(The source code of an android mobile phone city on duty weather forecast program can display the real-time climate information at that time, including wind direction, wind force, temperature, suggestions, etc. It can also display the climate information of the next four days, set the object of the real-time climate information, and get the final forecast climate. Here, each time we add a data is final, so we get the final one. The Android climate prediction module is a basic function that can't be understood in Android phones. To learn Android programming, you should start from the basics. The Android climate prediction program will enable you to learn more basic skills in network operation. This document includes the following annexes:)