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package com.example.quiz.AccountActivity;
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import android.content.Context;

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import android.content.Intent;

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import android.graphics.Color;

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import android.graphics.drawable.ColorDrawable;

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import android.graphics.drawable.Drawable;

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import android.net.ConnectivityManager;

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import android.net.NetworkInfo;

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import android.os.Bundle;

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import android.os.CountDownTimer;

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import android.os.Handler;

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import android.support.annotation.NonNull;

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import android.support.v7.app.AppCompatActivity;

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import android.view.View;

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import android.widget.Button;

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import android.widget.TextView;

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import android.widget.Toast;

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import com.example.quiz.AccountActivity.Model.QuestionFirebase;

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import com.example.quiz.R;

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import com.google.firebase.database.DataSnapshot;

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import com.google.firebase.database.DatabaseError;

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import com.google.firebase.database.DatabaseReference;

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import com.google.firebase.database.FirebaseDatabase;

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import com.google.firebase.database.ValueEventListener;

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public class QuizOnlineActivity extends AppCompatActivity {

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    Button beback,b1,b2,b3,b4,accept,reset;

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    TextView question, timer, maintitle;

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    private CountDownTimer countDownTimer;

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    int total = 1;

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    int questiontag = 0;

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    int correct = 0;

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    int wrong = 0;

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    DatabaseReference databaseReference;

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    @Override

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    protected void onCreate(Bundle savedInstanceState) {

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        super.onCreate(savedInstanceState);

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        setContentView(R.layout.activity_quiz_online);

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        b1 = findViewById(R.id.button1);

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        b2 = findViewById(R.id.button2);

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        b3 = findViewById(R.id.button3);

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        b4 = findViewById(R.id.button4);

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        question = findViewById(R.id.question);

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        timer = findViewById(R.id.timer);

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        maintitle = findViewById(R.id.maintitle);

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        accept = findViewById(R.id.accept);

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        reset = findViewById(R.id.reset);

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        beback = findViewById(R.id.beback);

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        beback.setOnClickListener(new View.OnClickListener() {

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            @Override

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            public void onClick(View v) {

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                Intent intent = new Intent(QuizOnlineActivity.this, ProfileActivity.class);

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                startActivity(intent);

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            }

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        });

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        accept.setOnClickListener(new View.OnClickListener() {

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            @Override

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            public void onClick(View v) {

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                maintitle.setVisibility(v.GONE);

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                accept.setText("Potwierdź");

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                beback.setText("Przerwij");

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                b1.setVisibility(v.VISIBLE);

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                b2.setVisibility(v.VISIBLE);

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                b3.setVisibility(v.VISIBLE);

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                b4.setVisibility(v.VISIBLE);

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                question.setVisibility(v.VISIBLE);

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                timer.setVisibility(v.VISIBLE);

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                reset.setVisibility(v.VISIBLE);

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                updateQuestions();

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            }

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        });

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    }

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    private boolean isNetworkAvailable() {

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        ConnectivityManager connectivityManager

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                = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

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        NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();

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        return activeNetworkInfo != null && activeNetworkInfo.isConnected();

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    }

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    private void updateQuestions()

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    {

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        if(isNetworkAvailable()==false)

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        {

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            Toast.makeText(QuizOnlineActivity.this, "Brak połączenia z internetem", Toast.LENGTH_SHORT).show();

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        }

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        else if(isNetworkAvailable()==true && total==31)

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        {

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            Intent i = new Intent(getApplicationContext(), ResultActivity.class);

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            i.putExtra("Łącznie pytań:", String.valueOf(questiontag));

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            i.putExtra("Poprawne odpowiedzi:", String.valueOf(correct));

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            i.putExtra("Złe odpowiedzi:", String.valueOf(wrong));

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            startActivity(i);

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        }

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        else

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        {

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            databaseReference = FirebaseDatabase.getInstance().getReference().child("questions").child(String.valueOf(total));

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            databaseReference.addValueEventListener(new ValueEventListener() {

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                @Override

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                public void onDataChange(@NonNull DataSnapshot dataSnapshot) {

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                    final QuestionFirebase questionFirebase = dataSnapshot.getValue(QuestionFirebase.class);

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                    question.setText(questionFirebase.getQuestion());

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                    b1.setText(questionFirebase.getOption1());

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                    b2.setText(questionFirebase.getOption2());

