Implementasi Speech Recognition Untuk Sistem Keamanan Unlock Screen Pada Sistem Operasi Android

A-1-

LISTING PROGRAM

1. UserSettingActivity.java
package com.yudhi.lock;

import
import
import
import
import

java.io.File;
java.io.FileNotFoundException;
java.io.FileOutputStream;
java.io.IOException;
java.util.ArrayList;

import
import

import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import

android.app.Activity;
android.app.AlertDialog;
android.content.ActivityNotFoundException;
android.content.DialogInterface;
android.content.Intent;
android.content.SharedPreferences;
android.database.Cursor;
android.graphics.Bitmap;
android.graphics.BitmapFactory;
android.net.Uri;
android.os.Bundle;
android.os.Environment;
android.preference.PreferenceActivity;
android.preference.PreferenceManager;
android.provider.MediaStore;
android.speech.RecognizerIntent;
android.text.InputType;
android.view.Menu;
android.view.MenuItem;

android.view.View;
android.view.View.OnClickListener;
android.widget.*;

public class UserSettingActivity extends Activity {
private static final int SELECT_PICTURE = 1;
private String selectedImagePath;
EditText ePass, eBg;
Button btnChange;
String pass, suara;
DatabaseManager dm;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
dm = new DatabaseManager(this);
ePass = (EditText)findViewById(R.id.ePass);
eBg = (EditText)findViewById(R.id.eBg);

Universitas Sumatera Utara

A-2-

btnChange = (Button)findViewById(R.id.btnChange);
//if(ePass.getText().length()!=0){
startService(new Intent(this,MyService.class));
//
Toast.makeText(getBaseContext(), "Lock actvated!",
Toast.LENGTH_LONG).show();
//}
dm.open();
Cursor c = dm.getPass(1);
if(c!=null && c.moveToFirst()){
ePass.setText(c.getString(1));
}
Cursor cc = dm.getOne(1);
if(cc!=null && cc.moveToFirst()){
eBg.setText(cc.getString(1));
}
dm.close();

ePass.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(
RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "id-ID");
try {
startActivityForResult(intent,
0);
} catch (ActivityNotFoundException a) {
Toast.makeText(getBaseContext(),"Perangkat Tidak
Mendukung",Toast.LENGTH_SHORT).show();
}
}
});
btnChange.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub

Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent,
"Select Picture"), SELECT_PICTURE);
}

Universitas Sumatera Utara

A-3-

});

}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent
data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case 0: {

getBaseContext();
if (resultCode == Activity.RESULT_OK && null != data) {
ArrayList text =
data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
suara = new String(text.get(0));
dm.open();
Cursor c = dm.getPass(1);
if(c!=null && c.moveToFirst()){
dm.updatePass(1, suara);
Cursor cPass = dm.getPass(1);
ePass.setText(cPass.getString(1));
//startService(new
Intent(this,MyService.class));
//Toast.makeText(getBaseContext(), "Lock
activated!", Toast.LENGTH_LONG).show();
}else{
dm.insertPass(suara);
Cursor cPass = dm.getPass(1);
ePass.setText(cPass.getString(1));
//startService(new

Intent(this,MyService.class));
//Toast.makeText(getBaseContext(), "Lock
actvated!", Toast.LENGTH_LONG).show();
}
dm.close();
}
break;
}
case 1: {
getBaseContext();
if (resultCode == Activity.RESULT_OK && null != data) {
Uri selectedImageUri = data.getData();
selectedImagePath = getPath(selectedImageUri);
dm.open();
Cursor ccc = dm.getOne(1);
if(ccc!=null && ccc.moveToFirst()){
dm.updateRecord(1, selectedImagePath);
Cursor c1 = dm.getOne(1);
eBg.setText(c1.getString(1));
//startService(new Intent(this,MyService.class));

Universitas Sumatera Utara

A-4-

}else{
dm.insertOne(selectedImagePath);
Cursor c1 = dm.getOne(1);
eBg.setText(c1.getString(1));
//startService(new Intent(this,MyService.class));
}
ccc.close();
dm.close();
}
break;
}
}
}

public String getPath(Uri uri) {

if( uri == null ) {
// TODO perform some logging or show user feedback
return null;
}
String[] projection = { MediaStore.Images.Media.DATA };
Cursor cursor = managedQuery(uri, projection, null, null, null);
if( cursor != null ){
int column_index = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
// this is our fallback here
return uri.getPath();
}
@Override
public void onBackPressed() {
// Do Here what ever you want do on back press;
if(ePass.getText().length()==0){
final AlertDialog.Builder alert = new

