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@@ -286,7 +286,7 @@ Animated<span class="token punctuation">.</span><span class="token function">tim
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<span class="token punctuation">{</span>content<span class="token punctuation">}</span>
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<span class="token tag"><span class="token tag"><span class="token punctuation"></</span><span class="token class-name">Animated.ScrollView</span></span><span class="token punctuation">></span></span>
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</code></pre>
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<p>You can see the native driver in action by running the <a href="https://github.com/facebook/react-native/blob/master/RNTester/">RNTester app</a>, then loading the Native Animated Example. You can also take a look at the <a href="https://github.com/facebook/react-native/blob/master/RNTester/js/NativeAnimationsExample.js">source code</a> to learn how these examples were produced.</p>
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<p>You can see the native driver in action by running the <a href="https://github.com/facebook/react-native/blob/master/RNTester/">RNTester app</a>, then loading the Native Animated Example. You can also take a look at the <a href="https://github.com/facebook/react-native/blob/master/RNTester/js/examples/NativeAnimation/NativeAnimationsExample.js">source code</a> to learn how these examples were produced.</p>
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<h4><a class="anchor" aria-hidden="true" id="caveats"></a><a href="#caveats" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Caveats</h4>
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<p>Not everything you can do with <code>Animated</code> is currently supported by the native driver. The main limitation is that you can only animate non-layout properties: things like <code>transform</code> and <code>opacity</code> will work, but Flexbox and position properties will not. When using <code>Animated.event</code>, it will only work with direct events and not bubbling events. This means it does not work with <code>PanResponder</code> but does work with things like <code>ScrollView#onScroll</code>.</p>
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<p>When an animation is running, it can prevent <code>VirtualizedList</code> components from rendering more rows. If you need to run a long or looping animation while the user is scrolling through a list, you can use <code>isInteraction: false</code> in your animation's config to prevent this issue.</p>
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@@ -286,7 +286,7 @@ Animated<span class="token punctuation">.</span><span class="token function">tim
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<span class="token punctuation">{</span>content<span class="token punctuation">}</span>
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<span class="token tag"><span class="token tag"><span class="token punctuation"></</span><span class="token class-name">Animated.ScrollView</span></span><span class="token punctuation">></span></span>
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</code></pre>
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<p>You can see the native driver in action by running the <a href="https://github.com/facebook/react-native/blob/master/RNTester/">RNTester app</a>, then loading the Native Animated Example. You can also take a look at the <a href="https://github.com/facebook/react-native/blob/master/RNTester/js/NativeAnimationsExample.js">source code</a> to learn how these examples were produced.</p>
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<p>You can see the native driver in action by running the <a href="https://github.com/facebook/react-native/blob/master/RNTester/">RNTester app</a>, then loading the Native Animated Example. You can also take a look at the <a href="https://github.com/facebook/react-native/blob/master/RNTester/js/examples/NativeAnimation/NativeAnimationsExample.js">source code</a> to learn how these examples were produced.</p>
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<h4><a class="anchor" aria-hidden="true" id="caveats"></a><a href="#caveats" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Caveats</h4>
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<p>Not everything you can do with <code>Animated</code> is currently supported by the native driver. The main limitation is that you can only animate non-layout properties: things like <code>transform</code> and <code>opacity</code> will work, but Flexbox and position properties will not. When using <code>Animated.event</code>, it will only work with direct events and not bubbling events. This means it does not work with <code>PanResponder</code> but does work with things like <code>ScrollView#onScroll</code>.</p>
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<p>When an animation is running, it can prevent <code>VirtualizedList</code> components from rendering more rows. If you need to run a long or looping animation while the user is scrolling through a list, you can use <code>isInteraction: false</code> in your animation's config to prevent this issue.</p>
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@@ -364,7 +364,11 @@ npx react-native run-ios
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<blockquote>
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<p>If you use the Yarn package manager, you can use <code>yarn</code> instead of <code>npx</code> when running React Native commands inside an existing project.</p>
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</blockquote>
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<p>Run <code>npx react-native run-android</code> inside your React Native project folder:</p>
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<p>Run <code>npx react-native start</code> inside your React Native project folder:</p>
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<pre><code class="hljs css language-sh"><span class="hljs-built_in">cd</span> AwesomeProject
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npx react-native start
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</code></pre>
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<p>On another terminal, run <code>npx react-native run-android</code>:</p>
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<pre><code class="hljs css language-sh"><span class="hljs-built_in">cd</span> AwesomeProject
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npx react-native run-android
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</code></pre>
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@@ -364,7 +364,11 @@ npx react-native run-ios
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<blockquote>
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<p>If you use the Yarn package manager, you can use <code>yarn</code> instead of <code>npx</code> when running React Native commands inside an existing project.</p>
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</blockquote>
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<p>Run <code>npx react-native run-android</code> inside your React Native project folder:</p>
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<p>Run <code>npx react-native start</code> inside your React Native project folder:</p>
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<pre><code class="hljs css language-sh"><span class="hljs-built_in">cd</span> AwesomeProject
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npx react-native start
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</code></pre>
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<p>On another terminal, run <code>npx react-native run-android</code>:</p>
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<pre><code class="hljs css language-sh"><span class="hljs-built_in">cd</span> AwesomeProject
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npx react-native run-android
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</code></pre>
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+22
-22
@@ -147,31 +147,31 @@ const Hello: React.FC<Props> = (props) => {
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const getExclamationMarks = (numChars: number) => <span class="hljs-keyword">Array</span>(numChars + <span class="hljs-number">1</span>).<span class="hljs-keyword">join</span>(<span class="hljs-string">'!'</span>);
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<span class="hljs-keyword">return</span> (
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<<span class="hljs-keyword">View</span> style={styles.root}>
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<<span class="hljs-type">Text</span> style={styles.greeting}>
