Green Screen App: Photo Booth Entertainment App for iPad

10 Jul 2020

The Client

The Client is an Entertainment start-up based out of Alberta, Canada.

The Need

The client wanted to build a green screen app that offers photo booth experience to users. The mobile app should provide simple yet powerful fun camera experience with desired background images that can be used in different corporate and family events. The client wanted to deliver a fun camera app for birthday parties, weddings, corporate events, and more.

The iOS mobile app needed to have the “green screening” effect where users can capture photos in front of the green screen and later replace the background color with desired images.

The Challenge

The mobile app had to be built on the iOS framework (for iPads) which required necessary functionalities to convert the idea into a full-fledged entertainment iPad green screen app. The project posed the below challenges:

• Retrieving Network IP Address of the device and connecting 2 devices (supports iPad only)
• Cropping the live camera and calculating the area cropped
• Applying chroma color for the live camera

The Solution

The team of certified iOS mobile app developers at Star Knowledge built the iPad mobile app that allows fun photo capture by connecting 2 iPads with their Network IPAddress. To overcome the challenge of applying chroma color to the live camera, the team implemented chroma key effect into the solution that sets a color (blue or green) in an image to transparent so that the users can later substitute the color with the desired background image.

Benefits obtained

• A fun camera app for any event that offers green photo booth experience
• A green screen app that adds fun to any party/event where users can add desired filters to their photos

Technology Stack

• Xcode
• IOS
• Objective-c
• CocoaPods
• GCM push notification
• Google SDK
• Apple SDK
• Web APIs
• GPUImage framework

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