get JSON data from web and display using RecyclerView
问题 I'm new android, I was create app, it get json data from table in phpmyadmin then save in database of app. And I read data and display on RecyclerView but when I run app at first time, table database show nothing. But from the second time app can read data and display as I want. Anyone help me to run app in the first time as the second time please. Here is my code: db.querydata("Create table if not exists tbl_mon_app (_ID integer primary key, IDMon integer not null, IDCH integer not null,