Source Code Aplikasi Kuis Android Menggunakan Array

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    tools:context=".MainActivity" >

<ScrollView
    android:layout_marginBottom="50dip"
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:background="#ffffff"
  android:padding="20dp"
  >

<LinearLayout
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:orientation="vertical">

   <ImageView
   android:id="@+id/myGambar" android:layout_centerHorizontal="true"
   android:src="@drawable/a1"
   android:layout_width="fill_parent"
   android:layout_height="240dp"
     android:layout_marginBottom="30dp"
   />

<TextView
android:id="@+id/txtTanya"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="1.Apakah Anda mengalami gejala Pusing2" />

<RadioGroup
android:id="@+id/RadioGroup01"
android:layout_width="wrap_content"
android:layout_height="wrap_content">

  <RadioButton android:text="A. Pilihan A"
  android:id="@+id/radA"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:textColor="#000">
  </RadioButton>

  <RadioButton android:text="B. Pilihan B"
  android:id="@+id/radB"
  android:layout_width="wrap_content"
  android:textColor="#000"
  android:layout_height="wrap_content">
  </RadioButton>

  <RadioButton android:text="C. Pilihan C"
    android:id="@+id/radC"
    android:layout_width="wrap_content"
    android:textColor="#000"
    android:layout_height="wrap_content">
  </RadioButton>
  <RadioButton android:text="D. Pilihan D"
    android:id="@+id/radD"
    android:layout_width="wrap_content"
    android:textColor="#000"
    android:layout_height="wrap_content">
  </RadioButton>

</RadioGroup>

</LinearLayout>
</ScrollView>
</RelativeLayout>

package com.alterindonesia.dani.rambulalulintas;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Random;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;

import android.content.res.Resources;
import android.content.res.Resources.NotFoundException;
import android.text.Html;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.TextView;
import android.widget.Toast;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.graphics.drawable.Drawable;

public class soalsoal extends Activity {
  RadioButton radA, radB, radC, radD;
  String sNama = "Fulan", sUsia = "xx", sJK = "Laki-laki", sCatatan = "";
  int ke = 0, ike = 0, jumsoal = 20, jumBenar = 0,jumSalah = 0;
  int jd;
  String[] arr_pertanyaan;
  String[] arr_jawabA;
  String[] arr_jawabB;
  String[] arr_jawabC;
  String[] arr_jawabD;
  String[] arr_jawabBenar;
  int[] arr_gambar;

  static final String KEY_record = "soal";
  public static final String KEY_pertanyaan = "pertanyaan";
  public static final String KEY_jawabA = "jawabA";
  public static final String KEY_jawabB = "jawabB";
  public static final String KEY_jawabC = "jawabC";
  public static final String KEY_jawabD = "jawabD";
  public static final String KEY_jawabBenar = "jawabBenar";
  public static final String KEY_gambar = "gambar";
  public static final String KEY_idsoal = "idsoal";

  ImageView imgGambar;
  TextView txtTanya;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.aplikasi);

    txtTanya = (TextView) findViewById(R.id.txtTanya);
    imgGambar = (ImageView) findViewById(R.id.myGambar);

    setData();

    radA = (RadioButton) findViewById(R.id.radA);
    radA.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        cekJawaban("A");
        ke = ke + 1;
        if (ke >= jumsoal) {
          selesai();
        } else {
          lihat();
        }
      }
    });

    radB = (RadioButton) findViewById(R.id.radB);
    radB.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        cekJawaban("B");
        ke = ke + 1;
        if (ke >= jumsoal) {
          selesai();
        } else {
          lihat();
        }
      }
    });
    radC = (RadioButton) findViewById(R.id.radC);
    radC.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        cekJawaban("C");
        ke = ke + 1;
        if (ke >= jumsoal) {
          selesai();
        } else {
          lihat();
        }
      }
    });
    radD = (RadioButton) findViewById(R.id.radD);
    radD.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        cekJawaban("D");
        ke = ke + 1;
        if (ke >= jumsoal) {
          selesai();
        } else {
          lihat();
        }
      }
    });
      lihat();
  }

