(The Java source code download of Sina Weibo client program on Android phones can understand the domain name acquisition and other operations in Android, http operations, microblogging author operations, sqlite operations and microblogging browsing and display operations, including more comprehensive operation techniques from interface to database and network. This includes using sqlite to create a database to save the information required by users to log in to blogs, SoftReference soft citation, creating a new thread to download pictures, obtaining the account list through the microblog client, and using IF discrimination to manage it: if it is empty, it means that you can skip to the AuthorizeActivity page for OAuth authentication for the first time, if it is not empty, read the UserID number, AccessToken, and AccessSecret values of these records, Then call Sina's api interface according to these three values to obtain the user nickname and user avatar icon corresponding to these records. Please download the complete source code for reference. This document includes the following annexes:)