Android realizes product display effect
1、 Create mobile interface layout
Create an activity_ The main.xml file code is as follows:
The renderings are as follows:
2、 Create an XML file to store the presentation
Create a layout file named item.xml with the following code:
3、 Create database
Create a package named DB under the package of com.example.bz0209.shopshowdemo, and define a dbhelper class under the package, which inherits from sqliteopenhelper. The database creation code is as follows:
4、 Create goodsadapter class
For the convenience of operating the database, create a goodsadapter class. Therefore, you need to create a package named entity under the package com.example.bz0209.shopshowdemo, and then define a goodsadapter class under the package com.example.bz0209.shopshowdemo.entityd. The code is as follows:
5、 Create data operation logic class
Create a package named Dao under the package of com.example.bz0209.shopshowdemo and a class named goodsdao to manipulate data. The code is as follows:
6、 Write interface interaction code
After the database operation is completed, the interface needs to interact with the database to display the data in the database in the form of listview. The specific code is as follows:
7、 Display of results after completion
(1) The diagram of creating the database is as follows:
(2) Final operation result diagram:
The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.