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<!DOCTYPE html><html><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><title>AlertIOS – React Native | A framework for building native apps using React</title><meta name="viewport" content="width=device-width"><meta property="og:title" content="AlertIOS – React Native | A framework for building 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?2"><meta property="og:description" content="A framework for building native apps using React"><base href="/react-native/"><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"><link rel="shortcut icon" href="img/favicon.png?2"><link rel="stylesheet" href="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=""><img src="img/header_logo.png">React Native</a><a class="nav-version" href="/react-native/versions.html">0.33</a><div class="nav-site-wrapper"><ul class="nav-site nav-site-internal"><li><a href="docs/getting-started.html" class="active" data-target=".nav-docs">Docs</a></li><li><a href="support.html" class="">Support</a></li><li><a href="showcase.html" class="">Showcase</a></li><li><a href="blog/" class="">Blog</a></li></ul><div class="algolia-search-wrapper"><input id="algolia-doc-search" tabindex="0" type="text" placeholder="Search docs..."></div><ul class="nav-site nav-site-external"><li><a href="https://github.com/facebook/react-native" class="">GitHub</a></li><li><a href="http://facebook.github.io/react" class="">React</a></li></ul></div></div></div><section class="content wrap documentationContent"><div class="nav-docs"><div class="nav-docs-viewport"><div class="nav-docs-section"><h3>The Basics</h3><ul><li><a style="margin-left:0;" class="" href="docs/getting-started.html">Getting Started</a></li><li><a style="margin-left:0;" class="" href="docs/tutorial.html">Tutorial</a></li><li><a style="margin-left:0;" class="" href="docs/props.html">Props</a></li><li><a style="margin-left:0;" class="" href="docs/state.html">State</a></li><li><a style="margin-left:0;" class="" href="docs/style.html">Style</a></li><li><a style="margin-left:0;" class="" href="docs/height-and-width.html">Height and Width</a></li><li><a style="margin-left:0;" class="" href="docs/flexbox.html">Layout with Flexbox</a></li><li><a style="margin-left:0;" class="" href="docs/handling-text-input.html">Handling Text Input</a></li><li><a style="margin-left:0;" class="" href="docs/using-a-scrollview.html">Using a ScrollView</a></li><li><a style="margin-left:0;" class="" href="docs/using-a-listview.html">Using a ListView</a></li><li><a style="margin-left:0;" class="" href="docs/network.html">Networking</a></li><li><a style="margin-left:0;" class="" href="docs/using-navigators.html">Using Navigators</a></li><li><a style="margin-left:0;" class="" href="docs/more-resources.html">More Resources</a></li></ul></div><div class="nav-docs-section"><h3>Guides</h3><ul><li><a style="margin-left:0;" class="" href="docs/integration-with-existing-apps.html">Integration With Existing Apps</a></li><li><a style="margin-left:0;" class="" href="docs/colors.html">Colors</a></li><li><a style="margin-left:0;" class="" href="docs/images.html">Images</a></li><li><a style="margin-left:0;" class="" href="docs/handling-touches.html">Handling Touches</a></li><li><a style="margin-left:0;" class="" href="docs/animations.html">Animations</a></li><li><a style="margin-left:0;" class="" href="docs/accessibility.html">Accessibility</a></li><li><a style="margin-left:0;" class="" href="docs/timers.html">Timers</a></li><li><a style="margin-left:0;" class="" href="docs/direct-manipulation.html">Direct Manipulation</a></li><li><a style="margin-left:0;" class="" href="docs/debugging.html">Debugging</a></li><li><a style="margin-left:0;" class="" href="docs/testing.html">Testing</a></li><li><a style="margin-left:0;" class="" href="docs/javascript-environment.html">JavaScript Environment</a></li><li><a style="margin-left:0;" class="" href="docs/navigation.html">Navigation</a></li><li><a style="margin-left:0;" class="" href="docs/performance.html">Performance</a></li><li><a style="margin-left:0;" class="" href="docs/upgrading.html">Upgrading</a></li><li><a style="margin-left:0;" class="" href="docs/platform-specific-code.html">Platform Specific Code</a></li><li><a style="margin-left:0;" class="" href="docs/gesture-responder-system.html">Gesture Responder System</a></li></ul></div><div class="nav-docs-section"><h3>Guides (iOS)</h3><ul><li><a style="margin-left:0;" class="" href="docs/native-modules-ios.html">Native Modules</a></li><li><a style="margin-left:0;" class="" href="docs/native-components-ios.html">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="docs/linking-libraries-ios.html">Linking Libraries</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-device-ios.html">Running On Device</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-simulator-ios.html">Running On Simulator</a></li><li><a style="margin-left:0;" class="" href="docs/communication-ios.html">Communication between native and React Native</a></li></ul></div><div class="nav-docs-section"><h3>Guides (Android)</h3><ul><li><a style="margin-left:0;" class="" href="docs/native-modules-android.html">Native Modules</a></li><li><a style="margin-left:0;" class="" href="docs/native-components-android.html">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-device-android.html">Running On Device</a></li><li><a style="margin-left:0;" class="" href="docs/signed-apk-android.html">Generating Signed APK</a></li><li><a