1.1 Create SQLite Database Example. In case if you are not aware of creating an app in android studio check this article Android Hello World App. If you observe above code, we are deleting the details using delete() method based on our requirements. Source Code Source Code of Examples 14.2. Now we need to add this newly created activity in AndroidManifest.xml file in like as shown below. 9.0 Notes. public void delete (String ID) { SQLiteDatabase sqLiteDatabase = this.getWritableDatabase (); //deleting row sqLiteDatabase.delete (TABLE_NAME, "ID=" + ID, null); sqLiteDatabase.close (); } In this tutorial, we will create a simple Notes application using … This Android SQLite tutorial will cover the simple operation of SQLite databases like insert and display data. In the above code, we have taken name and salary as Edit text, when user click on save button it will store the data into sqlite data base and update on listview. SQLite is a lightweight database that comes with Android OS. SQLite is an open-source, zero-configuration, self-contained, stand-alone, transaction relational database engine designed to be embedded into an application. Click next and select a blank activity next, and leave main activity as default and click finish. Step 3 − Add the following code to src/MainActivity.java, Step 4 − Add the following code to src/ DatabaseHelper.java, Let's try to run your application. ",new String[]{String.valueOf(userid)}); db.close(); } // Update User Details public int UpdateUserDetails(String location, String designation, int id){ SQLiteDatabase db = this.getWritableDatabase(); ContentValues cVals = new ContentValues(); cVals.put(KEY_LOC, location); cVals.put(KEY_DESG, designation); int count = db.update(TABLE_Users, cVals, KEY_ID+" = ? Once we create a new layout resource file details.xml, open it and write the code like as shown below, . Create a new android application using android studio and give names as SQLiteExample. Following is the example of creating the SQLite database, insert and show the details from the SQLite database into an android listview using the SQLiteOpenHelper class. public void insert(String name, String desc) { ContentValues contentValue = new ContentValues (); contentValue.put (DatabaseHelper.SUBJECT, name); contentValue.put (DatabaseHelper.DESC, desc); database.insert (DatabaseHelper.TABLE_NAME, null, contentValue); } */ public class DetailsActivity extends AppCompatActivity { Intent intent; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.details); DbHandler db = new DbHandler(this); ArrayList> userList = db.GetUsers(); ListView lv = (ListView) findViewById(R.id.user_list); ListAdapter adapter = new SimpleAdapter(DetailsActivity.this, userList, R.layout.list_row,new String[]{"name","designation","location"}, new int[]{R.id.name, R.id.designation, R.id.location}); lv.setAdapter(adapter); Button back = (Button)findViewById(R.id.btnBack); back.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { intent = new Intent(DetailsActivity.this,MainActivity.class); startActivity(intent); } }); } }. The UPDATE clause updates a table by changing a value for a specific column. So, there is no need to perform any database setup or administration task. This method is called only once throughout the application after the database is created and the table creation statements can be written in this method. How to use sqlite_version () in Android sqlite? 2. To know more about SQLite, check this SQLite Tutorial with Examples. , Now open your main activity file MainActivity.java from \java\com.tutlane.sqliteexample path and write the code like as shown below, package com.tutlane.sqliteexample; import android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends AppCompatActivity { EditText name, loc, desig; Button saveBtn; Intent intent; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); name = (EditText)findViewById(R.id.txtName); loc = (EditText)findViewById(R.id.txtLocation); desig = (EditText)findViewById(R.id.txtDesignation); saveBtn = (Button)findViewById(R.id.btnSave); saveBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String username = name.getText().toString()+"\n"; String location = loc.getText().toString(); String designation = desig.getText().toString(); DbHandler dbHandler = new DbHandler(MainActivity.this); dbHandler.insertUserDetails(username,location,designation); intent = new Intent(MainActivity.this,DetailsActivity.class); startActivity(intent); Toast.makeText(getApplicationContext(), "Details Inserted Successfully",Toast.LENGTH_SHORT).show(); } }); } }. Now let’s start by creating new project in Android Studio. SQLite is an opensource SQL database that stores data to a text file on a device. In this article, I have attempted to demonstrate the use of SQLite database in Android in the simplest manner possible. Inserting some data by creating objects and then saving them 3. Just like we save the files on the device’s internal storage, Android stores our database in a private disk space that’s associated with our application and the data is secure, because by default this area is not accessible to other applications. Now open activity_main.xml file from \res\layout folder path and write the code like as shown below. If you observe above code, we are getting the details from SQLite database and binding the details to android listview. Install Sqlite.net Packages. Welcome to SQLite with multiple tables in Android Studio example. SQLite database works same as MySQL database and also gives us the facility to create tables and help us to perform all types of table related certain tasks like Add records, Edit records, delete records, update records. The SELECT statement is one of the most commonly used statements in SQL. When we run the above example in the android emulator we will get a result as shown below. 