Using RxJava Observable's Completion Semantics for Greater Good - Adel Nizamutdinov
Using RxJava Observable's Completion Semantics for Greater Good Jan 23 rd , 2015 When I first started with RxJava, for me it was all about easy and parametric concurrency. Later I discovered the power of functional composition and real code reuse. But it never ceases to amaze me, so today I want to talk about Observable ’s completion semantics and Subscriber.add(Subscription) method. Unsubscriptio
Google Agera vs. ReactiveX
Introduction If you are following events around Android development, or just happen to follow all things reactive, there was a "big" announcement from Google: they've released their reactive programming library targeting Android specifically: Agera. Of course, one has to look into the details to get an accurate picture. "By Google" means a team in Google working on Google Play Movies. Certainly it
Android N: Introducing upgraded Notifications
After writing about the new Picture-in-Picture feature for Android N, I decided to take a deep dive into another of the new features we saw released in the Developer Preview - notifications. Android N sees some great new additions to the notifications API, so lets take a look at some of these new features and how we can implement them into our Android applications. To get a good grip of these new
A beginners guide to an effective Android testing strategy
Testing quite often is one of the most neglected aspect in many Software projects, and in Android this has been particulary a common issue since the beginning of the platform. Even Google didn’t seem to be making big efforts to encourage testing: Documentation was almost nonexistent, the tools and frameworks were confusing or hard to use and there was almost impossible to find an open source proje
Using Kotlin For Tests in Android
Many developers are quite optimistic about Kotlin future for Android. It sounds so sweet: less verbose, more type-safety, zero-overhead null-safety, Java interop. But not everyone is ready to take a risk and start writing production code using new programming language. Indeed, it could be not mature enough and will add dependencies which increase method count of APK for more than 6.5K. But what if
Kotlin recipes for Android (I): OnGlobalLayoutListener
Today a mate asked me how he could do an OnGlobalLayoutListener properly without incurring in the need of too much boilerplate. This was a tricky question because of a couple of things, let’s see it a little more deeply. What is OnGlobalLayoutListener for? This listener is available for any view’s ViewTreeObserver and it’s quite often used to get a callback when the view is inflated and measured,
Gradle tips & tricks to survive the zombie apocalypse
Gradle is here to stay. Although existing before Android Studio, it became the official build tool for android development and was the turning point on making it popular. But, are we taking full advantage of this great build automation system? Project and build specific global variablesWith gradle, a BuildConfig class is automatically generated and we have the ability to generate additional fields
Effective OkHttp · omg it's mgp!
OkHttp was an invaluable library when developing the Android app for Khan Academy. While its default configuration offers significant utility, below are some steps we took for increasing the resourcefulness and introspective power of OkHttp: 1. Enable response caching on the filesystem By default, OkHttp does not cache responses that permit caching by including such a HTTP Cache-Control header. Th
Introduction to Google Eddystone
Bluetooth beacons are transmitters that use Bluetooth Low Energy 4.0 (BLE) to broadcast signals that can be heard by compatible or smart devices. These transmitters can be powered by batteries or a fixed power source such as a USB adapter. When a smart device is in a beacon’s proximity, the beacon will automatically recognize it and will be able to interact with that device. A few weeks ago, we we
AndroidのTimber(ログ系)とFabric/Crashlytics(クラッシュレポート)を使ってみた。 - さまよえる、Android
Log.d使うのやめよう。 ログのコメントアウトが面倒くさい。 github.com Androidでログを出力するにはLogクラスがある。 開発中は、デバッグ目的でよく利用すよねー リリースのときに、コメントアウトを忘れるんです。 ログ系オープンソースを探してみた結果、Timberを使ってみた。 これでリリースと開発でログの出力を分けたりすることが簡単にできる。 リリース時は、クラッシュレポートのログとして利用する。 compile 'com.jakewharton.timber:timber:4.1.0' DebugTree アプリが起動したら、はじめにTimberの設定をしよう。出力するログのタイプを決める。 リリースとデバッグはこの設定で切り替える。DebugTreeは標準で用意されたライブラリで、リリース目的のログクラスは、独自で作って対応する。 Timber.plant(new
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Android Basic Project Architecture for MVP [Deprecated]
Nowadays, I read lots of articles about how to create a basic project structure for our Android applications. As far as I understand from them, the main approach is implementing MVP (Model View Presenter) pattern which is also important in the development of Android community. After I learned some useful things from other developers, blog posts and example projects, I decided to create a basic pro
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Maps Zen — 地図情報の視覚化
.app 1 .dev 1 #11WeeksOfAndroid 13 #11WeeksOfAndroid Android TV 1 #Android11 3 #DevFest16 1 #DevFest17 1 #DevFest18 1 #DevFest19 1 #DevFest20 1 #DevFest21 1 #DevFest22 1 #DevFest23 1 #hack4jp 3 11 weeks of Android 2 A MESSAGE FROM OUR CEO 1 A/B Testing 1 A4A 4 Accelerator 6 Accessibility 1 accuracy 1 Actions on Google 16 Activation Atlas 1 address validation API 1 Addy Osmani 1 ADK 2 AdMob 32 Ads
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Async Injection in Dagger 2 with RxJava
ITDD — Instrumentation TDD for Android using RESTMock
https://www.polidea.com/blog/RxAndroidBLE_the_most_Simple_way_to_code_Bluetooth_Low_Energy_devices/
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Get Reactive
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