<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="Name" android:id="@+id/textView" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="Surname" android:id="@+id/textView2" android:layout_below="@+id/editText_name" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="Marks" android:id="@+id/textView3" android:layout_below="@+id/editText_surname" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <EditText android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/editText_name" android:layout_alignTop="@+id/textView" android:layout_toRightOf="@+id/textView" android:layout_toEndOf="@+id/textView" /> <EditText android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/editText_surname" android:layout_alignTop="@+id/textView2" android:layout_toRightOf="@+id/textView2" android:layout_toEndOf="@+id/textView2" /> <EditText android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/editText_Marks" android:layout_below="@+id/editText_surname" android:layout_toRightOf="@+id/textView3" android:layout_toEndOf="@+id/textView3" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Add Data" android:id="@+id/button_add" android:layout_below="@+id/editText_Marks" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginTop="76dp" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="View All" android:id="@+id/button_viewAll" android:layout_alignBottom="@+id/button_add" android:layout_toRightOf="@+id/button_add" android:layout_toEndOf="@+id/button_add" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Update" android:id="@+id/button_update" android:layout_below="@+id/button_add" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="id" android:id="@+id/textView_id" android:layout_below="@+id/editText_Marks" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <EditText android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/editText_id" android:layout_alignTop="@+id/textView_id" android:layout_toRightOf="@+id/textView3" android:layout_toEndOf="@+id/textView3" /> </RelativeLayout>
DatabaseHelper
package com.example.programmingknowledge.sqliteapp; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; /** * Created by ProgrammingKnowledge on 4/3/2015. */ public class DatabaseHelper extends SQLiteOpenHelper { public static final String DATABASE_NAME = "Student.db"; public static final String TABLE_NAME = "student_table"; public static final String COL_1 = "ID"; public static final String COL_2 = "NAME"; public static final String COL_3 = "SURNAME"; public static final String COL_4 = "MARKS"; public DatabaseHelper(Context context) { super(context, DATABASE_NAME, null, 1); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL("create table " + TABLE_NAME +" (ID INTEGER PRIMARY KEY AUTOINCREMENT,NAME TEXT,SURNAME TEXT,MARKS INTEGER)"); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { db.execSQL("DROP TABLE IF EXISTS "+TABLE_NAME); onCreate(db); } public boolean insertData(String name,String surname,String marks) { SQLiteDatabase db = this.getWritableDatabase(); ContentValues contentValues = new ContentValues(); contentValues.put(COL_2,name); contentValues.put(COL_3,surname); contentValues.put(COL_4,marks); long result = db.insert(TABLE_NAME,null ,contentValues); if(result == -1) return false; else return true; } public Cursor getAllData() { SQLiteDatabase db = this.getWritableDatabase(); Cursor res = db.rawQuery("select * from "+TABLE_NAME,null); return res; } public boolean updateData(String id,String name,String surname,String marks) { SQLiteDatabase db = this.getWritableDatabase(); ContentValues contentValues = new ContentValues(); contentValues.put(COL_1,id); contentValues.put(COL_2,name); contentValues.put(COL_3,surname); contentValues.put(COL_4,marks); db.update(TABLE_NAME, contentValues, "ID = ?",new String[] { id }); return true; } }
MainActivity
package com.example.programmingknowledge.sqliteapp;
import android.app.AlertDialog; import android.database.Cursor; import android.support.v7.app.ActionBarActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends ActionBarActivity { DatabaseHelper myDb; EditText editName,editSurname,editMarks ,editTextId; Button btnAddData; Button btnviewAll; Button btnviewUpdate; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); myDb = new DatabaseHelper(this); editName = (EditText)findViewById(R.id.editText_name); editSurname = (EditText)findViewById(R.id.editText_surname); editMarks = (EditText)findViewById(R.id.editText_Marks); editTextId = (EditText)findViewById(R.id.editText_id); btnAddData = (Button)findViewById(R.id.button_add); btnviewAll = (Button)findViewById(R.id.button_viewAll); btnviewUpdate= (Button)findViewById(R.id.button_update); AddData(); viewAll(); UpdateData(); } public void UpdateData() { btnviewUpdate.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { boolean isUpdate = myDb.updateData(editTextId.getText().toString(), editName.getText().toString(), editSurname.getText().toString(),editMarks.getText().toString()); if(isUpdate == true) Toast.makeText(MainActivity.this,"Data Update",Toast.LENGTH_LONG).show(); else Toast.makeText(MainActivity.this,"Data not Updated",Toast.LENGTH_LONG).show(); } } ); } public void AddData() { btnAddData.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { boolean isInserted = myDb.insertData(editName.getText().toString(), editSurname.getText().toString(), editMarks.getText().toString() ); if(isInserted == true) Toast.makeText(MainActivity.this,"Data Inserted",Toast.LENGTH_LONG).show(); else Toast.makeText(MainActivity.this,"Data not Inserted",Toast.LENGTH_LONG).show(); } } ); } public void viewAll() { btnviewAll.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { Cursor res = myDb.getAllData(); if(res.getCount() == 0) { // show message showMessage("Error","Nothing found"); return; } StringBuffer buffer = new StringBuffer(); while (res.moveToNext()) { buffer.append("Id :"+ res.getString(0)+"\n"); buffer.append("Name :"+ res.getString(1)+"\n"); buffer.append("Surname :"+ res.getString(2)+"\n"); buffer.append("Marks :"+ res.getString(3)+"\n\n"); } // Show all data showMessage("Data",buffer.toString()); } } ); } public void showMessage(String title,String Message){ AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setCancelable(true); builder.setTitle(title); builder.setMessage(Message); builder.show(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } }
Manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.programmingknowledge.sqliteapp" > <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name=".MainActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
-----------------------------------------------------------------------------
Searches related to Show SQLite Database table Values using Android
Browse SQLite data on the Android emulator
Android SQLite database and content provider
Using SQLite Database with Android
how to create table in sqlite database in android
how to use sqlite database in android eclipse
android sqlite create database example
