This Odoo Flutter Backend is a simple example of a book store back-end with Odoo for a flutter app with an API controller.
http://localhost:8080/api/books
{
"success":true,
"data":[
{
"name":"Book name",
"description":"dfsdf",
"state":"draft",
"publish_date":"2020-05-18",
"language":"en",
"isbn":"23234324",
"price":20.0,
"author":"Ahmed",
"publisher":"Dar",
"categories":[
"Arabic / \u0627\u0644\u0652\u0639\u064e\u0631\u064e\u0628\u064a\u0651\u0629"
]
}
]
}