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MainActivity.java
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MainActivity.java
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package com.example.trivia;
import androidx.appcompat.app.AppCompatActivity;
import androidx.cardview.widget.CardView;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;
import com.example.trivia.data.AnswerListAsyncResponse;
import com.example.trivia.data.Questionbank;
import com.example.trivia.model.Question;
import com.example.trivia.model.Score;
import com.example.trivia.util.Prefs;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private TextView questiontextview;
private TextView questioncountertextview;
private Button trueButton;
private Button falseButton;
private ImageButton nextButton;
private ImageButton prevButton;
private TextView my_score;
private int currentQuestionIndex = 0;
private List<Question> questionList;
private int scorecounter = 0;
private Score score;
private Prefs prefs;
private TextView highscore;
private Button reset;
//private int reset_button = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
score = new Score();
prefs = new Prefs(MainActivity.this);
nextButton = findViewById(R.id.next_button);
prevButton = findViewById(R.id.prev_button);
trueButton = findViewById(R.id.true_button);
falseButton = findViewById(R.id.false_button);
questioncountertextview = findViewById(R.id.counter_text);
questiontextview = findViewById(R.id.question_text_view);
my_score = findViewById(R.id.my_new_score);
highscore = findViewById(R.id.highest_score);
nextButton.setOnClickListener(this);
prevButton.setOnClickListener(this);
falseButton.setOnClickListener(this);
trueButton.setOnClickListener(this);
reset= findViewById(R.id.reset);
reset.setOnClickListener(this);
questiontextview.setTextColor(getResources().getColor(R.color.Mycolor));
//get prev state
currentQuestionIndex = prefs.getState();
highscore.setText(MessageFormat.format("Highest Score: {0}", String.valueOf(prefs.getHighScore())));
questionList = new Questionbank().getQuestion(new AnswerListAsyncResponse()
{
@Override
public void processFinished(ArrayList<Question> questionArrayList) {
questiontextview.setText(questionArrayList.get(currentQuestionIndex).getAnswer());
questioncountertextview.setText(currentQuestionIndex + "/" + questionArrayList.size()); //0/234
Log.d("Inside","ProcessFinished: " + questionArrayList);
}
});
}
@Override
public void onClick(View view) {
switch(view.getId()){
case R.id.prev_button:
if (currentQuestionIndex>0)
{
currentQuestionIndex = (currentQuestionIndex -1) % questionList.size();
updateQuestion();
}
break;
case R.id.next_button:
currentQuestionIndex = (currentQuestionIndex+1) % questionList.size();
updateQuestion();
break;
case R.id.true_button:
checkAnswer(true);
updateQuestion();
break;
case R.id.false_button:
checkAnswer(false);
updateQuestion();
break;
/* case R.id.reset:
Reset();
//highscore.setText(MessageFormat.format("Highest Score: {0}", String.valueOf(prefs.getHighScore())));
highscore.setText(MessageFormat.format("Highest Score:{0}", reset_button));
break;*/
}
}
private void AddPoints(){
scorecounter +=100;
score.setScore(scorecounter);
Log.d("Score","ADDPoints:" + score.getScore());
}
private void deductPoints(){
if(scorecounter> 0) {
scorecounter -= 100;
score.setScore(scorecounter);
//Log.d("Score", "ADDPoints:" + score.getScore());
}
else
{
scorecounter = 0;
score.setScore(scorecounter);
//og.d("Score Neg","DeductPoints:" + score.getScore());
}
}
private void updateQuestion(){
String question = questionList.get(currentQuestionIndex).getAnswer();
questiontextview.setText(question);
questioncountertextview.setText(currentQuestionIndex + "/" + questionList.size());
}
private void checkAnswer(boolean userChooseCorrect)
{
boolean answertrue = questionList.get(currentQuestionIndex).isAnswertrue();
int toastmessageid=0;
if (userChooseCorrect == answertrue){
fadeView();
AddPoints();
my_score.setText("Your Score: " + scorecounter );
toastmessageid = R.string.correctanswer;
}
else
{
deductPoints();
my_score.setText("Your Score: " + scorecounter );
shakeAnimation();
toastmessageid = R.string.incorrectanswer;
}
Toast.makeText(MainActivity.this,toastmessageid,Toast.LENGTH_SHORT).show();
}
private void fadeView(){
final CardView cardView= findViewById(R.id.cardView);
AlphaAnimation alphaAnimation = new AlphaAnimation(1.0f,0.0f);
alphaAnimation.setDuration(350);
alphaAnimation.setRepeatCount(1);
alphaAnimation.setRepeatMode(Animation.REVERSE);
cardView.setAnimation(alphaAnimation);
alphaAnimation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
cardView.setCardBackgroundColor(Color.GREEN);
}
@Override
public void onAnimationEnd(Animation animation) {
cardView.setCardBackgroundColor(Color.WHITE);
currentQuestionIndex = (currentQuestionIndex+1) % questionList.size();
updateQuestion();
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
}
private void shakeAnimation()
{
Animation shake = AnimationUtils.loadAnimation(MainActivity.this,
R.anim.shake_animation);
final CardView cardView = findViewById(R.id.cardView);
cardView.setAnimation(shake);
shake.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
cardView.setCardBackgroundColor(Color.RED);
}
@Override
public void onAnimationEnd(Animation animation) {
cardView.setCardBackgroundColor(Color.WHITE);
currentQuestionIndex = (currentQuestionIndex+1) % questionList.size();
updateQuestion();
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
}
@Override
protected void onPause() {
prefs.saveHighScore(score.getScore());
prefs.setState(currentQuestionIndex);
super.onPause();
}
/* public void Reset()
{
reset_button = prefs.getHighScore();
reset_button = 0;
highscore.setText(MessageFormat.format("Highest Score:{0}", reset_button));
}*/
}