Android A little trick to add WebP "transparency" support on pre-4.2 devices WebP is great, but transparency WebP is only supported natively on Android since 4.2.1. Even though everyone should have minSdk set to at least 19 by now, for apps that sill
Kotlin Get rid of `get` prefix for Kotlin property getters One of the nice things Kotlin provides is interoperability with Java. Existing Java code can just call Kotlin classes/methods as if they were Java classes/methods. However, when it comes to property
Retrofit 2 dynamic header In Retrofit 2, when we need to add additional headers, we would just add an implementation of the Interceptor. But sometimes, we only need to add a particular header for one API call,
Android Use JDK 8 to prevent OOM during Gradle builds Recently, I've run into OutOfMemoryError: PermGen space issue when building Gradle projects, especially with Kotlin. A common way to fix that is to increase the heap size for Gradle JVM, like adding org.
RxJava Cleanup when a subscriber unsubscribes Often times, I need to clean up stuff after a subscriber unsubscribes. There's a handy methods just for that: Subscriptions.create(Action0). The parameter Action0 is a function passed in to do things
Android Enable ProGuard for Android Project Lately we have to deal with Android 65k method limit, so enabling ProGuard to remove some unreferenced methods might be a good way to temporarily solve this problem. Enable ProGuard It's really easy