You can use this Android photo app to stitch photos vertically or horizontally. You can also learn to make some simple yet useful custom views which can help you to get your foundation ready so that you can later move on to creating some really complex views in future.ĭownload – Github | Demo – Play Store 5. This open source android app is ideal for any beginner android developer who wants to learn the basics of Android Development. If you are a beginner android developer, It is perfectly suitable for you to understand.ĭownload – Github | Demo – Play Store 4. If you are wondering how Photo and Video gallery apps for android are made, LeafPic is one of the best open source gallery apps for Android you can try. You can learn how to perform proper file handling on SD cards with this app source code.ĭownload – Github | Demo – Play Store 3. Though building a file manager is quite difficult to get it right on all Android platforms and all devices. Amaze File Manager for AndroidĪ file manager is a very common Android app that you can find on almost any Android device. You can also learn to make custom desktop widgets for Android.ĭownload from Github | Demo – Play Store 2. If you were looking to learn Kotlin, then this calendar app is probably one of the best ways to start. This app makes it perfect to get your hands dirty learning a completely new language for developing Android apps.

As a learning purpose, use these free android apps source codes and improve your Android development skill. To help you get started, we have a compilation of 10 Free Open Source Android Apps in this post below.

Android app source code free download