Java is a cross-platform programming language from Oracle that anyone can use. One thing that you can do with Java is create a text document that you can open in Windows' Notepad program.

Since I have done most of my coding for classes (and almost exclusively in Java), I have always just run my programs through the compiler and never had to worry about actually setting it up to run ...

Add the necessary import statements to your class file. You will need a variety of Android Java classes added to your class file in order to carry out the image importing and Bitmap saving process.