Add new functionality to existing Android application

Project Scope: Add new barcode decoding engine (ML Kit) to existing Android Studio project. History: Our existing application are using the zxing PDF417 barcode decoding API we need to add a secondary barcode decoder API to our project as the ML Kit can decode higher density barcodes (PDF417). Work needed: Add a secondary barcode engine to the project see [login to view URL] with example source available on [login to view URL] App workflow: (1) User click on button [SCAN] to open and display a new UI (2) User scan barcode (3) Decode barcode through ML Kit API and count the number of characters if it is a certain length long return to main to be encoded and submitted to our backend server. (Programmer can use the existing app source as example) User Interface: New user interface required based on existing UI but screen orientation should be landscape with the Turn Flashlight on (Programmer to reuse existing app code) button at the TOP and a passed text sting at the BOTTOM. Existing project source: Will be made available to successful applicant. Project acceptance: Project will be accepted if programmer supply the project source and project can be rebuild on our development PC. Project timescale: 2-5 days Budget: $50 no bids will be considered above this.