AlertDialog.Builder(this);
alert.setTitle("Gagal Menjalankan LockScreen");
alert.setMessage("Keluar Program?");
alert.setPositiveButton("Ya", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int
whichButton) {
// Do something with value!
finish();
System.exit(1);

Universitas Sumatera Utara

A-5-

}
});
alert.setNegativeButton("Batal", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int
whichButton) {
// Canceled.
}
});
alert.show();
}else{
startService(new Intent(this,MyService.class));
Intent a = new Intent(Intent.ACTION_MAIN);
a.addCategory(Intent.CATEGORY_HOME);
a.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(a);
}
}
}

2. Myservice.java
package com.yudhi.lock;
import
import
import
import
import
import
import
import
import
import
import
import

receiver.lockScreenReeiver;
android.app.KeyguardManager;
android.app.Service;
android.content.BroadcastReceiver;
android.content.Intent;
android.content.IntentFilter;
android.os.Bundle;
android.os.IBinder;
android.telephony.PhoneStateListener;
android.telephony.TelephonyManager;
android.view.WindowManager;
android.widget.Toast;

public class MyService extends Service{
BroadcastReceiver mReceiver;
// Intent myIntent;
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}

@Override
public void onCreate() {
KeyguardManager.KeyguardLock k1;

Universitas Sumatera Utara

A-6-

//getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON|Window
Manager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
KeyguardManager km
=(KeyguardManager)getSystemService(KEYGUARD_SERVICE);
k1= km.newKeyguardLock("IN");
k1.disableKeyguard();

/*try{
StateListener phoneStateListener = new StateListener();
TelephonyManager telephonyManager
=(TelephonyManager)getSystemService(TELEPHONY_SERVICE);
telephonyManager.listen(phoneStateListener,PhoneStateListener.LISTEN_CALL_ST
ATE);
}catch(Exception e){
System.out.println(e);
}*/
/* myIntent = new Intent(MyService.this,LockScreenAppActivity.class);
myIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
Bundle myKillerBundle = new Bundle();
myKillerBundle.putInt("kill",1);
myIntent.putExtras(myKillerBundle);*/
IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
filter.addAction(Intent.ACTION_SCREEN_OFF);
mReceiver = new lockScreenReeiver();
registerReceiver(mReceiver, filter);

super.onCreate();

}
@Override
public void onStart(Intent intent, int startId) {
// TODO Auto-generated method stub
super.onStart(intent, startId);
}
/*class StateListener extends PhoneStateListener{
@Override
public void onCallStateChanged(int state, String incomingNumber) {
super.onCallStateChanged(state, incomingNumber);
switch(state){

Universitas Sumatera Utara

A-7-

case TelephonyManager.CALL_STATE_RINGING:
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
System.out.println("call Activity off hook");
getApplication().startActivity(myIntent);

break;
case TelephonyManager.CALL_STATE_IDLE:
break;
}
}
};*/

@Override
public void onDestroy() {
unregisterReceiver(mReceiver);
super.onDestroy();
}
}

3. Lock.java
package com.yudhi.lock;

import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import
import

receiver.lockScreenReeiver;
android.net.ConnectivityManager;
android.net.NetworkInfo;
android.os.Bundle;
android.os.Handler;
android.app.Activity;
android.app.AlertDialog;
android.app.Dialog;
android.content.Context;
android.content.DialogInterface;
android.content.Intent;
android.database.Cursor;
android.graphics.drawable.Drawable;
android.speech.RecognitionListener;
android.speech.RecognizerIntent;
android.speech.SpeechRecognizer;
android.telephony.PhoneStateListener;
android.telephony.TelephonyManager;
android.text.InputType;
android.util.Log;
android.view.Menu;
android.widget.*;
android.view.KeyEvent;
android.view.View;
android.view.View.OnClickListener;
android.view.animation.Animation;
android.view.animation.AnimationSet;
android.view.animation.AnimationUtils;

