FileChannel returns wrong file size of file in assets folder
When your app is compiled all resources are packaged together into what is essentially one big File. To get just the data of the one File you want to read...
How to filter a RecyclerView with a SearchView
Introduction
Since it is not really clear form your question with what exactly you are having trouble I wrote up this quick walkthrough about how to...
How to avoid code duplication doing input validation in subclass
I suggest you split your method into two separate method, one public method which you implement in your base class and a protected abstract method which is...