Android: Tutorial on Custom View creation [closed]

Can anyone suggest a good tutorial about how to create custom view?

What is custom view and create it in Android?

Creating custom views. By extending the View class or one of its subclasses you can create your custom view. For drawing view use the onDraw() method. In this method you receive a Canvas object which allows you to perform drawing operations on it, e.g. draw lines, circle, text or bitmaps.

What is Customview?

Custom Views is just a way to make an android developer a painter. When you need to create some custom and reuse the views when it is not provided by the Android Ecosystem. Custom Views can be used as widgets like TextView, EditText etc.

Custom View - HorizontalSlider | Hello Android

http://www.helloandroid.com/tutorials/custom-view-horizontalslider