PHP, android, and mysql databases... ...

This is a simple question... I am working on a small project, involving mysql database, android, and php development... I would like to ask which of the following projects should I do first? Is it a simple problem to get the mysql database first and then...

I am working on a small project, involving mysql database, android, and php development...
I would like to ask which of the following projects should I do first?
Is it the android end that gets the mysql database first, then the php interface?
Also, do I write some database access queries to the php interface or directly use functions in the database?

Reply content: This is a simple question...

I am working on a small project, involving mysql database, android, and php development...
I would like to ask which of the following projects should I do first?
Is it the android end that gets the mysql database first, then the php interface?
Also, do I write some database access queries to the php interface or directly use functions in the database?

Generally, the web part is completed before the mobile end.

Or a little more separated development idea, php only provides data interfaces, so that android will also do better with the same set of APIs.

Php and mysql should be carried out together and cannot be separated.

Put the logic in php.