  void cekJawaban(String pil) {
    if (arr_jawabBenar[ike].equalsIgnoreCase(pil)) {
      jumBenar = jumBenar + 1;
      sCatatan = sCatatan + "Soal ke-" + (ke + 1) + " Benar\n";
      Toast.makeText(getBaseContext(), " Pilihan Anda " + pil + " : Benar!", Toast.LENGTH_LONG).show();
    } else {
            jumSalah= jumSalah+ 1;
      sCatatan = sCatatan + "Soal ke-" + (ke + 1) + " Salah\n";
      Toast.makeText(getBaseContext(), " Pilihan Anda " + pil + " : Salah!", Toast.LENGTH_LONG).show();
    }
  }

  void lihat() {
    Random rand = new Random();
    radA.setChecked(false);
    radB.setChecked(false);
    radC.setChecked(false);
    ike = rand.nextInt(19);
    txtTanya.setText((ke + 1) + "." + arr_pertanyaan[ike]);
    radA.setText(arr_jawabA[ike]);
    radB.setText(arr_jawabB[ike]);
    radC.setText(arr_jawabC[ike]);
    radD.setText(arr_jawabD[ike]);
    //  txtTanyake.setText("Pertanyaan ke "+(ke+1) +" dari "+jumsoal+" pertanyaan !");
      imgGambar.setImageResource(arr_gambar[ike]);
//    String uri = null;
//    int imageResource = R.drawable.a1;
//
//    uri = "drawable/" + arr_gambar[ike];
//    Drawable image = null;
//    try {
//      imageResource = getResources().getIdentifier(uri, null, getPackageName());
//      image = getResources().getDrawable(imageResource);
//    } catch (NotFoundException e) {
//      uri = "drawable/no_image";
//      imageResource = getResources().getIdentifier(uri, null, getPackageName());
//      image = getResources().getDrawable(imageResource);
//      e.printStackTrace();
//    }
//    imgGambar.setImageDrawable(image);
  }

  public void selesai() {
        int nilai=0;
     nilai=jumBenar*5;
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("Hasil Nilai");
        builder.setMessage("Total Soal : "+ jumsoal+"\n" +
                "Benar : "+ jumBenar+"\n" +
                "Salah : "+jumSalah+"\n" +
                "Nilai : "+nilai);
        builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
finish();
            }
        });
        builder.show();
  }

  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
      finish();
      return true;
    }
    return super.onKeyDown(keyCode, event);
  }

  void setData() {
    jd = 30;
      arr_pertanyaan = new String[jd];
    arr_jawabA = new String[jd];
    arr_jawabB = new String[jd];
    arr_jawabC = new String[jd];
    arr_jawabD = new String[jd];
    arr_jawabBenar = new String[jd];
    arr_gambar = new int[jd];

    arr_pertanyaan[0] = "Rambu Apakah Diatas..?";
    arr_jawabA[0] = "Tikungan Ke Kanan";
    arr_jawabB[0] = "Tikungan Ke Kiri";
    arr_jawabC[0] = "Tikungan Ganda";
    arr_jawabD[0] = "Tikungan Ganda Ke Kanan";
    arr_jawabBenar[0] = "A";
    arr_gambar[0] =R.drawable.a2;

    arr_pertanyaan[1] = "Rambu Apakah Diatas..?";
    arr_jawabA[1] = "Dilarang Stop";
    arr_jawabB[1] = "Dilarang Berhenti";
    arr_jawabC[1] = "Roda Dua Dilarang Melintas";
    arr_jawabD[1] = "Dilarang Melintas";
    arr_jawabBenar[1] = "D";
    arr_gambar[1] =R.drawable.b1;

    arr_pertanyaan[2] = "Rambu Apakah Diatas..?";
    arr_jawabA[2] = "Jalan Menurun Landai";
    arr_jawabB[2] = "Jalan Menanjak Landai";
    arr_jawabC[2] = "Jalan Menanjak Curam";
    arr_jawabD[2] = "Penyempitan Sisi Kiri";
    arr_jawabBenar[2] = "C";
    arr_gambar[2] =R.drawable.a19;

