Android development and implementation of custom news loading page function example

This example describes the development of Android to realize the function of custom news loading page. Share with you for your reference, as follows:

1、 Overview:

1. Effect demonstration:

2. Note: when the news page is just loaded, there are generally five states

Unknown state (state_unknown), empty state (state_empty), loading (state_loading), error (state_error), success (state_success)

Because each detail page will appear, we can package them into a custom view of loadpage, which can be reused

2、 Implementation:

1. First, define three layouts. Why three layouts? Because the same page can be used for the unkonw and loading pages, and the success page is the page for loading data. There is no need to define them here

1) The loading page layout has only one progress bar

2) The empty page has only one picture and shows no data

3) There is an error picture and button on the error page. Click the button to reload the data

4. Initialize control

5. All codes:

3、 Use:

More readers interested in Android related content can view the special topics of this site: introduction and advanced tutorial of Android development, summary of Android debugging skills and common problem solving methods, summary of Android basic component usage, summary of Android view skills, summary of Android layout skills and summary of Android control usage

I hope this article will help you in Android programming.