Videos

Tools & Code

• Android Studio: Free tool based on IntelliJ for developing Android applications. Works under most PC OS's.
  • Running Plain Old Java code in Android Studio
• Suggested Java code style guide.
• Intro Java chapter if you want a brief guide to Java for programmers.
• IntelliJ: Optional tool: Free IDE for developing Java applications; get Community Edition. Works under most PC OS's.

Android Tutorials

Basic Android Videos

• Creating a button: Create simple project and add a button calling Log and Toast.
• Using EditText and TextView, shows button with lambda-function
• TextView and strings.xml: Move text to strings.xml, use Java to access string and display on TextView.
• Debugging in Android Studio
• Switching activities in Android Studio. Here is a previous version of this video..
• Floating Action Button & Material Design icons
• Constraint Layout
  • Old video on nesting UI Layouts.
• Forcing activity orientation (to portrait or landscape mode).
• UI & model separation: Separate business logic (Java classes) from the UI (Activities); a pet rock.
  Highly recommended!
• ImageButton.
• Resource by Name: accessing a resource (image) by its name, not its ID.
• Context menu.
• Trouble shooting: resource problems, Java problems, cleaning a project, and working with R file problems.
• ListView: basic ListView with text (from an Array).
• Complex ListView: ListView with text and images from an list of objects (source code).
• AppBar (also called ToolBar or ActionBar)
• Passing data to an Activity using Extras in an Intent. [Old video]
• Returning data from an Activity using Extras in an Intent. [Old video]; source code.
• Dynamic Buttons and Images: populating a table of buttons at runtime and setting text and images on the buttons. (source code).
• Google Maps API Getting Started: Getting an API key and app showing map.
• Google Maps API v2: Getting started, and moving the camera (source code).
• Intro to Google Maps API tutorial.
• Internationalization: Translating to multiple languages (source code).
• Radio Buttons: build radio buttons from data in a resource file.
• Options Screen: create custom options/settings screen with SharedPreferences.
• SharedPrefernces and TextView.
• Dialog (AlertDialog): create a custom AlertDialog and interacting with parent Activity.
• Read CSV file: Read in a CSV file from the raw resource directory into Java objects.
• Create a Pie Graph: Using the MPAndroidChart library, create a pie graph.

Database on Android

• SQLite database: simple example (source code).
• DB to ListView: Populate a complex ListView with text & image IDs from the SQLite database (source code).

Application Server with Android

• Web user interface for the project server. Great for debugging.
• AsyncTask for processing on background thread.
• Android client to download data using a background thread.
• Android client to create/update data.

Testing

• JUnit 5: Setting up JUnit 5 in Android Studio Project
• JUnit 5: Setting up JUnit 5 in IntelliJ Java Project
• JUnit 5: Testing
• JUnit 4 in IntelliJ: Quick introduction (not Android specific).
• JUnit 4 with Exceptions and Ignore (not Android specific).
• Creating a Java project for JUnit 3 (not Android specific).
• Creating a Robotium test project.

Intro Java Programming

• Basics: main(), functions, if, for loop
• Data class (fields, constructor, toString()...)
• ArrayList and For-Each loop
• Model/View Separation

Revision Control

Git Videos

• Android Studio / IntelliJ
  • Git in Android Studio: Creating a GitLab repo, SSH key, and initial push of code.
  • Clone Git repo in Android Studio: Cloning an existing Git (or GitLab) repo via Android Studio.
  • Git Merge Conflicts in Android Studio: Resolving merge conflicts.
  • GitLab workflow with Merge Request: Creating an issue, feature branch, switching branches, commit/push, merge request.
  • GitLab workflow with Conflicting Changes: Resolving conflicting changes before submitting a merge request in Android Studio with GitLab.
• Eclipse (EGit)
  • Git Overview: Introduction to basic parts of working with Git in Eclipse.
  • Create Git Repository: Check-in an existing project into a new Git repository on GitHub.
  • Checkout from Git: Check-out an existing project from a Git repository onto your local computer.
  • Changes in Branches: The standard workflow of making changes in topic branches, merging, and pushing.
  • Pushing changes between repositories with EGit

Spring Boot

• Getting started with Spring Boot in IntelliJ.
• Creating a REST API with Spring Boot in IntelliJ.
• Using Postman to test a REST API.
• Using Postman variables in queries.

SVN Videos

• SVN Demo (basic): install, share, commit, update, check-out new project.
• Ignore bin/ and gen/ folders in project.
• SVN Demo (merge): project checkout, non-conflicting changes, merging conflicting changes, docs/ folder.

Miscellaneous Videos

• Clean Android Studio project: How to clean and zip an Android Studio project for emailing/submission.
• Running a Java application from the IntelliJ build-in terminal.
• Export ZIP from Eclipse: How to export a project as a ZIP file from inside Eclipse.
• JUnit videos: basic, and more (exceptions, coverage,...).
• Run Java JAR from IntelliJ Terminal: How to make a Jar file in IntelliJ, then run it via built-in terminal with external dependencies.
• Deserializing JSON with GSON: What is JSON and how to deserialize a file.

Solving build problems with Eclipse after importing project

After importing the project, if you get the error "Unable to resolve target 'android-XX'", then:

• Right click the project, select Properties.
• Under Android, select a version of Android that you have installed, click OK.
• On the Project menu, clean your project to trigger a full rebuild.

Other Links

• Student Apps on Play Store: You may request your app be posted to the Google Play store. See the guide to listing application on Google Play store.
• Google Coding Interview: Sample video mocking a Google codinc interview.
• Humourous video on requirements gathering.