    arr_pertanyaan[3] = "Rambu Apakah Diatas..?";
    arr_jawabA[3] = "Hati-Hati Tikungan Ganda";
    arr_jawabB[3] = "Tikungan Tajam Ke Kanan";
    arr_jawabC[3] = "Tikungan Kekanan";
    arr_jawabD[3] = "Pengurangan Lajur Sisi Kiri";
    arr_jawabBenar[3] = "A";
    arr_gambar[3] =R.drawable.a4;

    arr_pertanyaan[4] = "Rambu Apakah Diatas..?";
    arr_jawabA[4] = "Maksimal Berat 8 Ton";
    arr_jawabB[4] = "Dilarang Parkir";
    arr_jawabC[4] = "Dilarang Putar Arah";
    arr_jawabD[4] = "Dilarang Berhenti";
    arr_jawabBenar[4] = "A";
    arr_gambar[4] =R.drawable.b10;

    arr_pertanyaan[5] = "Rambu Apakah Diatas..?";
    arr_jawabA[5] = "Hati-Hati Tikungan Ganda";
    arr_jawabB[5] = "Tikungan Tajam Ke Kanan";
    arr_jawabC[5] = "Tikungan Ganda";
    arr_jawabD[5] = "Tikungan Ke Kanan";
    arr_jawabBenar[5] = "C";
    arr_gambar[5] =R.drawable.a4;

    arr_pertanyaan[6] = "Rambu Apakah Diatas..?";
    arr_jawabA[6] = "Jalan Menurun Landai";
    arr_jawabB[6] = "Jalan Menurun Curam";
    arr_jawabC[6] = "Jalan Licin";
    arr_jawabD[6] = "Jalan Menanjak Curam";
    arr_jawabBenar[6] = "B";
    arr_gambar[6] =R.drawable.a17;

    arr_pertanyaan[7] = "Rambu Apakah Diatas..?";
    arr_jawabA[7] = "Jalan Berliku";
    arr_jawabB[7] = "Tikungan Tajam";
    arr_jawabC[7] = "Tikungan Ganda Tajam";
    arr_jawabD[7] = "Tikungan Ganda";
    arr_jawabBenar[7] = "A";
    arr_gambar[7] =R.drawable.a10;

    arr_pertanyaan[8] = "Rambu Apakah Diatas..?";
    arr_jawabA[8] = "Dilarang Melintas";
    arr_jawabB[8] = "Dilarang Mendahului";
    arr_jawabC[8] = "Dilarang Putar Arah";
    arr_jawabD[8] = "Dilarang Berhenti";
    arr_jawabBenar[8] = "B";
    arr_gambar[8] =R.drawable.b20;

    arr_pertanyaan[9] = "Rambu Apakah Diatas..?";
    arr_jawabA[9] = "Wajib Membelok Tajam Ke Kiri";
    arr_jawabB[9] = "Belok Kiri";
    arr_jawabC[9] = "Wajib Lurus";
    arr_jawabD[9] = "Dilarang Berhenti";
    arr_jawabBenar[9] = "A";
    arr_gambar[9] =R.drawable.c5;

    arr_pertanyaan[10] = "Rambu Apakah Diatas..?";
    arr_jawabA[10] = "Roda Dua Dilarang Melintas";
    arr_jawabB[10] = "Roda Empat & Roda Dua Dilarang Melintas";
    arr_jawabC[10] = "Roda Empat Dilarang Melintas";
    arr_jawabD[10] = "Dilarang Melintas";
    arr_jawabBenar[10] = "C";
    arr_gambar[10] =R.drawable.b4;

    arr_pertanyaan[11] = "Rambu Apakah Diatas..?";
    arr_jawabA[11] = "Tikungan Ganda";
    arr_jawabB[11] = "Tikungan Kiri";
    arr_jawabC[11] = "Tikungan Kekanan";
    arr_jawabD[11] = "Tikungan Tajam";
    arr_jawabBenar[11] = "A";
    arr_gambar[11] =R.drawable.a3;