Universitas Sumatera Utara

A-8-

import android.view.Window;
import android.view.WindowManager;
import java.lang.Thread;
import java.util.ArrayList;
import java.util.HashMap;

public class Lock extends Activity {
Button btnOpen, btnPass;
CheckBox cb;
TextView txt1;
String pass, suara;
DatabaseManager dm;
RelativeLayout rl;
Dialog dialog;
private SpeechRecognizer sr;
private static final String TAG = "speech";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,Wi
ndowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.lock);
final Animation animRotate =
AnimationUtils.loadAnimation(this,
R.anim.anim_rotate);
final Animation animTranslate =
AnimationUtils.loadAnimation(this,
R.anim.anim_translate);
final Animation animAlpha =
AnimationUtils.loadAnimation(this,
R.anim.anim_alpha);
final Animation animScale =
AnimationUtils.loadAnimation(this,
R.anim.anim_scale);
dialog = new Dialog(Lock.this);
dm = new DatabaseManager(this);
btnOpen = (Button)findViewById(R.id.btn1);
btnPass = (Button)findViewById(R.id.btnPass);
AnalogClock ac = (AnalogClock)
findViewById(R.id.analogClock1);
//cb = (CheckBox)findViewById(R.id.cBoxClock);
//txt1 = (TextView)findViewById(R.id.txt1);
//txt1.setVisibility(View.GONE);
rl = (RelativeLayout)findViewById(R.id.rl);
MyRecognitionListener listener = new
MyRecognitionListener();

Universitas Sumatera Utara

A-9-

sr = SpeechRecognizer.createSpeechRecognizer(this);
sr.setRecognitionListener(listener);
btnPass.setVisibility(View.INVISIBLE);

dm.open();
Cursor c = dm.getOne(1);
if(c!=null && c.moveToFirst()){
String ImagePath = c.getString(1).toString();

rl.setBackgroundDrawable(Drawable.createFromPath(ImagePath));
}else{
rl.setBackgroundResource(R.drawable.bg);
}
dm.close();
try{
// initialize receiver
//startService(new Intent(this,MyService.class));
StateListener phoneStateListener = new
StateListener();
TelephonyManager telephonyManager
=(TelephonyManager)getSystemService(TELEPHONY_SERVICE);
telephonyManager.listen(phoneStateListener,PhoneStateListener.LISTEN_
CALL_STATE);

}catch (Exception e) {
// TODO: handle exception
}

//
//

btnOpen.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(final View view)
{
Intent intent = new Intent(
RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

//
//
//

intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "en-US");
try {

startActivityForResult(intent, 1);
//
} catch
(ActivityNotFoundException a) {
//
Toast.makeText(getBaseContext(),"Perangkat Tidak
Mendukung",Toast.LENGTH_SHORT).show();

Universitas Sumatera Utara

A - 10 -

//

}
//btnOpen.setText("Listening..");
view.startAnimation(animRotate);

dialog.setContentView(R.layout.dialog);
dialog.setTitle("Sedang mendengarkan..");
TextView text = (TextView)
dialog.findViewById(R.id.textDialog);
text.setText("Ucapkan!");
ImageView image = (ImageView)
dialog.findViewById(R.id.imageDialog);
image.setImageResource(R.drawable.voice);
dialog.show();
Button declineButton = (Button)
dialog.findViewById(R.id.declineButton);
// if decline button is clicked, close the custom
dialog
declineButton.setOnClickListener(new
OnClickListener() {
@Override
public void onClick(View v) {
// Close dialog
dialog.dismiss();
}
});

Intent intent = new
Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "id-ID");
intent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS,1);
intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,"com.yudhi.loc
k");
sr.startListening(intent);
}
});
btnPass.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
AnimationSet sets = new AnimationSet(false);
sets.addAnimation(animAlpha);
sets.addAnimation(animScale);
sets.addAnimation(animRotate);
v.startAnimation(sets);
final AlertDialog.Builder alert = new
AlertDialog.Builder(Lock.this);
alert.setTitle("Password :");

