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<p>On iOS, the <code>CameraRoll</code> API requires the <code>RCTCameraRoll</code> library to be linked. You can refer to <a href="/react-native/docs/0.58/linking-libraries-ios">Linking Libraries (iOS)</a> to learn more.</p>
|
||
<h3><a class="anchor" aria-hidden="true" id="permissions"></a><a href="#permissions" 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>Permissions</h3>
|
||
<p>The user's permission is required in order to access the Camera Roll on devices running iOS 10 or later. Add the <code>NSPhotoLibraryUsageDescription</code> key in your <code>Info.plist</code> with a string that describes how your app will use this data. This key will appear as <code>Privacy - Photo Library Usage Description</code> in Xcode.</p>
|
||
<p>If you are targeting devices running iOS 11 or later, you will also need to add the <code>NSPhotoLibraryAddUsageDescription</code> key in your <code>Info.plist</code>. Use this key to define a string that describes how your app will use this data. By adding this key to your <code>Info.plist</code>, you will be able to request write-only access permission from the user. If you try to save to the camera roll without this permission, your app will exit.</p>
|
||
<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>
|
||
<ul>
|
||
<li><a href="cameraroll.md#savetocameraroll"><code>saveToCameraRoll</code></a></li>
|
||
<li><a href="cameraroll.md#getphotos"><code>getPhotos</code></a></li>
|
||
</ul>
|
||
<hr>
|
||
<h1><a class="anchor" aria-hidden="true" id="reference"></a><a href="#reference" 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>Reference</h1>
|
||
<h2><a class="anchor" aria-hidden="true" id="methods-1"></a><a href="#methods-1" 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</h2>
|
||
<h3><a class="anchor" aria-hidden="true" id="savetocameraroll"></a><a href="#savetocameraroll" 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><code>saveToCameraRoll()</code></h3>
|
||
<pre><code class="hljs css language-javascript">CameraRoll<span class="token punctuation">.</span><span class="token function">saveToCameraRoll</span><span class="token punctuation">(</span>tag<span class="token punctuation">,</span> <span class="token punctuation">[</span>type<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
</code></pre>
|
||
<p>Saves the photo or video to the camera roll or photo library.</p>
|
||
<p>On Android, the tag must be a local image or video URI, such as <code>"file:///sdcard/img.png"</code>.</p>
|
||
<p>On iOS, the tag can be any image URI (including local, remote asset-library and base64 data URIs) or a local video file URI (remote or data URIs are not supported for saving video at this time).</p>
|
||
<p>If the tag has a file extension of .mov or .mp4, it will be inferred as a video. Otherwise it will be treated as a photo. To override the automatic choice, you can pass an optional <code>type</code> parameter that must be one of 'photo' or 'video'.</p>
|
||
<p>Returns a Promise which will resolve with the new URI.</p>
|
||
<p><strong>Parameters:</strong></p>
|
||
<table>
|
||
<thead>
|
||
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr><td>tag</td><td>string</td><td>Yes</td><td>See above.</td></tr>
|
||
<tr><td>type</td><td>enum('photo', 'video')</td><td>No</td><td>Overrides automatic detection based on the file extension.</td></tr>
|
||
</tbody>
|
||
</table>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="getphotos"></a><a href="#getphotos" 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><code>getPhotos()</code></h3>
|
||
<pre><code class="hljs css language-javascript">CameraRoll<span class="token punctuation">.</span><span class="token function">getPhotos</span><span class="token punctuation">(</span>params<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
</code></pre>
|
||
<p>Returns a Promise with photo identifier objects from the local camera roll of the device matching shape defined by <code>getPhotosReturnChecker</code>.</p>
|
||
<p><strong>Parameters:</strong></p>
|
||
<table>
|
||
<thead>
|
||
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr><td>params</td><td>object</td><td>Yes</td><td>Expects a params with the shape described below.</td></tr>
|
||
</tbody>
|
||
</table>
|
||
<ul>
|
||
<li><code>first</code> : {number} : The number of photos wanted in reverse order of the photo application (i.e. most recent first for SavedPhotos).</li>
|
||
<li><code>after</code> : {string} : A cursor that matches <code>page_info { end_cursor }</code> returned from a previous call to <code>getPhotos</code>.</li>
|
||
<li><code>groupTypes</code> : {string} : Specifies which group types to filter the results to. Valid values are:
|
||
<ul>
|
||
<li><code>Album</code></li>
|
||
<li><code>All</code></li>
|
||
<li><code>Event</code></li>
|
||
<li><code>Faces</code></li>
|
||
<li><code>Library</code></li>
|
||
<li><code>PhotoStream</code></li>
|
||
<li><code>SavedPhotos</code> // default</li>
|
||
</ul></li>
|
||
<li><code>groupName</code> : {string} : Specifies filter on group names, like 'Recent Photos' or custom album titles.</li>