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                    b3.setText(questionFirebase.getOption3());

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                    b4.setText(questionFirebase.getOption4());

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                    final boolean[] tmp1 = new boolean[1];

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                    final boolean[] tmp2 = new boolean[1];

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                    final boolean[] tmp3 = new boolean[1];

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                    final boolean[] tmp4 = new boolean[1];

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                    tmp1[0]=true;

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                    tmp2[0]=true;

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                    tmp3[0]=true;

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                    tmp4[0]=true;

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                    if(b1.getText().toString().equals(questionFirebase.getAnswer1()))

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                    tmp1[0] = false;

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                    if(b2.getText().toString().equals(questionFirebase.getAnswer2()))

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                    tmp2[0] = false;

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                    if(b3.getText().toString().equals(questionFirebase.getAnswer3()))

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                    tmp3[0] = false;

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                    if(b4.getText().toString().equals(questionFirebase.getAnswer4()))

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                    tmp4[0] = false;

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                    b1.setOnClickListener(new View.OnClickListener() {

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                        @Override

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                        public void onClick(View view) {

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                            b1.setBackgroundColor(Color.YELLOW);

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                            tmp1[0] = true;

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                        }

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                    });

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                    b2.setOnClickListener(new View.OnClickListener() {

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                        @Override

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                        public void onClick(View v) {

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                            b2.setBackgroundColor(Color.YELLOW);

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                            tmp2[0] = true;

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                        }

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                    });

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                    b3.setOnClickListener(new View.OnClickListener() {

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                        @Override

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                        public void onClick(View v) {

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                            b3.setBackgroundColor(Color.YELLOW);

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                            tmp3[0] = true;

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                        }

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                    });

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                    b4.setOnClickListener(new View.OnClickListener() {

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                        @Override

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                        public void onClick(View v) {

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                            b4.setBackgroundColor(Color.YELLOW);

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                            tmp4[0] = true;

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                        }

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                    });

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                    reset.setOnClickListener(new View.OnClickListener() {

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                        @Override

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                        public void onClick(View v) {

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                            b1.setBackgroundColor(Color.WHITE);

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                            b2.setBackgroundColor(Color.WHITE);

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                            b3.setBackgroundColor(Color.WHITE);

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                            b4.setBackgroundColor(Color.WHITE);

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                            if(b1.getText().toString().equals(questionFirebase.getAnswer1()))

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                                tmp1[0] = false;

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                            if(b2.getText().toString().equals(questionFirebase.getAnswer2()))

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                                tmp2[0] = false;

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                            if(b3.getText().toString().equals(questionFirebase.getAnswer3()))

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                                tmp3[0] = false;

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                            if(b4.getText().toString().equals(questionFirebase.getAnswer4()))

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                                tmp4[0] = false;

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                        }

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                    });

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                    boolean a =

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                    if(tmp1[0] && tmp2[0] == true && tmp3[0] == true && tmp4[0] == true)

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                    {

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                        accept.setOnClickListener(new View.OnClickListener() {

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                            @Override

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                            public void onClick(View v) {

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                                correct++;

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                                questiontag++;

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                                Handler handler = new Handler();

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                                handler.postDelayed(new Runnable() {

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                                    @Override

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                                    public void run() {

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                                        //countDownTimer.cancel();

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                                        b1.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        b2.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        b3.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        b4.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        updateQuestions();

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                                    }

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                                },0);

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                            }

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                        });

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                    }

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                    else

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                    {

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                        accept.setOnClickListener(new View.OnClickListener() {

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                            @Override

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                            public void onClick(View v) {

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                                wrong++;

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                                questiontag++;

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                                Handler handler = new Handler();

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                                handler.postDelayed(new Runnable() {

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                                    @Override

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                                    public void run() {

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                                        b1.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        b2.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        b3.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        b4.setBackgroundColor(Color.parseColor("#FFFFFF"));

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                                        updateQuestions();

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                                    }

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                                },0);

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                            }

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                        });

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                    }

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                }

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                @Override

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                public void onCancelled(@NonNull DatabaseError databaseError) {

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                }

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            });

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        }

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        total++;

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    }

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    @Override

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    protected void onDestroy() {

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        super.onDestroy();

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        if (countDownTimer != null) {

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            countDownTimer.cancel();

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        }

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    }

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}
        

    


            


                                


        

            



                
    

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