style="margin-left:0;" class="" href="docs/android-ui-performance.html">Profiling Android UI Performance</a></li><li><a style="margin-left:0;" class="" href="docs/android-building-from-source.html">Building React Native from source</a></li></ul></div><div class="nav-docs-section"><h3>components</h3><ul><li><a style="margin-left:0;" class="" href="docs/activityindicator.html">ActivityIndicator</a></li><li><a style="margin-left:0;" class="" href="docs/activityindicatorios.html">ActivityIndicatorIOS</a></li><li><a style="margin-left:0;" class="" href="docs/datepickerios.html">DatePickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/drawerlayoutandroid.html">DrawerLayoutAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/image.html">Image</a></li><li><a style="margin-left:0;" class="" href="docs/listview.html">ListView</a></li><li><a style="margin-left:0;" class="" href="docs/mapview.html">MapView</a></li><li><a style="margin-left:0;" class="" href="docs/modal.html">Modal</a></li><li><a style="margin-left:0;" class="" href="docs/navigator.html">Navigator</a></li><li><a style="margin-left:0;" class="" href="docs/navigatorios.html">NavigatorIOS</a></li><li><a style="margin-left:0;" class="" href="docs/picker.html">Picker</a></li><li><a style="margin-left:0;" class="" href="docs/pickerios.html">PickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/progressbarandroid.html">ProgressBarAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/progressviewios.html">ProgressViewIOS</a></li><li><a style="margin-left:0;" class="" href="docs/refreshcontrol.html">RefreshControl</a></li><li><a style="margin-left:0;" class="" href="docs/scrollview.html">ScrollView</a></li><li><a style="margin-left:0;" class="" href="docs/segmentedcontrolios.html">SegmentedControlIOS</a></li><li><a style="margin-left:0;" class="" href="docs/slider.html">Slider</a></li><li><a style="margin-left:0;" class="" href="docs/sliderios.html">SliderIOS</a></li><li><a style="margin-left:0;" class="" href="docs/statusbar.html">StatusBar</a></li><li><a style="margin-left:0;" class="" href="docs/snapshotviewios.html">SnapshotViewIOS</a></li><li><a style="margin-left:0;" class="" href="docs/switch.html">Switch</a></li><li><a style="margin-left:0;" class="" href="docs/switchandroid.html">SwitchAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/switchios.html">SwitchIOS</a></li><li><a style="margin-left:0;" class="" href="docs/tabbarios.html">TabBarIOS</a></li><li><a style="margin-left:0;" class="" href="docs/tabbarios-item.html">TabBarIOS.Item</a></li><li><a style="margin-left:0;" class="" href="docs/text.html">Text</a></li><li><a style="margin-left:0;" class="" href="docs/textinput.html">TextInput</a></li><li><a style="margin-left:0;" class="" href="docs/toolbarandroid.html">ToolbarAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/touchablehighlight.html">TouchableHighlight</a></li><li><a style="margin-left:0;" class="" href="docs/touchablenativefeedback.html">TouchableNativeFeedback</a></li><li><a style="margin-left:0;" class="" href="docs/touchableopacity.html">TouchableOpacity</a></li><li><a style="margin-left:0;" class="" href="docs/touchablewithoutfeedback.html">TouchableWithoutFeedback</a></li><li><a style="margin-left:0;" class="" href="docs/view.html">View</a></li><li><a style="margin-left:0;" class="" href="docs/viewpagerandroid.html">ViewPagerAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/webview.html">WebView</a></li></ul></div><div class="nav-docs-section"><h3>apis</h3><ul><li><a style="margin-left:0;" class="" href="docs/actionsheetios.html">ActionSheetIOS</a></li><li><a style="margin-left:0;" class="" href="docs/adsupportios.html">AdSupportIOS</a></li><li><a style="margin-left:0;" class="" href="docs/alert.html">Alert</a></li><li><a style="margin-left:0;" class="active" href="docs/alertios.html">AlertIOS</a></li><li><a style="margin-left:0;" class="" href="docs/animated.html">Animated</a></li><li><a style="margin-left:0;" class="" href="docs/appregistry.html">AppRegistry</a></li><li><a style="margin-left:0;" class="" href="docs/appstate.html">AppState</a></li><li><a style="margin-left:0;" class="" href="docs/asyncstorage.html">AsyncStorage</a></li><li><a style="margin-left:0;" class="" href="docs/backandroid.html">BackAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/cameraroll.html">CameraRoll</a></li><li><a style="margin-left:0;" class="" href="docs/clipboard.html">Clipboard</a></li><li><a style="margin-left:0;" class="" href="docs/datepickerandroid.html">DatePickerAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/dimensions.html">Dimensions</a></li><li><a style="margin-left:0;" class="" href="docs/easing.html">Easing</a></li><li><a style="margin-left:0;" class="" href="docs/geolocation.html">Geolocation</a></li><li><a style="margin-left:0;" class="" href="docs/imageeditor.html">ImageEditor</a></li><li><a style="margin-left:0;" class="" href="docs/imagepickerios.html">ImagePickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/imagestore.html">ImageStore</a></li><li><a style="margin-left:0;" class="" href="docs/intentandroid.html">IntentAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/interactionmanager.html">InteractionManager</a></li><li><a style="margin-left:0;" class="" href="docs/layoutanimation.html">LayoutAnimation</a></li><li><a style="margin-left:0;" class="" href="docs/linking.html">Linking</a></li><li><a style="margin-left:0;" class="" href="docs/nativemethodsmixin.html">NativeMethodsMixin</a></li><li><a