Adding HDR Video Capabilities to Android Apps | by PAD Editorial | Sep, 2023
TL;DR: High Dynamic Range (HDR) provides improved color, contrast, and brightness for visually stunning video experiences in media-rich Android apps. Developers can enhance their Android apps with HDR video capabilities on devices powered by Snapdragon mobile platforms. This blog dives into using Android’s Camera2 API…
Drawer Navigation using Material 3 in Jetpack Compose | by Saqib | Sep, 2023
Explaining Material3 APIs for Navigation Drawer As mentioned before Material 3 provides explicit Apis for Drawer Navigation, first we will see in brief what those APIs are and later will implement them. The main Composable provided by Material3 is ModelNavigationDrawer mentioned below. Let’s see important…
Leak detection into UI tests. Memory leaks can cause performance… | by Danil Perevalov | Sep, 2023
You can easily integrate LeakCanary into UI tests by simply including a specific code that runs when the test is completed. LeakAssertions.assertNoLeaks() After the test is completed, if you are using Espresso, you should start leak detection with LeakCanary in the method annotated with After….
Akkurate: New library for validation of your domain models | by Matthias Schenk | Sep, 2023
The next step is to create the required constraints. I start with the constraints for the street property. val addressValidator = Validator<Address> {this.street{isNotEmpty() otherwise {“Street must not be empty.”}constrain {it.matches(“[a-zA-Z\\s]+”.toRegex())} otherwise {“Street must contain only letters.”}}} The value must not be empty and also it…
Why has my background Worker stopped? Exploring Android WorkManger’s StopReason | by Paolo Rotolo | Sep, 2023
Between platform changes, new rules, and Android customizations by OEMs, scheduling long-running background jobs has become a quite challenging task. A practical solution that abstracts most of the underlying problems for developers is WorkManager, which supports both short, immediate jobs (Expedited Work) and long-running workers…
Creating the Creational Design Patterns in Kotlin | by Raghav Aggarwal | Sep, 2023
Image generated via Open AI’s DALLE-2 This blog is for someone who is getting started with learning Design Patterns in Kotlin. Here, I have tried to create creational design patterns from scratch rather than just providing their syntax and theory. First, let us revisit what…
3-step guide to adding emojis — Jetpack Emoji Picker | by Nav Singh | Sep, 2023
class CustomRecentEmojiProvider(context: Context) : RecentEmojiAsyncProvider { private val sharedPreferences by lazy {context.getSharedPreferences(RECENT_EMOJI_LIST_PREF_NAME, Context.MODE_PRIVATE)} private val emoji2Frequency: MutableMap<String, Int> by lazy {sharedPreferences.getString(CUSTOM_EMOJI_FREQ_PREF_KEY, null)?.split(SPLIT_CHAR)?.associate { entry ->entry.split(VALUE_DELIMITER, limit = 2).let { value -> value[0] to value[1].toInt() }}?.toMutableMap() ?: mutableMapOf()} override fun getRecentEmojiListAsync(): ListenableFuture<List<String>> =Futures.immediateFuture(emoji2Frequency.toList().sortedByDescending { it.second }.map…
Building Media-Rich Android Apps with MediaCodec and Vendor Extensions | by PAD Editorial | Sep, 2023
If you’re developing media-rich apps for Android, you’ll want to become familiar with the Android API’s MediaCodec class. MediaCodec provides access to low-level media encoder/decoder (CODEC) components for processing audio, video, and compressed data. With it, you can incorporate features like low-latency decoding to enhance…
How Qualcomm Added Audio Offload Support for ExoPlayer | by PAD Editorial | Sep, 2023
If you build rich media apps, you’ve probably used the Android API’s MediaPlayer class for video playback. Like many developers, you may have found that the API’s lack of dynamic streaming support over HTTP, smooth streaming, and persistent caching pushed you to find an alternative….
Unpacking Android Security: Part 4 — Insecure Authentication | by Ed Holloway-George | Sep, 2023
Photo Credit: Felipe Furtado 👋 Hi and welcome to the fourth post in this series where we deep-dive into Android Security (Part 1, 2 and 3). This series focuses on the Top 10 Mobile security threats as determined by The Open Web Application Security Project…