rs</h4>
				<table class="argument-def parameter-def">
				
					<tr>
						<th scope="row" class="argument-name"><code>mode</code></th>
						<td><p>AVCaptureTorchModeOn/Off</p></td>
					</tr>
				
				</table>
			</div>
			

			

			

			
			<div class="method-subsection discussion-section">
				<h4 class="method-subtitle">Discussion</h4>
				<p>设置闪光灯的开关状态</p><p>开始预览后开始有效</p><p>请参考 AVCaptureTorchMode</p>
			</div>
			

			

			

			
			<div class="method-subsec