Method example of Android programming to implement custom controls

This paper describes the method of implementing custom controls by Android programming. Share with you for your reference, as follows:

Many times, the controls commonly used in Android can't meet our needs, so we need to customize a control. Today, I made an example of a custom control to share.

First, define a layout to realize the internal layout of the button:

Next, write a class that inherits LinearLayout, imports the layout just, and sets the required methods, so that you can control the display of the custom control content in the code.

Add this control to the layout that needs to use this custom control, just add it in XML.

The background image is used here in drawable / btn.xml

Finally, set this control in the activity, which is similar to other controls:

Finally, let's see the effect of our custom controls!

After clicking, you can also press the button.

More readers interested in Android related content can view the special topics of this site: Android control usage summary, Android development introduction and advanced tutorial, Android view skill summary, activity operation skill summary of Android programming, Android database operation skill summary and Android resource operation skill summary

I hope this article will help you in Android programming.