Universitas Sumatera Utara

A - 11 -

// Set an EditText view to get user input
final EditText input = new EditText(Lock.this);
input.setInputType(InputType.TYPE_CLASS_TEXT |
InputType.TYPE_TEXT_VARIATION_PASSWORD);
alert.setView(input);
alert.setPositiveButton("Open", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int
whichButton) {
String value = input.getText().toString();
dm.open();
Cursor cc = dm.getPass(1);
if(value.equalsIgnoreCase(cc.getString(1).toString())){
Intent a = new
Intent(Intent.ACTION_MAIN);
a.addCategory(Intent.CATEGORY_HOME);
a.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(a);
finish();
}else{
alert.setMessage("Password Salah!");
input.setCompoundDrawablesWithIntrinsicBounds(0, 0,
R.drawable.ic_wrong, 0);
}
dm.close();
// Do something with value!
}
});
alert.setNegativeButton("Cancel", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
// Canceled.
}
});
alert.show();
}
});
}
Drawable getMyDrawable(Context c,String ImageName) {
return
c.getResources().getDrawable(c.getResources().getIdentifier(ImageName
, "drawable", c.getPackageName()));
}

Universitas Sumatera Utara

A - 12 -

@Override
public void onActivityResult(int requestCode, int resultCode,
Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case 1: {
getBaseContext();
if (resultCode == Activity.RESULT_OK && null != data)
{
//
ArrayList text =
data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
//
//
//
//

suara = new String(text.get(0));
dm.open();
Cursor ccc = dm.getPass(1);

if(suara.equalsIgnoreCase(ccc.getString(1).toString())){
//
Intent a = new Intent(Intent.ACTION_MAIN);
//
a.addCategory(Intent.CATEGORY_HOME);
//
a.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//
startActivity(a);
//
finish();
//
}else{
//
Toast.makeText(getBaseContext(), "Password
Salah!", Toast.LENGTH_LONG).show();
//
}
//
//
dm.close();
}
break;
}
}
}
class MyRecognitionListener implements RecognitionListener
{
public void onReadyForSpeech(Bundle params)
{
Log.d(TAG, "onReadyForSpeech");
}
public void onBeginningOfSpeech()
{
Log.d(TAG, "onBeginningOfSpeech");
}
public void onRmsChanged(float rmsdB)
{
Log.d(TAG, "onRmsChanged");
}
public void onBufferReceived(byte[] buffer)
{
Log.d(TAG, "onBufferReceived");
}
public void onEndOfSpeech()
{

Universitas Sumatera Utara

A - 13 -

Log.d(TAG, "onEndofSpeech");
}
public void onError(int error)
{
Log.d(TAG, "error " + error);
if(dialog.isShowing()){
dialog.dismiss();
}
Toast.makeText(getBaseContext(), "Connection
not Available, use Emergency Button to Open!",
Toast.LENGTH_LONG).show();
btnOpen.setVisibility(View.INVISIBLE);
btnPass.setVisibility(View.VISIBLE);
}
public void onResults(Bundle results)
{
String str = new String();
Log.d(TAG, "onResults " + results);
ArrayList data =
results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
for (int i = 0; i < data.size(); i++)
{
Log.d(TAG, "result " +
data.get(0));
str = data.get(0).toString();
}
suara = new String(str);
dm.open();
Cursor ccc = dm.getPass(1);
if(suara.equalsIgnoreCase(ccc.getString(1).toString())){
Intent a = new
Intent(Intent.ACTION_MAIN);
a.addCategory(Intent.CATEGORY_HOME);
a.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(a);
finish();
}else{
if(dialog.isShowing()){
dialog.dismiss();
}
Toast.makeText(getBaseContext(),
"Password Salah!= "+suara, Toast.LENGTH_LONG).show();
}
dm.close();
//Toast.makeText(getBaseContext(), ""+suara,
Toast.LENGTH_LONG).show();
}
public void onPartialResults(Bundle partialResults)
{
Log.d(TAG, "onPartialResults");

Universitas Sumatera Utara

A - 14 -

}
public void onEvent(int eventType, Bundle params)
{
Log.d(TAG, "onEvent " + eventType);
}
}
class StateListener extends PhoneStateListener{
@Override
public void onCallStateChanged(int state, String
incomingNumber) {
super.onCallStateChanged(state, incomingNumber);
switch(state){
case TelephonyManager.CALL_STATE_RINGING:
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
System.out.println("call Activity off hook");
finish();
break;
case TelephonyManager.CALL_STATE_IDLE:
break;
}
}
};
@Override
public void onStop() {
super.onStop();
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it
is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public void onBackPressed() {
// Do Here what ever you want do on back press;
}
//
@Override
public void onAttachedToWindow() {
// TODO Auto-generated method stub
this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD);
super.onAttachedToWindow();
}
//
@Override

