实拍素材收集屏幕合成教程 Lynda – After Effects Compositing a Cell Phone制作手机屏幕数据信息MG动画，然后合成到实拍手机视频素材中，包括跟踪和调色等Here, Andy Needham shows how to take the app mockup created in the companion course, After Effects: Creating a Mobile App Interface, and composite it into live-action footage of a smartphone.

The final product is an animated promo video that helps visualize how the app will be used on a real device.

Andy also covers storyboarding, tracking, keying, color correction, and a few audio tips.

By the end of the course, you’ll have more experience with the screen replacement workflow in After Effects and have a web-ready deliverable ready to share with the world.