    arr_pertanyaan[12] = "Rambu Apakah Diatas..?";
    arr_jawabA[12] = "Jalan Berliku";
    arr_jawabB[12] = "Jalan Kiri";
    arr_jawabC[12] = "Wajib Lurus";
    arr_jawabD[12] = "Jalan Dua Arah";
    arr_jawabBenar[12] = "A";
    arr_gambar[12] =R.drawable.a10;

    arr_pertanyaan[13] = "Rambu Apakah Diatas..?";
    arr_jawabA[13] = "Penyempitan Jalan";
    arr_jawabB[13] = "Belok Kiri";
    arr_jawabC[13] = "Wajib Lurus";
    arr_jawabD[13] = "Jembatan";
    arr_jawabBenar[13] = "A";
    arr_gambar[13] =R.drawable.a13;

    arr_pertanyaan[14] = "Rambu Apakah Diatas..?";
    arr_jawabA[14] = "Penyempitan Jalan Ke Kiri";
    arr_jawabB[14] = "Penyempitan Jalan";
    arr_jawabC[14] = "Penyempitan Jalan Ke Kanan";
    arr_jawabD[14] = "Jembatan";
    arr_jawabBenar[14] = "D";
    arr_gambar[14] =R.drawable.a15;

    arr_pertanyaan[15] = "Rambu Apakah Diatas..?";
    arr_jawabA[15] = "Jalan Menurun Curam";
    arr_jawabB[15] = "Jalan Licin";
    arr_jawabC[15] = "Jalan Menanjak Landai";
    arr_jawabD[15] = "Jalan Menanjak Curam";
    arr_jawabBenar[15] = "B";
    arr_gambar[15] =R.drawable.a20;

    arr_pertanyaan[16] = "Rambu Apakah Diatas..?";
    arr_jawabA[16] = "Wajib Membelok Tajam Ke Kiri";
    arr_jawabB[16] = "Roda Empat Dilarang Melintas";
    arr_jawabC[16] = "Sepeda Dilarang Melintas";
    arr_jawabD[16] = "Dilarang Berhenti";
    arr_jawabBenar[16] = "C";
    arr_gambar[16] =R.drawable.b5;

    arr_pertanyaan[17] = "Rambu Apakah Diatas..?";
    arr_jawabA[17] = "Maksimal Tinggi 4,2 Meter";
    arr_jawabB[17] = "Maksimal Panjang 5 Meter";
    arr_jawabC[17] = "Maksimal Lebar 2,9 Meter";
    arr_jawabD[17] = "Maksimal Berat 8 Ton";
    arr_jawabBenar[17] = "A";
    arr_gambar[17] =R.drawable.b7;

    arr_pertanyaan[18] = "Rambu Apakah Diatas..?";
    arr_jawabA[18] = "Maksimal Tinggi 4,2 Meter";
    arr_jawabB[18] = "Maksimal Panjang 5 Meter";
    arr_jawabC[18] = "Maksimal Lebar 2,9 Meter";
    arr_jawabD[18] = "Maksimal Berat 8 Ton";
    arr_jawabBenar[18] = "D";
    arr_gambar[18] =R.drawable.b9;

    arr_pertanyaan[19] = "Rambu Apakah Diatas..?";
    arr_jawabA[19] = "Maksimal Tinggi 4,2 Meter";
    arr_jawabB[19] = "Maksimal Panjang 5 Meter";
    arr_jawabC[19] = "Maksimal Lebar 2,9 Meter";
    arr_jawabD[19] = "Maksimal Berat 8 Ton";
    arr_jawabBenar[19] = "C";
    arr_gambar[19] =R.drawable.b8;

    arr_pertanyaan[20] = "Rambu Apakah Diatas..?";
    arr_jawabA[20] = "Dilarang Parkir";
    arr_jawabB[20] = "Belok Kiri";
    arr_jawabC[20] = "Wajib Lurus";
    arr_jawabD[20] = "Dilarang Berhenti";
    arr_jawabBenar[20] = "B";
    arr_gambar[20] =R.drawable.b12;

