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Creating Custom Views

Dependencies and prerequisites

  • Android 2.1 (API level 7) or higher

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Try it out

Download the sample

CustomView.zip

The Android framework has a large set of View classes for interacting with the user and displaying various types of data. But sometimes your app has unique needs that aren’t covered by the built-in views. This class shows you how to create your own views that are robust and reusable.

Lessons

Creating a View Class
Create a class that acts like a built-in view, with custom attributes and support from the ADT layout editor.
Custom Drawing
Make your view visually distinctive using the Android graphics system.
Making the View Interactive
Users expect a view to react smoothly and naturally to input gestures. This lesson discusses how to use gesture detection, physics, and animation to give your user interface a professional feel.
Optimizing the View
No matter how beautiful your UI is, users won't love it if it doesn't run at a consistently high frame rate. Learn how to avoid common performance problems, and how to use hardware acceleration to make your custom drawings run faster.
No examples for this method.
Frequently called with: [Clear]
Portions of this page are reproduced from work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. The original page is available here.