style="margin-left:0;" class="" href="docs/nativemodules.html">NativeModules</a></li><li><a style="margin-left:0;" class="" href="docs/netinfo.html">NetInfo</a></li><li><a style="margin-left:0;" class="" href="docs/panresponder.html">PanResponder</a></li><li><a style="margin-left:0;" class="" href="docs/permissionsandroid.html">PermissionsAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/pixelratio.html">PixelRatio</a></li><li><a style="margin-left:0;" class="" href="docs/pushnotificationios.html">PushNotificationIOS</a></li><li><a style="margin-left:0;" class="" href="docs/settings.html">Settings</a></li><li><a style="margin-left:0;" class="" href="docs/statusbarios.html">StatusBarIOS</a></li><li><a style="margin-left:0;" class="" href="docs/stylesheet.html">StyleSheet</a></li><li><a style="margin-left:0;" class="" href="docs/systrace.html">Systrace</a></li><li><a style="margin-left:0;" class="" href="docs/timepickerandroid.html">TimePickerAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/toastandroid.html">ToastAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/vibration.html">Vibration</a></li><li><a style="margin-left:0;" class="" href="docs/vibrationios.html">VibrationIOS</a></li><li><a style="margin-left:0;" class="" href="docs/layout-props.html">Layout Props</a></li><li><a style="margin-left:0;" class="" href="docs/shadow-props.html">Shadow Props</a></li></ul></div></div></div><div class="inner-content"><a id="content"></a><h1><a class="anchor" name="alertios"></a>AlertIOS <a class="hash-link" href="docs/alertios.html#alertios">#</a></h1><div><div><p><code>AlertIOS</code> provides functionality to create an iOS alert dialog with a
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message or create a prompt for user input.</p><p>Creating an iOS alert:</p><div class="prism language-javascript">AlertIOS<span class="token punctuation">.</span><span class="token function">alert<span class="token punctuation">(</span></span>
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<span class="token string">'Sync Complete'</span><span class="token punctuation">,</span>
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<span class="token string">'All your data are belong to us.'</span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span></div><p>Creating an iOS prompt:</p><div class="prism language-javascript">AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span>
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<span class="token string">'Enter a value'</span><span class="token punctuation">,</span>
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<span class="token keyword">null</span><span class="token punctuation">,</span>
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text <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">"You entered "</span><span class="token operator">+</span>text<span class="token punctuation">)</span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span></div><p>We recommend using the <a href="/docs/alert.html" target=""><code>Alert.alert</code></a> method for
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cross-platform support if you don't need to create iOS-only prompts.</p></div><span><h3><a class="anchor" name="methods"></a>Methods <a class="hash-link" href="docs/alertios.html#methods">#</a></h3><div class="props"><div class="prop"><h4 class="methodTitle"><a class="anchor" name="alert"></a><span class="methodType">static </span>alert<span class="methodType">(title, message?, callbackOrButtons?, type?)</span> <a class="hash-link" href="docs/alertios.html#alert">#</a></h4><div><p>Create and display a popup alert.</p></div><div><strong>Parameters:</strong><table class="params"><thead><tr><th>Name and Type</th><th>Description</th></tr></thead><tbody><tr><td>title<br><br><div><span>string</span></div></td><td class="description"><div><p>The dialog's title.</p></div></td></tr><tr><td>[message]<br><br><div><span>string</span></div></td><td class="description"><div><p>An optional message that appears below
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the dialog's title.</p></div></td></tr><tr><td>[callbackOrButtons]<br><br><div><span>?(() => void) | </span><span><a href="docs/alertios.html#buttonsarray">ButtonsArray</a></span></div></td><td class="description"><div><p>This optional argument should
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be either a single-argument function or an array of buttons. If passed
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a function, it will be called when the user taps 'OK'.</p><p> If passed an array of button configurations, each button should include
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a <code>text</code> key, as well as optional <code>onPress</code> and <code>style</code> keys. <code>style</code>
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should be one of 'default', 'cancel' or 'destructive'.</p></div></td></tr><tr><td>[type]<br><br><div><span><a href="docs/alertios.html#alerttype">AlertType</a></span></div></td><td class="description"><div><p>Deprecated, do not use.</p></div></td></tr></tbody></table></div><div><br>Example with custom buttons:<div class="prism language-javascript">AlertIOS<span class="token punctuation">.</span><span class="token function">alert<span class="token punctuation">(</span></span>
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<span class="token string">'Update available'</span><span class="token punctuation">,</span>
