Android SQLite Database Tutorial 3 # Insert values to SQLite Database ta...

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1<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" /> </RelativeLayout>

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1package com.example.programmingknowledge.sqliteapp; 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; Button btnAddData; @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); btnAddData = (Button)findViewById(R.id.button_add); AddData(); } 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();
}
}
);
}

@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);
}
}

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1package com.example.programmingknowledge.sqliteapp; import android.content.ContentValues; import android.content.Context; 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; } }