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37 lines
8.2 KiB
HTML
<!DOCTYPE html><html><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><title>React Native | Build Native Apps Using React</title><meta name="viewport" content="width=device-width"><meta property="og:title" content="React Native | Build Native Apps Using React"><meta property="og:type" content="website"><meta property="og:url" content="http://facebook.github.io/react-native/index.html"><meta property="og:image" content="http://facebook.github.io/react-native/img/opengraph.png"><meta property="og:description" content="Build Native Apps Using React"><link rel="shortcut icon" href="/react-native/img/favicon.png"><link rel="stylesheet" href="/react-native/css/react-native.css"><script type="text/javascript" src="//use.typekit.net/vqa1hcx.js"></script><script type="text/javascript">try{Typekit.load();}catch(e){}</script></head><body><div class="container"><div class="nav-main"><div class="wrap"><a class="nav-home" href="/react-native/"><img src="/react-native/img/logo.png">React Native</a><ul class="nav-site"><li><a href="/react-native/docs/getting-started.html#content" class="active">docs</a></li><li><a href="/react-native/support.html" class="">support</a></li><li><a href="http://github.com/facebook/react-native" class="">github</a></li></ul></div></div><section class="content wrap documentationContent"><div class="nav-docs"><div class="nav-docs-section"><h3>Quick Start</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/getting-started.html#content">Getting Started</a></li></ul></div><div class="nav-docs-section"><h3>Guides</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/network.html#content">Network</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/pixels.html#content">Physical vs Logical Pixels</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/style.html#content">Style</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/timers.html#content">Timers</a></li></ul></div><div class="nav-docs-section"><h3>components</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/activityindicatorios.html#content">ActivityIndicatorIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/datepickerios.html#content">DatePickerIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/expandingtext.html#content">ExpandingText</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/image.html#content">Image</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/listview.html#content">ListView</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/mapview.html#content">MapView</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/navigatorios.html#content">NavigatorIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/pickerios.html#content">PickerIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/scrollview.html#content">ScrollView</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/slider.html#content">Slider</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/switchios.html#content">SwitchIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/tabbarios.html#content">TabBarIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/text.html#content">Text</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/textinput.html#content">TextInput</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/touchablehighlight.html#content">TouchableHighlight</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/touchableopacity.html#content">TouchableOpacity</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/touchablewithoutfeedback.html#content">TouchableWithoutFeedback</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/view.html#content">View</a></li></ul></div><div class="nav-docs-section"><h3>apis</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/animation.html#content">Animation</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/appregistry.html#content">AppRegistry</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/appstate.html#content">AppState</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/appstateios.html#content">AppStateIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/asyncstorage.html#content">AsyncStorage</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/cameraroll.html#content">CameraRoll</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/layoutanimation.html#content">LayoutAnimation</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/pixelratio.html#content">PixelRatio</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/statusbarios.html#content">StatusBarIOS</a></li><li><a style="margin-left:0;" class="active" href="/react-native/docs/stylesheet.html#content">StyleSheet</a></li></ul></div></div><div class="inner-content"><a id="content"></a><h1>StyleSheet</h1><div><div><p>A StyleSheet is an abstraction similar to CSS StyleSheets</p><p>Create a new StyleSheet:</p><p>var styles = StyleSheet.create({
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container: {
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borderRadius: 4,
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borderWidth: 0.5,
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borderColor: '#d6d7da',
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},
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title: {
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fontSize: 19,
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fontWeight: 'bold',
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},
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activeTitle: {
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color: 'red',
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},
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})</p><p>Use a StyleSheet:</p><View style={styles.container}>
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<Text style={[styles.title, this.props.isActive && styles.activeTitle]} />
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</View>
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<p>Code quality:
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- By moving styles away from the render function, you're making the code
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code easier to understand.
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- Naming the styles is a good way to add meaning to the low level components
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in the render function.</p><p>Performance:
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- Making a stylesheet from a style object makes it possible to refer to it
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by ID instead of creating a new style object every time.
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- It also allows to send the style only once through the bridge. All
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subsequent uses are going to refer an id (not implemented yet).</p></div><h3><a class="anchor" name="methods"></a>Methods <a class="hash-link" href="#methods">#</a></h3><div class="props"><div class="prop"><h4 class="propTitle"><a class="anchor" name="create"></a><span class="propType">static </span>create(<span class="propType">obj</span>) <a class="hash-link" href="#create">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="validatestyleprop"></a><span class="propType">static </span>validateStyleProp(<span class="propType">prop, style, caller</span>) <a class="hash-link" href="#validatestyleprop">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="validatestyle"></a><span class="propType">static </span>validateStyle(<span class="propType">name, styles</span>) <a class="hash-link" href="#validatestyle">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="addvalidstyleproptypes"></a><span class="propType">static </span>addValidStylePropTypes(<span class="propType">stylePropTypes</span>) <a class="hash-link" href="#addvalidstyleproptypes">#</a></h4></div></div></div><noscript></noscript><div class="docs-prevnext"></div></div></section><footer class="wrap"><div class="right">© 2015 Facebook Inc.</div></footer></div><div id="fb-root"></div><script>
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