Example analysis of gallery usage of Android control

This article illustrates the gallery usage of Android controls. Share with you for your reference. The details are as follows: the gallery component is mainly used to display the image list horizontally, but as usual. The gallery component can only display a limited number of specified images. That is, if 10 images are specified for the gallery component, the gallery component will not continue to display when it displays the 10th image. Although it doesn't matter most of the time, in some cases, we want the first image to start displaying again when the image is displayed to the last one, that is, cyclic display. To implement this style of gallery component, you need to improve the adapter object of gallery.

The following shows the image through the gallery simulation loop. When clicking an image in a gallery component, an enlarged image is displayed below (using the imageswitcher component).

directory structure

Main.xml layout file:

Galleryactivity class:

Imageviewadapter custom adapter:

Operation results

I hope this article will be helpful to your Android program design.