2.0 Create a record in Android SQLite Database 3.0 Count records from Android SQLite Database 4.0 Read records from Android SQLite Database 5.0 Update a record in Android SQLite Database 6.0 Delete a record in Android SQLite Database 7.0 Download Source Code 8.0 What’s Next? When you want to store the data in an effective manner and are useful to show to the user later, you should use SQLite for quick insertion and fetch of the data. */ public class DbHandler extends SQLiteOpenHelper { private static final int DB_VERSION = 1; private static final String DB_NAME = "usersdb"; private static final String TABLE_Users = "userdetails"; private static final String KEY_ID = "id"; private static final String KEY_NAME = "name"; private static final String KEY_LOC = "location"; private static final String KEY_DESG = "designation"; public DbHandler(Context context){ super(context,DB_NAME, null, DB_VERSION); } @Override public void onCreate(SQLiteDatabase db){ String CREATE_TABLE = "CREATE TABLE " + TABLE_Users + "(" + KEY_ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + KEY_NAME + " TEXT," + KEY_LOC + " TEXT," + KEY_DESG + " TEXT"+ ")"; db.execSQL(CREATE_TABLE); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion){ // Drop older table if exist db.execSQL("DROP TABLE IF EXISTS " + TABLE_Users); // Create tables again onCreate(db); } // **** CRUD (Create, Read, Update, Delete) Operations ***** // // Adding new User Details void insertUserDetails(String name, String location, String designation){ //Get the Data Repository in write mode SQLiteDatabase db = this.getWritableDatabase(); //Create a new map of values, where column names are the keys ContentValues cValues = new ContentValues(); cValues.put(KEY_NAME, name); cValues.put(KEY_LOC, location); cValues.put(KEY_DESG, designation); // Insert the new row, returning the primary key value of the new row long newRowId = db.insert(TABLE_Users,null, cValues); db.close(); } // Get User Details public ArrayList> GetUsers(){ SQLiteDatabase db = this.getWritableDatabase(); ArrayList> userList = new ArrayList<>(); String query = "SELECT name, location, designation FROM "+ TABLE_Users; Cursor cursor = db.rawQuery(query,null); while (cursor.moveToNext()){ HashMap user = new HashMap<>(); user.put("name",cursor.getString(cursor.getColumnIndex(KEY_NAME))); user.put("designation",cursor.getString(cursor.getColumnIndex(KEY_DESG))); user.put("location",cursor.getString(cursor.getColumnIndex(KEY_LOC))); userList.add(user); } return userList; } // Get User Details based on userid public ArrayList> GetUserByUserId(int userid){ SQLiteDatabase db = this.getWritableDatabase(); ArrayList> userList = new ArrayList<>(); String query = "SELECT name, location, designation FROM "+ TABLE_Users; Cursor cursor = db.query(TABLE_Users, new String[]{KEY_NAME, KEY_LOC, KEY_DESG}, KEY_ID+ "=? Simple uses of SELECT statement. Create an another layout file (list_row.xml) in /res/layout folder to show the data in listview, for that right click on layout folder à add new Layout resource file à Give name as list_row.xml and write the code like as shown below. Go to Solution Explorer-> Project Name-> References. package com.example.sqliteoperations; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; public class myDbAdapter { myDbHelper myhelper; public myDbAdapter(Context context) { myhelper = new … Then, right-click to … How to use total_changes()in Android sqlite. SQLite with multiple tables in Android example guides you to create multiple tables with simple source code. You can use the SELECT statement to perform a simple calculation as follows: Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.xml. Before getting into example, we should know what sqlite data base in android is. Kotlin Android SQLite Tutorial. In order to access this database, you don't need to establish any kind of connections for it like JDBC, ODBC etc. In android, by using SQLiteOpenHelper class we can easily create the required database and tables for our application. Android SQLite CRUD Example. Inserting new Record into Android SQLite database table. 1. ListViews, ListActivities and SimpleCursorAdapter 4. if your SQL query is like this. This article assumes that the user has a working knowledge of Android and basic SQL commands. If you observe above code, we are updating the details using update() method based on our requirements. Creating the Data Model. Following is the code snippet to delete the data from the SQLite database using the delete() method in the android application. Now we will create another activity file DetailsActivity.java in \java\com.tutlane.sqliteexample path to show the details from the SQLite database for that right-click on your application folder à Go to New à select Java Class and give name as DetailsActivity.java. Creating the database file 2. We will implement crud operations like insert, update, delete and display data with multiple tables. File: Contact.java. This article contains example about how to create SQLite database, how to create table and how to insert, update, delete, query SQLite table. Saving data to a database is ideal for repeating or structured data, such as contact information. In android, we have different storage options such as shared preferences, internal storage, external storage, SQLite storage, etc. Once we create a new class file DbHandler.java, open it and write the code like as shown below, package com.tutlane.sqliteexample; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import java.util.ArrayList; import java.util.HashMap; /** * Created by tutlane on 06-01-2018. In this tutorial we will going to learn about some basic fundamentals of SQLite database and execute query on a already created DB. If you observe above code, we are taking entered user details and inserting into SQLite database and redirecting the user to another activity. android.database.sqlite.SQLiteOpenHelper; // **** CRUD (Create, Read, Update, Delete) Operations ***** //, insertUserDetails(String name, String location, String designation){, ArrayList> GetUsers(){, "SELECT name, location, designation FROM ", ArrayList> GetUserByUserId(. to store and retrieve the application data based on our requirements. This Android SQLite tutorial will cover two examples. //Get the Data Repository in write mode. Tutlane 2020 | Terms and Conditions | Privacy Policy, //Create a new map of values, where column names are the keys, // Insert the new row, returning the primary key value of the new row. sqlite> SELECT sql FROM sqlite_master WHERE type = 'table' AND tbl_name = 'COMPANY'; Assuming you have only COMPANY table in your testDB.db, this will produce the following result. SQLite is an open-source relational database. 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