Universitas Sumatera Utara

A - 15 -

public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_SEARCH &&
event.getRepeatCount() == 0) {
return true;
}else if(keyCode == KeyEvent.KEYCODE_HOME){
Log.i("Home Button","Clicked");
}
return false;
}
}

4. StartLockScreen.java
package com.yudhi.lock;
import
import
import
import
import

android.app.Activity;
android.app.KeyguardManager;
android.content.Intent;
android.os.Bundle;
android.view.WindowManager;

public class StartLockScreen extends Activity {
/*
KeyguardManager.KeyguardLock k1;
public void onAttachedToWindow() {
// TODO Auto-generated method stub
this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
super.onAttachedToWindow();
}*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
startService(new Intent(this,MyService.class));
finish();

/*getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON|Wi
ndowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
KeyguardManager km
=(KeyguardManager)getSystemService(KEYGUARD_SERVICE);
k1 = km.newKeyguardLock("IN");
k1.disableKeyguard();*/

}
}

Universitas Sumatera Utara

A - 16 -

5. lockScreenReeiver.java
package receiver;
import
import
import
import

android.app.KeyguardManager;
android.content.BroadcastReceiver;
android.content.Context;
android.content.Intent;

import android.widget.Toast;
import com.yudhi.lock.Lock;
public class lockScreenReeiver extends BroadcastReceiver
public static boolean wasScreenOn = true;

{

@Override
public void onReceive(Context context, Intent intent) {
//Toast.makeText(context, "" + "enterrrrrr",
Toast.LENGTH_SHORT).show();
if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) {
//Toast.makeText(context, "" + "screeen off",
Toast.LENGTH_SHORT).show();
wasScreenOn=false;
Intent intent11 = new Intent(context,Lock.class);
intent11.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent11);
// do whatever you need to do here
//wasScreenOn = false;
} else if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) {
wasScreenOn=true; // saat layar hidup menggunakan tombol kunci
Intent intent11 = new Intent(context,Lock.class); //proses
memanggil activity lock.class
intent11.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//context.startActivity(intent11);
//Toast.makeText(context, "" + "start activity",
Toast.LENGTH_SHORT).show();
// and do whatever you need to do here
// wasScreenOn = true;
}
else if(intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED))
{
/* KeyguardManager.KeyguardLock k1;
KeyguardManager km
=(KeyguardManager)context.getSystemService(context.KEYGUARD_SERVICE);
k1 = km.newKeyguardLock("IN");
k1.disableKeyguard();
*/

Universitas Sumatera Utara

A - 17 -

Intent intent11 = new Intent(context, Lock.class);
intent11.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent11);
// Intent intent = new Intent(context, LockPage.class);
// context.startActivity(intent);
// Intent serviceLauncher = new Intent(context,
UpdateService.class);
// context.startService(serviceLauncher);
// Log.v("TEST", "Service loaded at start");
}
}

}

6. DatabaseManager.java
package com.yudhi.lock;
import
import
import
import
import
import
import

android.content.ContentValues;
android.content.Context;
android.database.Cursor;
android.database.SQLException;
android.database.sqlite.SQLiteDatabase;
android.database.sqlite.SQLiteOpenHelper;
android.util.Log;

public class DatabaseManager
public static final String
public static final String
public static final String
public static final String
private
private
private
private

static
static
static
static

final
final
final
final

{
KEY_ROWID = "_id";
KEY_NAME = "nama";
KEY_SUARA = "pass";
TAG = "DBAdapter";

String DATABASE_NAME = "DBLock";
String DATABASE_TABLE = "yudhi";
String DATABASE_TABLE2 = "tbYudhi";
int DATABASE_VERSION = 2;

private static final String DATABASE_CREATE =
"create table yudhi (_id integer primary key autoincrement, "
+ "nama text not null);";
private static final String DATABASE_CREATE_PASS =
"create table tbYudhi (_id integer primary key autoincrement,
"
+ "pass text not null);";

private final Context context;

