want to fix the payment functions and billing process

Hi, I have 7+ years of experience in Android app development. I have successfully launched 100+ apps on Google Play Store. I have working experience on both Eclipse and Android Studio. I am especially master in Java. In terms of Android, I am familiar with all components like Barcode, Gps, Firebase, Push Notification, Sqlite, Camera, Media, Fragments, Receiver, Services, Watch face, Android Wear and many more. I am reliable, passionate by what I do and I pay lot of attention to details and more importantly I enjoy architecting new apps with latest technology trends such as RxJava, Dependency Injection, MVP, MVVP, Clean Architecture etc. I have the ability to develop unique, cutting edge applications for different handset and user requirements. I am very passionate to update my knowledge and skills though continuous self learning. Thanks

Hello , I am Android app development Expert and have 7+ years of Experience .Please contact so we can discuss the issues in detail . Thank you

Hi, I hope you are doing good. I have gone through your project description and understand all of your requirements very well. I'm a Professional Android Developer having rich expertise with qualified team. I assure you that, I would resolve your issue in a better way on a low cost and also on a short notice. Feel free to reach me back. Thanks