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Dynamic List of Spinner from SQLite DB–Android

This is an example to dynamically populate list of items in Android spinner. The list of items is extracted from a table of a SQLite DB (local DB).

Dynamic List of Spinner from SQLite DB–Android

The DB structure is as follow

db.execSQL("CREATE TABLE menujabatan " +
"(jid TEXT, jnama TEXT);");
//insert pre-configured records
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('it','Teknologi Maklumat');");
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('hr','Sumber Manusia');");
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('pz','Pungutan Zakat');");
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('pr','Promo');");

The complete source - https://docs.google.com/file/d/0B34ZxOOoeSDdNWp0Qk9UZ1pZSTQ/edit



The Java source-code


package net.kerul.menuspinner;

import java.util.ArrayList;

import com.google.ads.AdRequest;
import com.google.ads.AdView;

import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;

public class Spinner_Items_from_DB extends Activity {
private DBcon dbhelper = new DBcon(this);
private SQLiteDatabase db;
private Spinner sjbtn, spersonel;
private ArrayList<String> arrayList1 = new ArrayList<String>();
private ArrayList<String> arrayList2;
private ArrayList<String> arrayjid = new ArrayList<String>();
private ArrayAdapter<String> adp,adp2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_senarai);

//UI
//AdView
//admob widget
AdView adView = (AdView)findViewById(R.id.ad);
adView.loadAd(new AdRequest());
//Dynamic String ArrayList
//fetch data from menujabatan
sjbtn=(Spinner)findViewById(R.id.spinner1);

arrayList1.add("Pilih jabatan");
adp = new ArrayAdapter<String> (this,android.R.layout.simple_spinner_dropdown_item,arrayList1);

//spinner personel
arrayList2= new ArrayList<String>();
arrayList2.add("Pilih personel");
adp2 = new ArrayAdapter<String> (this,android.R.layout.simple_spinner_dropdown_item,arrayList2);
spersonel=(Spinner)findViewById(R.id.spinner2);
spersonel.setAdapter(adp2);
spersonel.setEnabled(false);

//fetch list of jabatan from table menujabatan
db = dbhelper.getReadableDatabase();
Cursor cjbtn=db.rawQuery("SELECT * FROM menujabatan;", null);
cjbtn.moveToFirst();//go to first row
do{
String row=cjbtn.getString(1);
arrayjid.add(cjbtn.getString(0));
arrayList1.add(row);
}while (cjbtn.moveToNext());

sjbtn.setAdapter(adp);
sjbtn.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Handling selected item to generate list of personel
//Toast.makeText(getParent().getApplicationContext(), arrayjid.get(arg2), Toast.LENGTH_SHORT).show();

}
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub

}
}
);//end itemListener

//continue spinner personel
spersonel.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
}

@Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
} );

//personel

}//end onCreate

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_senarai, menu);
return true;
}



}

class DBcon extends SQLiteOpenHelper {
final protected static String DATABASE_NAME="staffzpp";
public DBcon(Context context) {
super(context, DATABASE_NAME, null,1);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion >= newVersion) return;
db.execSQL("DROP DATABASE IF EXISTS " + DATABASE_NAME +";");
onCreate(db);
}
@Override
public void onCreate(SQLiteDatabase db) {
//here is the database definition
db.execSQL("CREATE TABLE menujabatan " +
"(jid TEXT, jnama TEXT);");
//insert pre-configured records
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('it','Teknologi Maklumat');");
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('hr','Sumber Manusia');");
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('pz','Pungutan Zakat');");
db.execSQL("INSERT INTO menujabatan (jid, jnama) VALUES('pr','Promo');");

db.execSQL("CREATE TABLE personel " +
"(pnama TEXT, pemail TEXT, jid TEXT);");
//insert pre-configured records
db.execSQL("INSERT INTO personel (pnama, pemail, jid) " +
"VALUES('Rusli Mukhtar','rusli@zakat.com','it');");
db.execSQL("INSERT INTO personel (pnama, pemail, jid) " +
"VALUES('Johan','johan@zakat.com','it');");
db.execSQL("INSERT INTO personel (pnama, pemail, jid) " +
"VALUES('Shazrul','shazrul@zakat.com','it');");
db.execSQL("INSERT INTO personel (pnama, pemail, jid) " +
"VALUES('Khirulnizam','khirul@zakat.com','hr');");
db.execSQL("INSERT INTO personel (pnama, pemail, jid) " +
"VALUES('Minah','minah@zakat.com','pr');");
db.execSQL("INSERT INTO personel (pnama, pemail, jid) " +
"VALUES('Lee','lee@zakat.com','pz');");
}

}



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