In the development process, you sometimes need to use functions such as positioning, so you can use Baidu map, and before using it, you must apply for a key of Baidu map before you can use the functions of Baidu map.

1. First, you must have a Baidu account. If you already have it, you can log in directly. If not, you should register a Baidu ID.

2. With Baidu account, you can go to the website to apply for the key. Baidu "Baidu Map API", click the first message to enter Baidu Map API official website.

3. You will be prompted to enter official website. If you choose an Android programmer, you can go in and learn about Baidu map. You can just shut it down if you know it. Then find the button below to apply for the key and click in.

4. Because it is an application that displays Android Baidu API, click Create Application in the window and select Move. The application name can be set at will.

5, and the most important thing is to fill in the following security code, and you can view the digital signature by opening Eclipse preferences, without the trouble of ordering to view it. As shown by the arrow in the figure, it is the sha 1 value.

6, and then copy it into the security code,+; +package name, the package name here should be consistent with the package name in your program. You're basically done here. Don't start your development until you decide.