Sqlite database tutorial androidstudio update#
Sqlite database tutorial androidstudio android#
Sqlite database tutorial androidstudio code#

It automatically manages the creation and update of the database. This method returns true if the cursor is closed and return false otherwiseįor managing all the operations related to the database, an helper class has been given and is called SQLiteOpenHelper. This method returns the current position of the cursor in the table This method returns the total number of rows in the cursor This method returns the array of all the column names of the table. This method returns the name of the column by specifying the index of the column This method returns the index number of a column by specifying the name of the column

This method return the total number of columns of the table. Another method that also does the same job but take some additional parameter is given below This will insert some values into our table in our database. Mydatabase.execSQL('INSERT INTO TutorialsPoint VALUES('admin','admin') ') Mydatabase.execSQL('CREATE TABLE IF NOT EXISTS TutorialsPoint(Username VARCHAR,Password VARCHAR) ') We can create table or insert data into table using execSQL method defined in SQLiteDatabase class. This method is similar to above method but it takes the File object as a path rather then a string. OpenOrCreateDatabase(File file, SQLiteDatabase.CursorFactory factory) This method is equivalent to openDatabase method. It not only opens but create the database if it not exists. OpenOrCreateDatabase(String path, SQLiteDatabase.CursorFactory factory) It is similar to the above method as it also opens the existing database but it does not define any handler to handle the errors of databases

OpenDatabase(String path, SQLiteDatabase.CursorFactory factory, int flags) The common flags mode could be OPEN_READWRITE OPEN_READONLY This method only opens the existing database with the appropriate flag mode. If( TextUtils.isEmpty(EmailHolder) || TextUtils.OpenDatabase(String path, SQLiteDatabase.CursorFactory factory, int flags, DatabaseErrorHandler errorHandler) Checking EditText is empty or no using TextUtils. PasswordHolder = Password.getText().toString() Getting value from All EditText and storing into String Variables.ĮmailHolder = Email.getText().toString() Toast.makeText(MainActivity.this,'Please Enter UserName or Password.',Toast.LENGTH_LONG).show() If any of login EditText empty then this block will be executed. TempPassword = cursor.getString(cursor.getColumnIndex(SQLiteHelper.Table_Column_3_Password)) Storing Password associated with entered email. Public class SQLiteHelper extends SQLiteOpenHelper, null, null, null) After that write these block of codes inside the DatabaseHelper class. To create this first create a new java file called DatabaseHelper, open the newly created file then extend the class by adding SQLiteOpenHelper.

Sqlite database tutorial androidstudio code#

This code contain the script for creating a database and a database connection. It contains some libraries that needed to access the several methods within the app. It describes the overall information about the application.

Sqlite database tutorial androidstudio android#

The Android Manifest file provides essential information about your app to the Android system in which the system must require before running the code. READ ALSO: Image Viewer Application in Android Locate the new layout file called activity_register.xml and write these code inside the file. It will also created a new java file called Register. Then after that create a new empty activity called Login. Next is the creation of activity_dashboard.xml after successfully logging in with the user.