Você pode aprender Java e Android Programação Conceitos de básico para avançar de nível.
The easiest and quickest way to LEARN Java & Android programming through very User friendly tutorials.
This amazing app contains tutorials which are formulated on DO-IT-YOURSELF concept. Step by step learning of Java and Android programming made easy from beginners to advanced level. Interface is specially designed for Easy Reading so that you never feel tired.
It contains live examples of different topics like Toast,AlertDialog,WebView etc.