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<span class="token string">'Keep your app up to date to enjoy the latest features'</span><span class="token punctuation">,</span>
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<span class="token punctuation">[</span>
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<span class="token punctuation">{</span>text<span class="token punctuation">:</span> <span class="token string">'Cancel'</span><span class="token punctuation">,</span> onPress<span class="token punctuation">:</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">'Cancel Pressed'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> style<span class="token punctuation">:</span> <span class="token string">'cancel'</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
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<span class="token punctuation">{</span>text<span class="token punctuation">:</span> <span class="token string">'Install'</span><span class="token punctuation">,</span> onPress<span class="token punctuation">:</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">'Install Pressed'</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
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<span class="token punctuation">]</span><span class="token punctuation">,</span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span></div></div></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="prompt"></a><span class="methodType">static </span>prompt<span class="methodType">(title, message?, callbackOrButtons?, type?, defaultValue?)</span> <a class="hash-link" href="docs/alertios.html#prompt">#</a></h4><div><p>Create and display a prompt to enter some text.</p></div><div><strong>Parameters:</strong><table class="params"><thead><tr><th>Name and Type</th><th>Description</th></tr></thead><tbody><tr><td>title<br><br><div><span>string</span></div></td><td class="description"><div><p>The dialog's title.</p></div></td></tr><tr><td>[message]<br><br><div><span>string</span></div></td><td class="description"><div><p>An optional message that appears above the text
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input.</p></div></td></tr><tr><td>[callbackOrButtons]<br><br><div><span>?((text: string) => void) | </span><span><a href="docs/alertios.html#buttonsarray">ButtonsArray</a></span></div></td><td class="description"><div><p>This optional argument should
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be either a single-argument function or an array of buttons. If passed
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a function, it will be called with the prompt's value when the user
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taps 'OK'.</p><p> If passed an array of button configurations, each button should include
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a <code>text</code> key, as well as optional <code>onPress</code> and <code>style</code> keys (see
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example). <code>style</code> should be one of 'default', 'cancel' or 'destructive'.</p></div></td></tr><tr><td>[type]<br><br><div><span><a href="docs/alertios.html#alerttype">AlertType</a></span></div></td><td class="description"><div><p>This configures the text input. One of 'plain-text',
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'secure-text' or 'login-password'.</p></div></td></tr><tr><td>[defaultValue]<br><br><div><span>string</span></div></td><td class="description"><div><p>The default text in text input.</p></div></td></tr></tbody></table></div><div><br>Example with custom buttons:<div class="prism language-javascript">AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span>
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<span class="token string">'Enter password'</span><span class="token punctuation">,</span>
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<span class="token string">'Enter your password to claim your $1.5B in lottery winnings'</span><span class="token punctuation">,</span>
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<span class="token punctuation">[</span>
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<span class="token punctuation">{</span>text<span class="token punctuation">:</span> <span class="token string">'Cancel'</span><span class="token punctuation">,</span> onPress<span class="token punctuation">:</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">'Cancel Pressed'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> style<span class="token punctuation">:</span> <span class="token string">'cancel'</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
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<span class="token punctuation">{</span>text<span class="token punctuation">:</span> <span class="token string">'OK'</span><span class="token punctuation">,</span> onPress<span class="token punctuation">:</span> password <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">'OK Pressed, password: '</span> <span class="token operator">+</span> password<span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
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<span class="token punctuation">]</span><span class="token punctuation">,</span>
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<span class="token string">'secure-text'</span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span></div></div><div><br>Example with the default button and a custom callback:<div class="prism language-javascript">AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span>