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Hello{<span class="hljs-string">' '</span>}
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{props.name + getExclamationMarks(enthusiasmLevel || <span class="hljs-number">0</span>)}
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</<span class="hljs-type">Text</span>>
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<<span class="hljs-type">Text</span> style={styles.greeting}>
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Hello{<span class="hljs-string">' '</span>}
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{props.name + getExclamationMarks(enthusiasmLevel || <span class="hljs-number">0</span>)}
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</<span class="hljs-type">Text</span>>
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<<span class="hljs-keyword">View</span> style={styles.buttons}>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="-"
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onPress={onDecrement}
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accessibilityLabel="decrement"
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color="red"
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/>
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</<span class="hljs-keyword">View</span>>
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<<span class="hljs-keyword">View</span> style={styles.buttons}>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="-"
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onPress={onDecrement}
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accessibilityLabel="decrement"
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color="red"
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/>
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</<span class="hljs-keyword">View</span>>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="+"
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onPress={onIncrement}
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accessibilityLabel="increment"
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color="blue"
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/>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="+"
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onPress={onIncrement}
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accessibilityLabel="increment"
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color="blue"
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/>
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</<span class="hljs-keyword">View</span>>
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</<span class="hljs-keyword">View</span>>
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</<span class="hljs-keyword">View</span>>
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</<span class="hljs-keyword">View</span>>
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);
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}
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@@ -182,7 +182,7 @@ const styles = StyleSheet.<span class="hljs-keyword">create</span>({
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alignSelf: <span class="hljs-string">'center'</span>,
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},
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buttons: {
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flexDirection: <span class="hljs-string">'row'</span>,
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flexDirection: <span class="hljs-string">'row'</span>,
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minHeight: <span class="hljs-number">70</span>,
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alignItems: <span class="hljs-string">'stretch'</span>,
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alignSelf: <span class="hljs-string">'center'</span>,
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@@ -147,31 +147,31 @@ const Hello: React.FC<Props> = (props) => {
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const getExclamationMarks = (numChars: number) => <span class="hljs-keyword">Array</span>(numChars + <span class="hljs-number">1</span>).<span class="hljs-keyword">join</span>(<span class="hljs-string">'!'</span>);
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<span class="hljs-keyword">return</span> (
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<<span class="hljs-keyword">View</span> style={styles.root}>
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<<span class="hljs-type">Text</span> style={styles.greeting}>
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Hello{<span class="hljs-string">' '</span>}
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{props.name + getExclamationMarks(enthusiasmLevel || <span class="hljs-number">0</span>)}
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</<span class="hljs-type">Text</span>>
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<<span class="hljs-type">Text</span> style={styles.greeting}>
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Hello{<span class="hljs-string">' '</span>}
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{props.name + getExclamationMarks(enthusiasmLevel || <span class="hljs-number">0</span>)}
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</<span class="hljs-type">Text</span>>
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<<span class="hljs-keyword">View</span> style={styles.buttons}>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="-"
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onPress={onDecrement}
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accessibilityLabel="decrement"
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color="red"
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/>
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</<span class="hljs-keyword">View</span>>
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<<span class="hljs-keyword">View</span> style={styles.buttons}>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="-"
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onPress={onDecrement}
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accessibilityLabel="decrement"
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color="red"
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/>
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</<span class="hljs-keyword">View</span>>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="+"
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onPress={onIncrement}
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accessibilityLabel="increment"
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color="blue"
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/>
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<<span class="hljs-keyword">View</span> style={styles.button}>
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<Button
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title="+"
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onPress={onIncrement}
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accessibilityLabel="increment"
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color="blue"
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/>
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</<span class="hljs-keyword">View</span>>
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</<span class="hljs-keyword">View</span>>
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</<span class="hljs-keyword">View</span>>
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</<span class="hljs-keyword">View</span>>
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);
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}
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@@ -182,7 +182,7 @@ const styles = StyleSheet.<span class="hljs-keyword">create</span>({
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alignSelf: <span class="hljs-string">'center'</span>,
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},
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buttons: {
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flexDirection: <span class="hljs-string">'row'</span>,
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flexDirection: <span class="hljs-string">'row'</span>,
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minHeight: <span class="hljs-number">70</span>,
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alignItems: <span class="hljs-string">'stretch'</span>,
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alignSelf: <span class="hljs-string">'center'</span>,
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