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<h1>SDLOnButtonPress Class Reference</h1>
<h3>Section Contents</h3>
<ul>
<li><a href="#section-buttonName">buttonName</a></li>
<li><a href="#section-buttonPressMode">buttonPressMode</a></li>
<li><a href="#section-customButtonID">customButtonID</a></li>
</ul>
<h3>Overview</h3>
<p>Notifies application of button press events for buttons to which the application is subscribed. SDL supports two button press events defined as follows:</p>
<p>SHORT - Occurs when a button is depressed, then released within two seconds. The event is considered to occur immediately after the button is released.</p>
<p>LONG - Occurs when a button is depressed and held for two seconds or more. The event is considered to occur immediately after the two second threshold has been crossed, before the button is released.</p>
<p>HMI Status Requirements:</p>
<p>HMILevel:</p>
<p>The application will receive OnButtonPress notifications for all subscribed buttons when HMILevel is FULL.</p>
<p>The application will receive OnButtonPress notifications for subscribed media buttons when HMILevel is LIMITED. Media buttons include SEEKLEFT, SEEKRIGHT, TUNEUP, TUNEDOWN, and PRESET_0-PRESET_9.</p>
<p>The application will not receive OnButtonPress notification when HMILevel is BACKGROUND or NONE.</p>
<p>AudioStreamingState: Any</p>
<p>SystemContext: MAIN, VR. In MENU, only PRESET buttons. In VR, pressing any subscribable button will cancel VR.</p>
<p>@since SDL 1.0</p>
<section class="section task-group-section">
<h3 id="section-buttonName">
buttonName
</h3>
<p>The button’s name</p>
<p>Required</p>
<h4>Objective-C</h4>
<pre class="highlight objective_c"><code><span class="k">@property</span> <span class="p">(</span><span class="n">nonatomic</span><span class="p">,</span> <span class="n">strong</span><span class="p">)</span> <span class="n"><a href="../Type%20Definitions.html#/c:SDLButtonName.h@T@SDLButtonName">SDLButtonName</a></span> <span class="n">_Nonnull</span> <span class="n">buttonName</span><span class="p">;</span></code></pre>
<h4>Swift</h4>
<pre class="highlight swift"><code><span class="k">var</span> <span class="nv">buttonName</span><span class="p">:</span> <span class="kt"><a href="../Type%20Definitions.html#/c:SDLButtonName.h@T@SDLButtonName">SDLButtonName</a></span> <span class="p">{</span> <span class="k">get</span> <span class="k">set</span> <span class="p">}</span></code></pre>
<h3 id="section-buttonPressMode">
buttonPressMode
</h3>
<p>Indicates whether this is a LONG or SHORT button press event</p>
<p>Required</p>
<h4>Objective-C</h4>
<pre class="highlight objective_c"><code><span class="k">@property</span> <span class="p">(</span><span class="n">nonatomic</span><span class="p">,</span> <span class="n">strong</span><span class="p">)</span> <span class="n"><a href="../Type%20Definitions.html#/c:SDLButtonPressMode.h@T@SDLButtonPressMode">SDLButtonPressMode</a></span> <span class="n">_Nonnull</span> <span class="n">buttonPressMode</span><span class="p">;</span></code></pre>
<h4>Swift</h4>
<pre class="highlight swift"><code><span class="k">var</span> <span class="nv">buttonPressMode</span><span class="p">:</span> <span class="kt"><a href="../Type%20Definitions.html#/c:SDLButtonPressMode.h@T@SDLButtonPressMode">SDLButtonPressMode</a></span> <span class="p">{</span> <span class="k">get</span> <span class="k">set</span> <span class="p">}</span></code></pre>
<h3 id="section-customButtonID">
customButtonID
</h3>
<p>If ButtonName is “CUSTOM_BUTTON”, this references the integer ID passed by a custom button. (e.g. softButton ID)</p>
<p>@since SDL 2.0</p>
<p>Optional, Integer 0 - 65536</p>
<h4>Objective-C</h4>
<pre class="highlight objective_c"><code><span class="k">@property</span> <span class="p">(</span><span class="n">nonatomic</span><span class="p">,</span> <span class="n">strong</span><span class="p">,</span> <span class="n">nullable</span><span class="p">)</span> <span class="n">NSNumber</span><span class="o"><</span><span class="n"><a href="../Protocols.html#/c:objc(pl)SDLInt">SDLInt</a></span><span class="o">></span> <span class="o">*</span><span class="n">customButtonID</span><span class="p">;</span></code></pre>
<h4>Swift</h4>
<pre class="highlight swift"><code><span class="k">var</span> <span class="nv">customButtonID</span><span class="p">:</span> <span class="p">(</span><span class="kt">NSNumber</span> <span class="o">&</span> <span class="kt"><a href="../Protocols.html#/c:objc(pl)SDLInt">SDLInt</a></span><span class="p">)?</span> <span class="p">{</span> <span class="k">get</span> <span class="k">set</span> <span class="p">}</span></code></pre>
</section>
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