This class teaches you how to build your first Android app. You’ll learn how to create an Android project and run a debuggable version of the app. You'll also learn some fundamentals of Android app design, including how to build a simple user interface and handle user input. Before you start this class, be sure you have your development environment set up. You need to: Anddev.org • Index page. A Visual Guide to Android Graphical User Interface Widgets. Common Tasks and How to Do Them in Android. Android SDK and Eclipse ADT on Fedora 14/13, CentOS 5.5, RHEL 5.5/6. This is guide howto install Android SDK Tools r16 and Eclipse ADT (Android Development Tools) Plugin on Fedora 16, Fedora 15, Fedora 14, Fedora 13, CentOS 6.2/6.1/6 and Red Hat (RHEL) 6.2/6.1/6.
This Guide Contents 1. Preparing Your Development Computer and Install Required softwares 1.1 Install Sun/Oracle Java 7 JDK/JRE. Building Custom Components. Android offers a sophisticated and powerful componentized model for building your UI, based on the fundamental layout classes: View and ViewGroup.
To start with, the platform includes a variety of prebuilt View and ViewGroup subclasses — called widgets and layouts, respectively — that you can use to construct your UI. A partial list of available widgets includes Button, TextView, EditText, ListView, CheckBox, RadioButton, Gallery, Spinner, and the more special-purpose AutoCompleteTextView, ImageSwitcher, and TextSwitcher.
Among the layouts available are LinearLayout, FrameLayout, RelativeLayout, and others. For more examples, see Common Layout Objects. List of Sample Apps. Welcome to code samples for Android developers.
Here you can browse sample code and learn how to build different components for your applications. Use the categories on the left to browse the available samples. Each sample is a fully functioning Android app. You can browse the resources, source files and see the overall project structure. You can copy and paste the code you need, and if you want to share a link to a specific line you can double-click it to the get the url.