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<span class="token string">'Update username'</span><span class="token punctuation">,</span>
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<span class="token keyword">null</span><span class="token punctuation">,</span>
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text <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">"Your username is "</span><span class="token operator">+</span>text<span class="token punctuation">)</span><span class="token punctuation">,</span>
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<span class="token keyword">null</span><span class="token punctuation">,</span>
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<span class="token string">'default'</span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span></div></div></div></div></span><span><h3><a class="anchor" name="type-definitions"></a>Type Definitions <a class="hash-link" href="docs/alertios.html#type-definitions">#</a></h3><div class="props"><div class="prop"><h4 class="propTitle"><a class="anchor" name="alerttype"></a>AlertType <a class="hash-link" href="docs/alertios.html#alerttype">#</a></h4><div><p>An Alert button type</p></div><strong>Type:</strong><br>$Enum<div><br><strong>Constants:</strong><table class="params"><thead><tr><th>Value</th><th>Description</th></tr></thead><tbody><tr><td>default</td><td class="description"><div><p>Default alert with no inputs</p></div></td></tr><tr><td>plain-text</td><td class="description"><div><p>Plain text input alert</p></div></td></tr><tr><td>secure-text</td><td class="description"><div><p>Secure text input alert</p></div></td></tr><tr><td>login-password</td><td class="description"><div><p>Login and password alert</p></div></td></tr></tbody></table></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="alertbuttonstyle"></a>AlertButtonStyle <a class="hash-link" href="docs/alertios.html#alertbuttonstyle">#</a></h4><div><p>An Alert button style</p></div><strong>Type:</strong><br>$Enum<div><br><strong>Constants:</strong><table class="params"><thead><tr><th>Value</th><th>Description</th></tr></thead><tbody><tr><td>default</td><td class="description"><div><p>Default button style</p></div></td></tr><tr><td>cancel</td><td class="description"><div><p>Cancel button style</p></div></td></tr><tr><td>destructive</td><td class="description"><div><p>Destructive button style</p></div></td></tr></tbody></table></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="buttonsarray"></a>ButtonsArray <a class="hash-link" href="docs/alertios.html#buttonsarray">#</a></h4><div><p>Array or buttons</p></div><strong>Type:</strong><br>Array<div><br><strong>Properties:</strong><table class="params"><thead><tr><th>Name and Type</th><th>Description</th></tr></thead><tbody><tr><td>[text]<br><br><div><span>string</span></div></td><td class="description"><div><p>Button label</p></div></td></tr><tr><td>[onPress]<br><br><div><span>function</span></div></td><td class="description"><div><p>Callback function when button pressed</p></div></td></tr><tr><td>[style]<br><br><div><span><a href="docs/alertios.html#alertbuttonstyle">AlertButtonStyle</a></span></div></td><td class="description"><div><p>Button style</p></div></td></tr></tbody></table></div></div></div></span></div><p class="edit-page-block">You can <a target="_blank" href="https://github.com/facebook/react-native/blob/master/Libraries/Utilities/AlertIOS.js">edit the content above on GitHub</a> and send us a pull request!</p><div><div><table width="100%"><tbody><tr><td><h3><a class="anchor" name="examples"></a>Examples <a class="hash-link" href="docs/alertios.html#examples">#</a></h3></td><td style="text-align:right;"><a target="_blank" href="https://github.com/facebook/react-native/blob/master/Examples/UIExplorer/js/AlertIOSExample.js">Edit on GitHub</a></td></tr></tbody></table><div class="example-container"><div class="prism language-javascript"><span class="token string">'use strict'</span><span class="token punctuation">;</span>
|
||
|
||
<span class="token keyword">var</span> React <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">'react'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">var</span> ReactNative <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">'react-native'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">var</span> <span class="token punctuation">{</span>
|
||
StyleSheet<span class="token punctuation">,</span>
|
||
View<span class="token punctuation">,</span>
|
||
Text<span class="token punctuation">,</span>
|
||
TouchableHighlight<span class="token punctuation">,</span>
|
||
AlertIOS<span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span> <span class="token operator">=</span> ReactNative<span class="token punctuation">;</span>
|
||
|
||
<span class="token keyword">var</span> <span class="token punctuation">{</span> SimpleAlertExampleBlock <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">'./AlertExample'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
|
||
exports<span class="token punctuation">.</span>framework <span class="token operator">=</span> <span class="token string">'React'</span><span class="token punctuation">;</span>
|
||
exports<span class="token punctuation">.</span>title <span class="token operator">=</span> <span class="token string">'AlertIOS'</span><span class="token punctuation">;</span>
|
||
