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@@ -82,16 +82,16 @@
<span class="token keyword">package</span> <span class="token namespace">com<span class="token punctuation">.</span>your</span><span class="token operator">-</span>app<span class="token operator">-</span>name<span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">android<span class="token punctuation">.</span>widget<span class="token punctuation">.</span></span><span class="token class-name">Toast</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">android<span class="token punctuation">.</span>widget</span><span class="token punctuation">.</span><span class="token class-name">Toast</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">NativeModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">ReactApplicationContext</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">ReactContext</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">ReactContextBaseJavaModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">ReactMethod</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">NativeModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">ReactApplicationContext</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">ReactContext</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">ReactContextBaseJavaModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">ReactMethod</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">Map</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">HashMap</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">Map</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">HashMap</span><span class="token punctuation">;</span>
<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">ToastModule</span> <span class="token keyword">extends</span> <span class="token class-name">ReactContextBaseJavaModule</span> <span class="token punctuation">{</span>
<span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token class-name">ReactApplicationContext</span> reactContext<span class="token punctuation">;</span>
@@ -145,14 +145,14 @@ ReadableArray -> Array
<span class="token keyword">package</span> <span class="token namespace">com<span class="token punctuation">.</span>your</span><span class="token operator">-</span>app<span class="token operator">-</span>name<span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span></span><span class="token class-name">ReactPackage</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">NativeModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">ReactApplicationContext</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>uimanager<span class="token punctuation">.</span></span><span class="token class-name">ViewManager</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react</span><span class="token punctuation">.</span><span class="token class-name">ReactPackage</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">NativeModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">ReactApplicationContext</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>uimanager</span><span class="token punctuation">.</span><span class="token class-name">ViewManager</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">ArrayList</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">Collections</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">List</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">ArrayList</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">Collections</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">List</span><span class="token punctuation">;</span>
<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">CustomToastPackage</span> <span class="token keyword">implements</span> <span class="token class-name">ReactPackage</span> <span class="token punctuation">{</span>
@@ -211,7 +211,7 @@ ToastExample<span class="token punctuation">.</span><span class="token function"
<h2><a class="anchor" aria-hidden="true" id="beyond-toasts"></a><a href="#beyond-toasts" 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>Beyond Toasts</h2>
<h3><a class="anchor" aria-hidden="true" id="callbacks"></a><a href="#callbacks" 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>Callbacks</h3>
<p>Native modules also support a unique kind of argument - a callback. In most cases it is used to provide the function call result to JavaScript.</p>
<pre><code class="hljs css language-java"><span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">Callback</span><span class="token punctuation">;</span>
<pre><code class="hljs css language-java"><span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">Callback</span><span class="token punctuation">;</span>
<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">UIManagerModule</span> <span class="token keyword">extends</span> <span class="token class-name">ReactContextBaseJavaModule</span> <span class="token punctuation">{</span>
@@ -254,7 +254,7 @@ ToastExample<span class="token punctuation">.</span><span class="token function"
<h3><a class="anchor" aria-hidden="true" id="promises"></a><a href="#promises" 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>Promises</h3>
<p>Native modules can also fulfill a promise, which can simplify your JavaScript, especially when using ES2016's <code>async/await</code> syntax. When the last parameter of a bridged native method is a <code>Promise</code>, its corresponding JS method will return a JS Promise object.</p>
<p>Refactoring the above code to use a promise instead of callbacks looks like this:</p>
<pre><code class="hljs css language-java"><span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">Promise</span><span class="token punctuation">;</span>
<pre><code class="hljs css language-java"><span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">Promise</span><span class="token punctuation">;</span>
<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">UIManagerModule</span> <span class="token keyword">extends</span> <span class="token class-name">ReactContextBaseJavaModule</span> <span class="token punctuation">{</span>
@@ -308,9 +308,9 @@ ToastExample<span class="token punctuation">.</span><span class="token function"
<h3><a class="anchor" aria-hidden="true" id="sending-events-to-javascript"></a><a href="#sending-events-to-javascript" 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>Sending Events to JavaScript</h3>
<p>Native modules can signal events to JavaScript without being invoked directly. The easiest way to do this is to use the <code>RCTDeviceEventEmitter</code> which can be obtained from the <code>ReactContext</code> as in the code snippet below.</p>
<pre><code class="hljs css language-java"><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>modules<span class="token punctuation">.</span>core<span class="token punctuation">.</span></span><span class="token class-name">DeviceEventManagerModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">WritableMap</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge<span class="token punctuation">.</span></span><span class="token class-name">Arguments</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>modules<span class="token punctuation">.</span>core</span><span class="token punctuation">.</span><span class="token class-name">DeviceEventManagerModule</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">WritableMap</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">com<span class="token punctuation">.</span>facebook<span class="token punctuation">.</span>react<span class="token punctuation">.</span>bridge</span><span class="token punctuation">.</span><span class="token class-name">Arguments</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">private</span> <span class="token keyword">void</span> <span class="token function">sendEvent</span><span class="token punctuation">(</span><span class="token class-name">ReactContext</span> reactContext<span class="token punctuation">,</span>
<span class="token class-name">String</span> eventName<span class="token punctuation">,</span>