Android implementation of listview asynchronously loading network pictures and dynamically updating

This example describes the method of listview asynchronously loading network pictures and dynamically updating by Android. Share with you for your reference, as follows:

Application example: analyze the data returned from the background and display each in the listview, including activity picture, store name, activity details, address, telephone and distance.

Definition of listview in layout file:

Define the layout of activity picture, store name, activity details, address, phone and distance in the layout file listviewitem

(1) Define the class maplistimageandtext to manage the contents of controls in listviewitem

(2) Define the class maplistviewcache to instantiate the control in listviewitem

(3) Define the class asyncimageloader and start the thread to download the specified image

(4) The definition class maplistimageandtextlistadapter inherits the arrayadapter, which is used to create an asyncimageloader instance and specify the content of the control

(5) Binding of listview and maplistimageandtextlistadapter in the main program

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I hope this article will help you in Android programming.