exports<span class="token punctuation">.</span>description <span class="token operator">=</span> <span class="token string">'iOS alerts and action sheets'</span><span class="token punctuation">;</span>
|
||
exports<span class="token punctuation">.</span>examples <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
|
||
title<span class="token punctuation">:</span> <span class="token string">'Alerts'</span><span class="token punctuation">,</span>
|
||
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <SimpleAlertExampleBlock <span class="token operator">/</span><span class="token operator">></span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">{</span>
|
||
title<span class="token punctuation">:</span> <span class="token string">'Prompt Options'</span><span class="token punctuation">,</span>
|
||
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span><span class="token punctuation">:</span> ReactElement<any<span class="token operator">></span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <PromptOptions <span class="token operator">/</span><span class="token operator">></span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">{</span>
|
||
title<span class="token punctuation">:</span> <span class="token string">'Prompt Types'</span><span class="token punctuation">,</span>
|
||
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token punctuation">(</span>
|
||
<View<span class="token operator">></span>
|
||
<TouchableHighlight
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>wrapper<span class="token punctuation">}</span>
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span><span class="token string">'Plain Text Entry'</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text<span class="token operator">></span>
|
||
plain<span class="token operator">-</span>text
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
|
||
<<span class="token operator">/</span>TouchableHighlight<span class="token operator">></span>
|
||
<TouchableHighlight
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>wrapper<span class="token punctuation">}</span>
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span><span class="token string">'Secure Text'</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token string">'secure-text'</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text<span class="token operator">></span>
|
||
secure<span class="token operator">-</span>text
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
|
||
<<span class="token operator">/</span>TouchableHighlight<span class="token operator">></span>
|
||
<TouchableHighlight
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>wrapper<span class="token punctuation">}</span>
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span><span class="token string">'Login & Password'</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token string">'login-password'</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text<span class="token operator">></span>
|
||
login<span class="token operator">-</span>password
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
|
||
<<span class="token operator">/</span>TouchableHighlight<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
|
||
|
||
class <span class="token class-name">PromptOptions</span> extends <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
|
||
state<span class="token punctuation">:</span> any<span class="token punctuation">;</span>
|
||
customButtons<span class="token punctuation">:</span> Array<Object<span class="token operator">></span><span class="token punctuation">;</span>
|
||
|
||
<span class="token function">constructor<span class="token punctuation">(</span></span>props<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token function">super<span class="token punctuation">(</span></span>props<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
|
||
<span class="token comment" spellcheck="true"> // $FlowFixMe this seems to be a Flow bug, `saveResponse` is defined below
|
||
</span> <span class="token keyword">this</span><span class="token punctuation">.</span>saveResponse <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>saveResponse<span class="token punctuation">.</span><span class="token function">bind<span class="token punctuation">(</span></span><span class="token keyword">this</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
|
||
<span class="token keyword">this</span><span class="token punctuation">.</span>customButtons <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
|
||
text<span class="token punctuation">:</span> <span class="token string">'Custom OK'</span><span class="token punctuation">,</span>
|
||
onPress<span class="token punctuation">:</span> <span class="token keyword">this</span><span class="token punctuation">.</span>saveResponse
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||
text<span class="token punctuation">:</span> <span class="token string">'Custom Cancel'</span><span class="token punctuation">,</span>
|
||
style<span class="token punctuation">:</span> <span class="token string">'cancel'</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
|
||
|
||
<span class="token keyword">this</span><span class="token punctuation">.</span>state <span class="token operator">=</span> <span class="token punctuation">{</span>
|
||
promptValue<span class="token punctuation">:</span> undefined<span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token punctuation">(</span>
|
||
<View<span class="token operator">></span>
