[2/4]解决USB摄像头打开相机预览界面绿屏

liyujie

2025-08-28 d9927380ed7c8366f762049be9f3fee225860833

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page.tags="Timer"
sample.group=Wearable
@jd:body
 
<p>
            
            This simple wearable app allows the user to set a countdown timer. It runs
            independently on the wearable with no phone connection.
            
        </p>