Facebook/react-native
1
0
Fork 0
mirror of https://github.com/facebook/react-native.git synced 2025-11-01 09:14:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

Deploy website

Browse Source 
Deploy website version based on b4c11ffed3
This commit is contained in:
Website Deployment Script
2018-05-10 15:59:14 +00:00
parent b4c11ffed3
commit fc7d6ecdd9
1 changed files with 17 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/next/backhandler.html
+17 -3
View File
@@ -29,16 +29,30 @@
<span class="hljs-keyword">return</span> <span class="hljs-literal">false</span>;
});
</code></pre>
<p>Example 2:</p>
<p>Lifecycle example:</p>
<pre><code class="hljs css javascript"> componentDidMount() {
<span class="hljs-keyword">this</span>.androidBackHandler = BackHandler.addEventListener(<span class="hljs-string">'hardwareBackPress'</span>, () =&gt; {
BackHandler.addEventListener(<span class="hljs-string">'hardwareBackPress'</span>, <span class="hljs-keyword">this</span>.handleBackPress);
}
componentWillUnmount() {
BackHandler.removeEventListener(<span class="hljs-string">'hardwareBackPress'</span>, <span class="hljs-keyword">this</span>.handleBackPress);
}
handleBackPress = <span class="hljs-function"><span class="hljs-params">()</span> =&gt;</span> {
<span class="hljs-keyword">this</span>.goBack(); <span class="hljs-comment">// works best when the goBack is async</span>
<span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>;
}
</code></pre>
<p>Lifecycle alternative:</p>
<pre><code class="hljs css javascript"> componentDidMount() {
<span class="hljs-keyword">this</span>.backHandler = BackHandler.addEventListener(<span class="hljs-string">'hardwareBackPress'</span>, () =&gt; {
<span class="hljs-keyword">this</span>.goBack(); <span class="hljs-comment">// works best when the goBack is async</span>
<span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>;
});
}
componentWillUnmount() {
<span class="hljs-keyword">this</span>.androidBackHandler.remove();
<span class="hljs-keyword">this</span>.backHandler.remove();
}
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="methods"></a><a href="#methods" 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>Methods</h3>