
<Entity>Entity Name</Entity>
</Text>
</RNTesterBlock>
<RNTesterBlock title="Text Align">
<Text>
auto (default) - english LTR
</Text>
<Text>
أحب اللغة العربية auto (default) - arabic RTL
</Text>
<Text style={{textAlign: 'left'}}>
left left left left left left left left left left left left left left left
</Text>
<Text style={{textAlign: 'center'}}>
center center center center center center center center center center center
</Text>
<Text style={{textAlign: 'right'}}>
right right right right right right right right right right right right right
</Text>
</RNTesterBlock>
<RNTesterBlock title="Unicode">
<View>
<View style={{flexDirection: 'row'}}>
<Text style={{backgroundColor: 'red'}}>
星际争霸是世界上最好的游戏。
</Text>
</View>
<View>
<Text style={{backgroundColor: 'red'}}>
星际争霸是世界上最好的游戏。
</Text>
</View>
<View style={{alignItems: 'center'}}>
<Text style={{backgroundColor: 'red'}}>
星际争霸是世界上最好的游戏。
</Text>
</View>
<View>
<Text style={{backgroundColor: 'red'}}>
星际争霸是世界上最好的游戏。星际争霸是世界上最好的游戏。星际争霸是世界上最好的游戏。星际争霸是世界上最好的游戏。
</Text>
</View>
</View>
</RNTesterBlock>
<RNTesterBlock title="Spaces">
<Text>
A {'generated'} {' '} {'string'} and some spaces
</Text>
</RNTesterBlock>
<RNTesterBlock title="Line Height">
<Text style={{lineHeight: 35}}>
Holisticly formulate inexpensive ideas before best-of-breed benefits. <Text style={{fontSize: 20}}>Continually</Text> expedite magnetic potentialities rather than client-focused interfaces.
</Text>
</RNTesterBlock>
<RNTesterBlock title="Letter Spacing">
<View>
<Text style={{letterSpacing: 0}}>
letterSpacing = 0
</Text>
<Text style={{letterSpacing: 2, marginTop: 5}}>
letterSpacing = 2
</Text>
<Text style={{letterSpacing: 9, marginTop: 5}}>
letterSpacing = 9
</Text>
<View style={{flexDirection: 'row'}}>
<Text style={{fontSize: 12, letterSpacing: 2, backgroundColor: 'fuchsia', marginTop: 5}}>
With size and background color
</Text>
</View>
<Text style={{letterSpacing: -1, marginTop: 5}}>
letterSpacing = -1
</Text>
<Text style={{letterSpacing: 3, backgroundColor: '#dddddd', marginTop: 5}}>
[letterSpacing = 3]
<Text style={{letterSpacing: 0, backgroundColor: '#bbbbbb'}}>
[Nested letterSpacing = 0]
</Text>
<Text style={{letterSpacing: 6, backgroundColor: '#eeeeee'}}>
[Nested letterSpacing = 6]
</Text>
</Text>
</View>
</RNTesterBlock>
<RNTesterBlock title="Empty Text">
<Text />
</RNTesterBlock>
<RNTesterBlock title="Toggling Attributes">
<AttributeToggler />
</RNTesterBlock>
<RNTesterBlock title="backgroundColor attribute">
<Text style={{backgroundColor: '#ffaaaa'}}>
Red background,
<Text style={{backgroundColor: '#aaaaff'}}>
{' '}blue background,
<Text>
{' '}inherited blue background,
<Text style={{backgroundColor: '#aaffaa'}}>
{' '}nested green background.
</Text>
</Text>
</Text>
</Text>
<Text style={{backgroundColor: 'rgba(100, 100, 100, 0.3)'}}>
Same alpha as background,
<Text>
Inherited alpha from background,
<Text style={{backgroundColor: 'rgba(100, 100, 100, 0.3)'}}>
Reapply alpha
</Text>
</Text>
</Text>
</RNTesterBlock>
<RNTesterBlock title="containerBackgroundColor attribute">
<View style={{flexDirection: 'row', height: 85}}>
<View style={{backgroundColor: '#ffaaaa', width: 150}} />
<View style={{backgroundColor: '#aaaaff', width: 150}} />
</View>
<Text style={[styles.backgroundColorText, {top: -80}]}>
Default containerBackgroundColor (inherited) + backgroundColor wash
</Text>
<Text style={[styles.backgroundColorText, {top: -70, backgroundColor: 'transparent'}]}>
{"containerBackgroundColor: 'transparent' + backgroundColor wash"}
</Text>
</RNTesterBlock>
<RNTesterBlock title="numberOfLines attribute">
<Text numberOfLines={1}>
Maximum of one line no matter now much I write here. If I keep writing it{"'"}ll just truncate after one line
</Text>
<Text numberOfLines={2} style={{marginTop: 20}}>
Maximum of two lines no matter now much I write here. If I keep writing it{"'"}ll just truncate after two lines
</Text>
<Text style={{marginTop: 20}}>
No maximum lines specified no matter now much I write here. If I keep writing it{"'"}ll just keep going and going
</Text>
</RNTesterBlock>
<RNTesterBlock title="selectable attribute">
<Text selectable>
This text is selectable if you click-and-hold, and will offer the native Android selection menus.
</Text>
</RNTesterBlock>
<RNTesterBlock title="selectionColor attribute">
<Text selectable selectionColor="orange">
This text will have a orange highlight on selection.
</Text>
</RNTesterBlock>
<RNTesterBlock title="Inline images">
<Text>
This text contains an inline image <Image source={require('./flux.png')}/>. Neat, huh?
</Text>
</RNTesterBlock>
<RNTesterBlock title="Text shadow">
<Text style={{fontSize: 20, textShadowOffset: {width: 2, height: 2}, textShadowRadius: 1, textShadowColor: '#00cccc'}}>
Demo text shadow
</Text>
</RNTesterBlock>
<RNTesterBlock title="Ellipsize mode">
<Text numberOfLines={1}>
This very long text should be truncated with dots in the end.
</Text>
<Text ellipsizeMode="middle" numberOfLines={1}>
This very long text should be truncated with dots in the middle.
</Text>
<Text ellipsizeMode="head" numberOfLines={1}>
This very long text should be truncated with dots in the beginning.
</Text>
</RNTesterBlock>
<RNTesterBlock title="Include Font Padding">
<View style={{flexDirection: 'row', justifyContent: 'space-around', marginBottom: 10}}>
<View style={{alignItems: 'center'}}>
<Text style={styles.includeFontPaddingText}>
Ey
</Text>
<Text>Default</Text>
</View>
<View style={{alignItems: 'center'}}>
<Text style={[styles.includeFontPaddingText, {includeFontPadding: false, marginLeft: 10}]}>
Ey
</Text>
<Text>includeFontPadding: false</Text>
</View>
</View>
<Text>By default Android will put extra space above text to allow for upper-case accents or other ascenders. With some fonts, this can make text look slightly misaligned when centered vertically.</Text>
</RNTesterBlock>
</RNTesterPage>
);
}
}
var styles = StyleSheet.create({
backgroundColorText: {
left: 5,
backgroundColor: 'rgba(100, 100, 100, 0.3)'
},
includeFontPaddingText: {
fontSize: 120,
fontFamily: 'sans-serif',
backgroundColor: '#EEEEEE',
color: '#000000',
textAlignVertical: 'center',
alignSelf: 'center',
}
});
module.exports = TextExample;