|
||
<li><code>assetType</code> : {string} : Specifies filter on asset type. Valid values are:
|
||
<ul>
|
||
<li><code>All</code></li>
|
||
<li><code>Videos</code></li>
|
||
<li><code>Photos</code> // default</li>
|
||
</ul></li>
|
||
<li><code>mimeTypes</code> : {Array} : Filter by mimetype (e.g. image/jpeg).</li>
|
||
</ul>
|
||
<p>Returns a Promise which when resolved will be of the following shape:</p>
|
||
<ul>
|
||
<li><code>edges</code> : {Array<node>} An array of node objects
|
||
<ul>
|
||
<li><code>node</code>: {object} An object with the following shape:
|
||
<ul>
|
||
<li><code>type</code>: {string}</li>
|
||
<li><code>group_name</code>: {string}</li>
|
||
<li><code>image</code>: {object} : An object with the following shape:
|
||
<ul>
|
||
<li><code>uri</code>: {string}</li>
|
||
<li><code>height</code>: {number}</li>
|
||
<li><code>width</code>: {number}</li>
|
||
<li><code>isStored</code>: {boolean}</li>
|
||
<li><code>playableDuration</code>: {number}</li>
|
||
</ul></li>
|
||
<li><code>timestamp</code>: {number}</li>
|
||
<li><code>location</code>: {object} : An object with the following shape:
|
||
<ul>
|
||
<li><code>latitude</code>: {number}</li>
|
||
<li><code>longitude</code>: {number}</li>
|
||
<li><code>altitude</code>: {number}</li>
|
||
<li><code>heading</code>: {number}</li>
|
||
<li><code>speed</code>: {number}</li>
|
||
</ul></li>
|
||
</ul></li>
|
||
</ul></li>
|
||
<li><code>page_info</code> : {object} : An object with the following shape:
|
||
<ul>
|
||
<li><code>has_next_page</code>: {boolean}</li>
|
||
<li><code>start_cursor</code>: {string}</li>
|
||
<li><code>end_cursor</code>: {string}</li>
|
||
</ul></li>
|
||
</ul>
|
||
<h4><a class="anchor" aria-hidden="true" id="example"></a><a href="#example" 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>Example</h4>
|
||
<p>Loading images:</p>
|
||
<pre><code class="hljs css language-javascript"><span class="token function-variable function">_handleButtonPress</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
|
||
CameraRoll<span class="token punctuation">.</span><span class="token function">getPhotos</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||
first<span class="token punctuation">:</span> <span class="token number">20</span><span class="token punctuation">,</span>
|
||
assetType<span class="token punctuation">:</span> <span class="token string">'Photos'</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||
<span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span>r <span class="token operator">=></span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState</span><span class="token punctuation">(</span><span class="token punctuation">{</span> photos<span class="token punctuation">:</span> r<span class="token punctuation">.</span>edges <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">catch</span><span class="token punctuation">(</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
|
||
<span class="token comment">//Error Loading Images</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 function">render</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token punctuation">(</span>
|
||
<span class="token operator"><</span>View<span class="token operator">></span>
|
||
<span class="token operator"><</span>Button title<span class="token operator">=</span><span class="token string">"Load Images"</span> onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_handleButtonPress<span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">></span>
|
||
<span class="token operator"><</span>ScrollView<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>photos<span class="token punctuation">.</span><span class="token function">map</span><span class="token punctuation">(</span><span class="token punctuation">(</span>p<span class="token punctuation">,</span> i<span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token punctuation">(</span>
|
||
<span class="token operator"><</span>Image
|
||
key<span class="token operator">=</span><span class="token punctuation">{</span>i<span class="token punctuation">}</span>
|
||
style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
|
||
width<span class="token punctuation">:</span> <span class="token number">300</span><span class="token punctuation">,</span>
|
||
height<span class="token punctuation">:</span> <span class="token number">100</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">}</span>
|
||
source<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span> uri<span class="token punctuation">:</span> p<span class="token punctuation">.</span>node<span class="token punctuation">.</span>image<span class="token punctuation">.</span>uri <span class="token punctuation">}</span><span class="token punctuation">}</span>
|
||
<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>
|
||
<span class="token operator"><</span><span class="token operator">/</span>ScrollView<span class="token operator">></span>
|
||
<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>
|
||
</code></pre>
|
||
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