How to create two camera preview in one Activity?
如何创建两个相机预览一个活动吗？
When one of the child designers is selected, its representation is displayed in a preview window that the activity preview designer hosts below the strip.
选择了其中一个子设计器时，其表示形式将显示在栏下方由活动预览设计器承载的预览窗口中。
When one of the child designers is selected, its representation is displayed in a preview window that the activity preview designer hosts below the strip.
选择了其中一个子设计器时，其表示形式将显示在栏下方由活动预览设计器承载的预览窗口中。
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