here is my project link i also update on stack overflow. In this tutorial, you will learn how to delete multiple selected items in your new ArrayList () String rank String country String population int flag ImageView public class ListViewAdapter extends ArrayAdapter please help i m in much trouble. Import 7.app.Context context new ArrayAdapter(context, textViewResourceId) Codota Icon Context public boolean performActions(MenuItem item) getListView().
UserAccountListViewActivity.java: This is the main activity, it shows the ListView control and three buttons in the action bar. │ │ │ │ │ └── UserInfoDBManager.java 2.1 Main Activity Java File. 
│ │ │ │ │ ├── UserAccountListViewActivity.java │ │ │ │ │ ├── UserAccountAddActivity.java
There are four Java classes, one layout XML file, and one menu XML file in this example./. That article introduces how to write a reusable java class to process SQLite database table operations. For database table operation source code, please refer article How To Write Reusable Code For Android SQLite Database. Show Data From SQLite Database In Android ListView Example Source Code. 
You can click each button to add a new user account, edit a checked user account and delete all selected user account.
There are three buttons in the action bar. Please note the table account‘s primary key column name should be ‘ _id‘, otherwise when you use SimpleCursorAdapter to bind the data to the ListView, there will prompt “: column ‘_id’ does not exist” exception. 
127|generic_x86:/ # sqlite3 /data/data//databases/UserInfo.dbĬREATE TABLE android_metadata (locale TEXT) ĬREATE TABLE account( _id integer primary key autoincrement,user_name text,password text,email text )
Run below command in a dos window to show UserInfo.db tables definition and row data in it. Please refer article Android Device Monitor Cannot Open Data Folder Resolve Method for more detail. Then you can use an android device monitor to see the file UserInfo.db is saved in the folder /data/data//databases. Generic_x86:/ # chmod 777 /data/data//databases Run the below command in the dos window to change the folder access permission. The user account data is saved in the SQLite database file UserInfo.db. When the example starts, it will load and show user account data in the list view. Below is this example demo video ( load add edit delete lisview data from sqlite database table example demo ). Operate ListView Row With SQLite DB Example Demo.
0 kommentar(er)
