Click the login button is a figure at the beginning, after about a minute or so into the error shown in figure 2

CodePudding user response:

Still do not connect to the database directly, after the background

CodePudding user response:

how to connect the background meowed

CodePudding user response:

,,, why Android connect to the database, and may not always be within the local area network (LAN), the background connection, provided to the mobile terminal interface

CodePudding user response:

Can have a look at the android I wrote to communicate with the server, and android access server interface, then the background to the operation of the database

CodePudding user response:

Android or only do front end show, business procedure and data processing or to the backend to do, when necessary, can consider to cache data on the android, used as a temporary data,

CodePudding user response:

reference 5 floor fyjava1984 reply:

android or only do front end, business procedure and data processing or to the backend to do, when necessary, can consider to cache data on the android, used as a temporary data,

The background how do ah? Can guide it to me? Online resources are scattered look not to understand

CodePudding user response:

references a single program, 4/f m response:

can have a look at the android I wrote to communicate with the server, and android access server interface, then the background to the operation of the database

Ok, thank you!

CodePudding user response:

reference 6 building small grain reply:

Quote: refer to the fifth floor fyjava1984 reply:

android or only do front end show, business procedure and data processing or to the backend to do, when necessary, can consider to cache data on the android, used as a temporary data,

The background how do ah? Can guide it to me? Online resources are scattered look not to understand

A common practice is that the background to make a web service, the android client via HTTP: IP: port/XXX to get the data access to the background, the android client chooses the framework of an HTTP tool, or platform written on discriminating different framework,