    arr_pertanyaan[21] = "Rambu Apakah Diatas..?";
    arr_jawabA[21] = "Maksimal Kecepatan 80 KM / Jam";
    arr_jawabB[21] = "Minimal Jarak 25 Meter";
    arr_jawabC[21] = "Maksimal Kecepatan 20 KM / Jam";
    arr_jawabD[21] = "Minimal Jarak 50 Meter";
    arr_jawabBenar[21] = "A";
    arr_gambar[21] =R.drawable.b13;

    arr_pertanyaan[22] = "Rambu Apakah Diatas..?";
    arr_jawabA[22] = "Dilarang Berhenti";
    arr_jawabB[22] = " Dilarang Belok Kiri";
    arr_jawabC[22] = "Wajib Lurus";
    arr_jawabD[22] = "Dilarang Mendahului";
    arr_jawabBenar[22] = "D";
    arr_gambar[22] =R.drawable.b20;

    arr_pertanyaan[23] = "Rambu Apakah Diatas..?";
    arr_jawabA[23] = "Dilarang Belok Kiri";
    arr_jawabB[23] = "Belok Kiri";
    arr_jawabC[23] = "Berhenti";
    arr_jawabD[23] = "Dilarang Berhenti";
    arr_jawabBenar[23] = "C";
    arr_gambar[23] =R.drawable.c1;

    arr_pertanyaan[24] = "Rambu Apakah Diatas..?";
    arr_jawabA[24] = "Wajib Berhenti";
    arr_jawabB[24] = "Beri Jalan";
    arr_jawabC[24] = "Wajib Lurus";
    arr_jawabD[24] = "Dilarang Berhenti";
    arr_jawabBenar[24] = "B";
    arr_gambar[24] =R.drawable.c2;

    arr_pertanyaan[25] = "Rambu Apakah Diatas..?";
    arr_jawabA[25] = "Wajib Membelok Tajam Ke Kiri";
    arr_jawabB[25] = "Belok Kiri";
    arr_jawabC[25] = "Wajib Lurus";
    arr_jawabD[25] = "Dilarang Berhenti";
    arr_jawabBenar[25] = "A";
    arr_gambar[25] =R.drawable.c5;

    arr_pertanyaan[26] = "Rambu Apakah Diatas..?";
    arr_jawabA[26] = "Wajib Membelok Tajam Ke Kiri";
    arr_jawabB[26] = "Belok Kiri";
    arr_jawabC[26] = "Wajib Lurus";
    arr_jawabD[26] = "Wajib Membelok Tajam Ke Kanan";
    arr_jawabBenar[26] = "D";
    arr_gambar[26] =R.drawable.c6;

    arr_pertanyaan[27] = "Rambu Apakah Diatas..?";
    arr_jawabA[27] = "Wajib Membelok Tajam Ke Kiri";
    arr_jawabB[27] = "Wajib Mengitari Bundaran";
    arr_jawabC[27] = "Wajib Lurus";
    arr_jawabD[27] = "Dilarang Berhenti";
    arr_jawabBenar[27] = "B";
    arr_gambar[27] =R.drawable.c8;

    arr_pertanyaan[28] = "Rambu Apakah Diatas..?";
    arr_jawabA[28] = "Penanda Kecepatan";
    arr_jawabB[28] = "Rambu petunjuk rute Jalan nasional";
    arr_jawabC[28] = "Penanda Jarak";
    arr_jawabD[28] = "Dilarang Berhenti";
    arr_jawabBenar[28] = "C";
    arr_gambar[28] =R.drawable.e3;

    arr_pertanyaan[29] = "Rambu Apakah Diatas..?";
    arr_jawabA[29] = "Masuk Tol";
    arr_jawabB[29] = "Keluar Tol";
    arr_jawabC[29] = "Simpang susun dengan jalan tol lain ";
    arr_jawabD[29] = "Simpang susun";
    arr_jawabBenar[29] = "A";
    arr_gambar[29] =R.drawable.e5;



  }
}