DEEP SPACE TRANSMISSIONS
TECH BLOG
Insights, tutorials, and thoughts on Android development.
26 transmissions found
Publish Your First Android App on Google Play (Step by Step)
The final part: prepare your app, build a signed App Bundle, set up Play Console, pass closed testing and launch your first app on Google Play.
Debug Your Android App: Logcat, Breakpoints and Crashes
Crashes are just clues. Learn to use Logcat, read stack traces, fix common beginner crashes and pause your app with breakpoints in Android Studio.
Save Settings in Android with DataStore (Dark Mode Switch)
Use Preferences DataStore to save small settings like dark mode and the user's name, and make your whole Compose app follow them.
Save Data on the Phone with Room Database (Android Beginners)
Save data on the phone with Room. Build a Compose shopping list that works offline and is still there after you close the app.
Loading, Error and Retry Screens in Jetpack Compose
Stop showing blank screens. Add a loading spinner, a friendly error with a Try again button, an empty state and pull-to-refresh to your Compose app.
Get Data from the Internet in Android with Retrofit
Use Retrofit to download real fruit data from a free API and show it in your Jetpack Compose list. Simple steps for total beginners.
Load Images from the Internet in Jetpack Compose with Coil
Show real photos from URLs in your Android app. Learn Coil 3 and AsyncImage in Jetpack Compose with placeholders, error images and rounded crops.
Material 3 Themes, Colors and Dark Mode in Jetpack Compose
Give your Android app its own brand colors, a custom font and automatic dark mode with Material 3 themes in Jetpack Compose. Beginner friendly.
Scaffold, Top App Bar and Bottom Navigation in Jetpack Compose
Give your app a real app look. Add a TopAppBar, bottom tabs for Fruits and Favorites, and a floating button using Jetpack Compose Scaffold.
ViewModel in Jetpack Compose: Add Search and Favorites
Stop losing data when the phone rotates. Learn what a ViewModel is in plain English and add a search box and favorites to our fruit app.
Physical AI: What Robots Learning from Video Really Changes
Skild AI's recent S1 announcement highlights learning from video demonstrations. The engineering challenge is making that flexibility dependable.
MCP Integrations: Why Authentication Makes or Breaks Them
MCP connects AI assistants to application tools, but a working demo is only the beginning. Authentication and predictable operations determine reliability.
Voice AI Apps: Designing Beyond the Microphone Button
Recent voice-model launches make conversational apps more practical. The hard work is handling interruptions, ambiguous requests, and recovery.
AI Security Testing for Android: From Findings to Fixes
GitHub's recent Android security research shows the value of focused AI audits. Here is how to turn suspected vulnerabilities into verified fixes.
Jetpack Compose Navigation for Beginners: Move Between Screens
Connect screens with NavHost and NavController, pass data between screens with routes, go back with popBackStack, and see what to learn next.
AI Coding Agents: How to Review Work You Did Not Write
AI coding agents can take on larger tasks, but reliable delivery still needs clear scope, independent checks, and reviewable changes.
LazyColumn in Jetpack Compose: Build a Scrolling List
Show a fast, scrolling list with LazyColumn. Use a data class, design a list row with Card, and handle taps, with a simple fruit shop example.
Jetpack Compose Buttons and State: Build a Counter App
Make your screen react to taps. Learn Button, onClick, remember, mutableStateOf, rememberSaveable and TextField by building a counter app and a greeter.
Jetpack Compose Tutorial for Beginners: Build Your First Screen
Learn Column, Row, Box and Modifiers in Jetpack Compose, then build a real profile card screen with an image, text and spacing, step by step.
Kotlin Basics for Android Beginners: A Simple Guide
Learn the Kotlin you need for Android: val and var, types, if/else and when, functions, lists, loops, null safety and data classes, with tiny examples.
Your First Android App: Hello World with Kotlin and Jetpack Compose
Create your first Android project, understand every line of MainActivity.kt in plain English, and run your Hello World app on an emulator or your phone.
How to Install Android Studio: Step-by-Step Guide for Beginners
Download and install Android Studio, finish the setup wizard, create an emulator, and connect your real phone, with fixes for the most common problems.
What Is Android Development? A Complete Beginner's Guide
Start your Android journey from zero. Learn what Android development is, what Kotlin, Jetpack Compose and Android Studio are, and what we will build in this beginner series.
Kotlin Coroutines: From Basics to Advanced Patterns
Kotlin Coroutines from basics to advanced: suspend functions, launch vs async, dispatchers, structured concurrency, cancellation, error handling and Flow.
Jetpack Compose: State Management Best Practices
Production-tested state management patterns for Jetpack Compose: remember, state hoisting, unidirectional data flow, ViewModel with StateFlow and derivedStateOf.
Building Clean Architecture in Android: A Practical Guide
A practical guide to Clean Architecture in Android: presentation, domain and data layers, use cases, repositories, Hilt and testing, with real Kotlin code.