|
||
<Text style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>marginBottom<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>fontWeight<span class="token punctuation">:</span> <span class="token string">'bold'</span><span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">></span>Prompt value<span class="token punctuation">:</span><<span class="token operator">/</span>Text<span class="token operator">></span> <span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>promptValue<span class="token punctuation">}</span>
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
|
||
<TouchableHighlight
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>wrapper<span class="token punctuation">}</span>
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span><span class="token string">'Type a value'</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token keyword">this</span><span class="token punctuation">.</span>saveResponse<span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text<span class="token operator">></span>
|
||
prompt <span class="token keyword">with</span> title & callback
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
<<span class="token operator">/</span>TouchableHighlight<span class="token operator">></span>
|
||
|
||
<TouchableHighlight
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>wrapper<span class="token punctuation">}</span>
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span><span class="token string">'Type a value'</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token keyword">this</span><span class="token punctuation">.</span>customButtons<span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text<span class="token operator">></span>
|
||
prompt <span class="token keyword">with</span> title & custom buttons
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
<<span class="token operator">/</span>TouchableHighlight<span class="token operator">></span>
|
||
|
||
<TouchableHighlight
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>wrapper<span class="token punctuation">}</span>
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span><span class="token string">'Type a value'</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token keyword">this</span><span class="token punctuation">.</span>saveResponse<span class="token punctuation">,</span> undefined<span class="token punctuation">,</span> <span class="token string">'Default value'</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text<span class="token operator">></span>
|
||
prompt <span class="token keyword">with</span> title<span class="token punctuation">,</span> callback & default value
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
<<span class="token operator">/</span>TouchableHighlight<span class="token operator">></span>
|
||
|
||
<TouchableHighlight
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>wrapper<span class="token punctuation">}</span>
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> AlertIOS<span class="token punctuation">.</span><span class="token function">prompt<span class="token punctuation">(</span></span><span class="token string">'Type a value'</span><span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token keyword">this</span><span class="token punctuation">.</span>customButtons<span class="token punctuation">,</span> <span class="token string">'login-password'</span><span class="token punctuation">,</span> <span class="token string">'admin@site.com'</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">></span>
|
||
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text<span class="token operator">></span>
|
||
prompt <span class="token keyword">with</span> title<span class="token punctuation">,</span> custom buttons<span class="token punctuation">,</span> login<span class="token operator">/</span>password & default value
|
||
<<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
<<span class="token operator">/</span>TouchableHighlight<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token function">saveResponse<span class="token punctuation">(</span></span>promptValue<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState<span class="token punctuation">(</span></span><span class="token punctuation">{</span> promptValue<span class="token punctuation">:</span> JSON<span class="token punctuation">.</span><span class="token function">stringify<span class="token punctuation">(</span></span>promptValue<span class="token punctuation">)</span> <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">var</span> styles <span class="token operator">=</span> StyleSheet<span class="token punctuation">.</span><span class="token function">create<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
|
||
wrapper<span class="token punctuation">:</span> <span class="token punctuation">{</span>
|
||
borderRadius<span class="token punctuation">:</span> <span class="token number">5</span><span class="token punctuation">,</span>
|
||
marginBottom<span class="token punctuation">:</span> <span class="token number">5</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
button<span class="token punctuation">:</span> <span class="token punctuation">{</span>
|
||
backgroundColor<span class="token punctuation">:</span> <span class="token string">'#eeeeee'</span><span class="token punctuation">,</span>
|
||
padding<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
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