Universitas Sumatera Utara

A - 18 -

private DatabaseHelper DBHelper;
private SQLiteDatabase db;
public DatabaseManager(Context ctx)
{
this.context = ctx;
DBHelper = new DatabaseHelper(context);
}
private static class DatabaseHelper extends SQLiteOpenHelper {
DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
try {
db.execSQL(DATABASE_CREATE_PASS);
db.execSQL(DATABASE_CREATE);
} catch (SQLException e) {
e.printStackTrace();
}
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int
newVersion)
{
Log.w(TAG, "Upgrade database dari versi " + oldVersion + " ke "
+ newVersion + ", yang akan menghapus semua data lama");
db.execSQL("DROP TABLE IF EXISTS superhero");
onCreate(db);
}
}
//---membuka database--public DatabaseManager open() throws SQLException
{
db = DBHelper.getWritableDatabase();
return this;
}
void deleteAll()
{
db.delete(DATABASE_TABLE, null, null);
db.delete(DATABASE_TABLE2, null, null);
}
//---menutup database--public void close()
{
DBHelper.close();
}

Universitas Sumatera Utara

A - 19 -

//---memasukkan satu record ke database--public long insertOne(String name)
{
ContentValues initialValues = new ContentValues();
initialValues.put(KEY_NAME, name);
return db.insert(DATABASE_TABLE, null, initialValues);
}
public long insertPass(String s)
{
ContentValues initialValues = new ContentValues();
initialValues.put(KEY_SUARA, s);
return db.insert(DATABASE_TABLE2, null, initialValues);
}
//---menghapus satu record tertentu--public boolean deleteOne(long rowId)
{
return db.delete(DATABASE_TABLE, KEY_ROWID + "=" + rowId, null) > 0;
}
//---menampilkan semua record--public Cursor getAllName()
{
return db.query(DATABASE_TABLE, new String[] {KEY_ROWID, KEY_NAME},
null, null, null, null, null);
}
public Cursor getAllSuara()
{
return db.query(DATABASE_TABLE2, new String[] {KEY_ROWID, KEY_SUARA},
null, null, null, null, null);
}
//---menampilkan satu record tertentu--public Cursor getOne(long rowId) throws SQLException
{
Cursor mCursor = db.query(true, DATABASE_TABLE, new String[] {KEY_ROWID,
KEY_NAME}, KEY_ROWID + "=" + rowId, null, null, null, null, null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
public Cursor getPass(long rowId) throws SQLException
{
Cursor mCursor = db.query(true, DATABASE_TABLE2, new String[]
{KEY_ROWID, KEY_SUARA}, KEY_ROWID + "=" + rowId, null, null, null, null,
null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;

Universitas Sumatera Utara

A - 20 -

}
//---update record--public boolean updateRecord(long rowId, String name)
{
ContentValues args = new ContentValues();
args.put(KEY_NAME, name);
return db.update(DATABASE_TABLE, args, KEY_ROWID + "=" + rowId, null) >
0;
}
public boolean updatePass(long rowId, String i)
{
ContentValues args = new ContentValues();
args.put(KEY_SUARA, i);
return db.update(DATABASE_TABLE2, args, KEY_ROWID + "=" + rowId, null) >
0;
}
}

Universitas Sumatera Utara

B-1

CURRICULUM VITAE
DATA PRIBADI
Nama

: Yudhi Aron Pangaribuan

Tempat lahir

: Mataram

Tanggal lahir

: 17 Januari 1991

Jenis kelamin

: Laki-laki

Golongan darah

:O

KONTAK
Alamat

: Jl. Setia gg. Sosial, no. 12, Tj. Rejo

No. HP

: 085276872550

Email

: yudhi021@gmail.com

PENDIDIKAN
TK

: TK Kristen Aletheia Mataram (1995)

SD

: SD Kristen Aletheia Mataram (1997-2000) – SD Methodist 1
Medan (2000 – 2003)

SMP

: SMP Katolik St. Thomas 1 Medan (2004 – 2006)

SMA

: SMA Negeri 4 Medan (2007 – 2009)

Universitas

: S1 Ilmu Komputer (2009 – 2014)

Universitas Sumatera Utara