Error I followed your video tutorial and I was able to develop the app using Java. Please how do we let the buttons know when nothing was entered. The program crushes when no value is entered and I wanna correct that. Thanks.
not practical between the comic sans font and the tutorials, this will not really help you with anything. I write android applications and can honestly say this will guide you to crashing.
This app contain Java code for different patterns & other useful programs.