Android Components

1. What are the key Android app components?

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2. What is an Activity in Android?

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3. What is a Fragment in Android?

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4. What is a Service in Android?

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5. What is a Broadcast Receiver in Android?

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6. What is a Content Provider in Android?

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7. What is the lifecycle of an Activity in Android?

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8. How do you pass data between Activities in Android?

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9. What is the purpose of a Bundle in Android?

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10. What is the difference between a Service and an IntentService in Android?

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#QuestionsAndAnswers #AndroidComponents

User Interface (UI) Development

1. What is the difference between a View and a ViewGroup in Android UI development?
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2. What is the purpose of XML-based layouts in Android UI development?

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3. How do you create a custom View in Android?

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4. What are some common UI design principles that should be followed when developing Android apps?

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5. How do you implement a responsive design in Android UI development?

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6. How do you handle different screen densities in Android UI development?

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7. What is a RecyclerView in Android UI development?

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8. How do you implement animations in Android UI development?

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9. What are some common UI components in Android?

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10. What is a Material Design guideline in Android UI development?

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#QuestionsAndAnswers

FFMPEGExtension-v1.3.1

ffmpeg extension for ExoPlayer v1.3.1

https://github.com/LiteSoftware/FFMPEGExtension-v1.3.1

AnimationSequence

AnimationSequence is a powerful yet intuitive Jetpack Compose library designed to simplify sequential animations in your Android apps. Easily orchestrate elegant, responsive, and hierarchical animations with minimal effort, enhancing user experience and bringing your UI to life.

https://github.com/pauloaapereira/AnimatedSequence

RxGoogleMobileAds-Unity

Denoscription:
RxGoogleMobileAds-Unity is a library for working with Google Mobile Ads (AdMob) in Unity using reactive programming. It includes convenient classes like RxInterstitialAd and RxRewardedInterstitialAd, allowing you to load and show ads in a streamlined method chain (Init().Load().Show()).

🚀 Features:

+Clean and intuitive API, inspired by Glide(Android)
+ Event handlers for clicks, closures, and errors

https://github.com/LiteSoftware/RxGoogleMobileAds-Unity

LiveData for Unity

A lightweight, type-safe reactive data holder inspired by Android's LiveData — but made for Unity (C#).
This lets you observe data changes safely, without needing manual event unsubnoscriptions.

✨ Key Features:

Zero memory leaks: automatic cleanup of destroyed MonoBehaviours
React to value changes with one line: Observe(this, value => { ... })
Immediately receives the current value on subscribe
Ideal for MVVM, clean architecture, UI binding, and reactive programming in Unity

public MutableLiveData<int> Health = new();
// ...
Health.SetValue(lives);

```csharp
player.Health.Observe(this, health =>
{
// ...
});`


https://github.com/UDFSoft/UnityLiveData/

#unity #csharp #gamedev

ReadMoreTextView

This library provides collapsible Text widgets with 'Read more' and 'Read less' text. (Including Jetpack Compose)

https://github.com/webtoon/ReadMoreTextView

GlideUnity

GlideUnity is a lightweight and convenient wrapper for loading images in Unity, inspired by Glide for Android. It supports loading from the network, file system, and Resources folder, with memory/disk caching, placeholders, and error handling.

Glide.With(this)
     .Load("https://example.com/icon.png")
     .Into(myUIImage);

https://github.com/UDFSoft/GlideUnity

#Unity #Glide

UTimber (Timber for Unity)

A lightweight, extensible logging library for Unity inspired by Android's Timber.

Usage

Setup Plant one or more trees during initialization (e.g. in a bootstrap noscript):

void Awake()
{
    Timber.Plant(new DebugTree()); // Logs to Unity Console
    Timber.Plant(new FileTree("Logs/game.log")); // Logs to file
    Timber.Plant(new NetworkTree("https://yourserver.com/api/logs")); // Logs to network
}

Logging examples

Timber.V("Verbose message");
Timber.D("Debug message");
Timber.I("Info message");
Timber.W("Warning message");
Timber.E("Error message");
Timber.E(new Exception("Something went wrong"));
Timber.E("Error with exception", new Exception("Details"));

Timber.Tag("Network").D("Sending request...");

https://github.com/UDFSoft/UnityTimber/

ffmpeg extension for ExoPlayer v1.3.1


Video: https://www.youtube.com/watch?v=InQNxUaEsKY

Repository: https://github.com/LiteSoftware/FFMPEGExtension-v1.3.1

Multithreading and Concurrency

1. What is the difference between a process and a thread in Android?

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2. What are the different ways to implement multithreading in Android?

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3. What is the difference between AsyncTask and Thread in Android?

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4. What is synchronization in Android, and why is it important?

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5. What is a deadlock in multithreading, and how can it be prevented?

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6. What is a Handler in Android, and how does it work?

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7. What is a race condition in multithreading, and how can it be prevented?

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8. What is the difference between a synchronous and asynchronous operation in Android?

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9. What is a ThreadPoolExecutor in Android, and how does it work?

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10. What is the role of a ContentProvider in Android, and how is it related to multithreading?

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Google's stable JavaScript engine for Android is out

The new stable Jetpack JavaScript Engine library will allow developers to run JS code in an isolated and limited environment.

🌡 WiFi Temperature Sensor (ESP32 + DHT11)

A simple IoT temperature and humidity sensor based on ESP32-C3 and DHT11.
The device measures temperature and humidity, sends the data to a backend server, and from there it can be forwarded, for example, to a Telegram bot.

https://github.com/UDFSoft/Wifi-Temp-Sensor/

UniRetrofit

UniRetrofit is a lightweight wrapper around Proyecto26/RestClient, inspired by Retrofit (Android).
It simplifies working with HTTP requests in Unity, adds support for interceptors, authorization, and convenient integration with Promises (RSG) and Reactive Extensions (R3).

https://github.com/UDFSoft/UniRetrofit/

More details: https://news.1rj.ru/str/+WAzL2hpJ8IA0qIA4

Card Rotating-Flip Animation

https://github.com/Swapnil-J-Patil/Compose_Animations/blob/master/app/src/main/java/com/example/jetpackcomposeanimations/presentation/card_animations/CardFlipAnimation.kt

#Compose