Android: Application Development and Design Patterns

Learn to build the Android news reader UI from a hello world baseline to a home and details page, with views, adapters, intents, and a web view.

Develop a news article card in Android Studio using a full-width card view, a vertical layout, a 16:9 image in a percent relative layout, and title, time, and content views.

Represent each news article as an object and display them with an array adapter in a recycler view, enabling scrolling and navigation to the details page.

Implement an array adapter for a recycler view to display news articles on the home page, using a view holder pattern and glide for image loading.

Learn to implement event handling and navigation in Android by responding to card clicks with on click listeners and passing data between activities using intents and extras.

Implement on click listener and intent extras to navigate from the home page to the news details activity using a static launch method and the article index.

Enable Android N multi window by marking activities as resizable and setting layout bounds. Ensure target SDK 24 or higher and test on Android 7.0 to view split screen.

Explore API and networking basics, then implement the app's networking layer using Retrofit to parse JSON responses from the News API, handling endpoints and threading.

Master the basics of APIs, REST, endpoints, and JSON, then learn to fetch news articles with News API using Retrofit and Glide for Android networking.

Parse the news api response by generating pojo classes from json schema for the articles list, using jackson or moshi for parsing and retrofit for networking.

Explore Android networking challenges and how retrofit simplifies API calls by modeling endpoints as annotated interface methods, handling threading, queuing, and JSON parsing with pluggable converters.

Explore testing in Android by applying isolation and integration principles, using unit, integration, end-to-end tests, and test driven development. Adopt patterns like model-view-presenter or model-view-viewmodel for maintainable, scalable apps.

Test unit testing in Android using JUnit-based frameworks like Robolectric and Mockito to validate core business logic without external dependencies, demonstrated with a date formatting method and null handling.

Explore the Android support library for backward compatibility and common UI components, then implement a bread factory pattern using UML diagrams to create object representations of bread types.

Select primary colors from a single material palette (shades 500 and 700) and choose an accent color for contrast, then use alpha-based text transparency for primary and secondary text.

Explore how to implement a material design card view in Android, apply the factory pattern to generate card contents, and optimize layout properties for images, text, and actions.

Develop a sandwich builder using the builder pattern to assemble bread and filling components, enabling optional features and keeping client code unchanged.

Build and customize a navigation drawer using drawer layout and navigation view, configure header and menu, add fragments, and explore left-hand defaults, right-handed options, and material ratio guidelines.