Learn Android Studio 4: Efficient Java-Based Android Apps Development

© Ted Hagos 2020

T. HagosLearn Android Studio 4https://doi.org/10.1007/978-1-4842-5937-5_14

14. Working with Files

Ted Hagos¹ 

(1)

Manila, National Capital Region, Philippines

 

What we’ll cover:

• Introduction to file I/O of Android

• Internal vs. external storage

• How to use internal storage

When you need to work with video, audio, json, or just plain text files, you can use the Java file I/O for local files. You’ll use the same File, InputStream, and OutputWriter, and other I/O classes in Java—if you’ve worked with them before. What will be different in Android is where you save them. In a Java desktop application, you can put your files practically anywhere you want. That’s not the case in Android. Just like in a Java web application, Android apps are not ...