Android developer portal with tools, libraries, and apps

screenshot-tests-for-android allows to generate fast deterministic screenshots while running instrumentation tests in android.

Simple and light library to do validate observable fields with MVVM for android

Each ValidatedObservableField work like ObservableField, but it have 3 observables properties:

• value - contains the value of type T
• valid - boolean true if ALL Rules are valid
• errorMessage - contains NULL or errorMessage from first invalid Rule

Rules are validated one by one (the order is important), the first invalid Rule will break the chain and set errorMessage. Rules are validated onPropertyChange. You can create your own rules using Rule interface. You can use single Rule or many by RuleCommand.

VectorDrawable Previewer is a Chrome extension for previewing vector drawable. This allows you to see the view of vector drawable on github else.

You can check whether or not the drawable is correct, designers can review it and you needn't read xml and imagine it.