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Retrofit Basic Usage A standard GET request workflow with Retrofit looks like this: // Build Retrofit instance Retrofit githubRetrofit = new Retrofit.Builder() .baseUrl("https://api.github.com/") .build(); // Create API service implementation GitHubApi gitHubService = githubRetrofit.create(GitHubApi.class); // Generate and e ...

Overview This article demonstrates how to invoke native Android functionality directly from Unity by leveraging the AndroidJavaClass and AndroidJavaObject APIs. Specifically, we'll implement a wrapper that allows displaying Toast notifications—a common Android UI component for showing brief messsages to users. Implementation Details Core Concep ...

Integrating Native Libraries in Android Projects Modern Android applications often require native code for performance-critical operations or to leverage existing C/C++ libraries. This guide covers the process of biulding and bundling native shared libraries (.so files) into an Android project. Setting Up Native Code Create a native source file ...

ZXing (Zebra Crossing) is an open-source Java library designed for processing 1D and 2D barcode images. It supports a wide range of formats, including UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, and QR Code. This library facilitates barcode scanning and decoding using a device's camera, making it a staple choice for Android barcode applicati ...

Introduction Python-uiautomator2 is an open-source automation testing tool specifically designed for testing native Android applications. Supported Platforms and Languages Python-uiautomator2 wraps Google's built-in uiautomator2 testing framework, providing convenient Python interfaces. It allows testers to write Python test code directly on a ...

Dependency Setup Add the following dependencies to your module-level build.gradle file: dependencies { implementation("com.google.dagger:hilt-android:2.44") annotationProcessor("com.google.dagger:hilt-android-compiler:2.44") } Apply the Hilt plugin in the same file: plugins { id("com.android.application&quo ...

Context and Motivation Many developers are familiar with MVP (Model-View-Presenter) as an evolution of MVC, offering clearer separation of concerns, particularly for decoupling the Model from the View. This architectural pattern has gained widespread acceptance among Android developers primarily because it structures code more clearly, even tho ...

The Mechanism of Memory LeaksIn Java, non-static inner classes maintain an implicit reference to their enclosing outer class. Within the Android framework, a Handler is frequently defined as a non-static inner class to simplify access to UI components. When a method like postDelayed is invoked, the Handler instance is encapsulated within a Mess ...

Displaying Real-time Progress on Android SeekBar The SeekBar is a fundamental UI component in Android that allows users to select a value by dragging a thumb along a track. A common requirement is to display the current progress value dynamically, updating in real-time as the user interacts with the slider. This guide demonstrates how to achiev ...

At Google I/O 2018, AndroidX was introduced as the official replacement for the legacy Android Support Library. This migration involves ranaming packages from android.* to androidx.*, while keeping all class names, method signatures, and field names unchanged. Only package names and Maven artifact identifiers are affected. Key Changes in Androi ...