Swift lazy initializer with lookup ability if value equals nil
Why do we need it? When to use? If we are building an optional property which is massive resource consuming, the value is offed nil when »
Android Instrumented Tests on Firebase Test Lab with Travis CI
If Travis CI is your Continuous Integration service, running Instrumented Tests right on the Travis CI build is a bad idea. You can only use ARM »
Gson TypeAdapter slow deserialization
If you have been using Gson's TypeAdapter you might want to check your TypeAdapter's constructer to see if it causing performance issue. Recently I received a »
repositories declaration inside build.gradle
I've been confused about the different repositories declaration inside build.gradle. There are: repositories inside top-level build.gradle's buildscript block repositories inside top-level build.gradle's allprojects »
Which storage directory should I use for storing on Android 6+
Android File System Structure Android uses the Linux file system structure which has a single root. So, both internal storage and external storage are directories which »
Disabling notification vibration on Android 8
Starting in Android 8.0 (API level 26), all notifications must be assigned to a channel or it will not appear. NotificationChannel is a new notification »
Lightweight Generics in Objective-C
Except for Swift interoperability, using lightweight generics can make your Objective-C code more readable and self-inspection. Lightweight generics was introduced in WWDC 2015, they named it »
Mockito mocking parameterized class in Kotlin
If you try to mock parameterized class in Kotlin with Mockito val mockMyClass = mock<MyClass<String>>(MyClass<String>::class.java) »
“Incompatible types” Calling Kotlin class with generic interface from Java
// Interface from Java public interface JavaInterface<T> { void process(T var1); } // Class from Kotlin class KotlinClass : JavaInterface<List<String>> { override »
Which nullness annotation you should use on Android?
I noticed that calling some Android SDK method from Kotlin I got Platform Type instead of null-safety type even Android SDK .java file contains @Nullable annotation. »