#java #android #android-fragments #timer #countdowntimer
#java #Android #android-фрагменты #таймер #таймер обратного отсчета
Вопрос:
Я разрабатываю программу викторины, в которой вопросы отображаются фрагментами.
- Для истинных / ложных вопросов 1-й фрагмент
- Для 2-го фрагмента MCQ
- MainActivity (из main я отправляю список qs во фрагмент mcq и еще один)
Эти 2 фрагмента отображаются случайным образом, пока тест закончен. Но мне нужно добавить таймер к каждому фрагменту. Как я могу этого добиться?
Я опубликовал фрагмент кода MCQ, другой такой же, как этот. (отличаются только интерфейсы) Я хочу знать, куда именно мне нужно поместить таймер в этом.
ActivityMCQ.java (MCQ — фрагмент)
public class ActivityMCQ extends Fragment implements View.OnClickListener {
private ImageView iv_yellow_bin, iv_red_bin, iv_black_bin, iv_blue_sharp_box, iv_white_sharp_box, iv_question_image;
private TextView tv_name_of_image;
private int current_questionMCQ,current_questionTrueFalse;
private int score;
private ArrayList<Question> mSQSList = new ArrayList<>();
private ArrayList<Question> trueFalseQsList = new ArrayList<>();
private boolean isFirstMCQ,isFirstTrueFalse;
private static final int TOTAL_NO_OF_QS = 13;
private TextView timer;
public View onCreateView(@NonNull LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.activity_mcq, container, false);
tv_name_of_image = root.findViewById(R.id.tv_name_of_image);
iv_yellow_bin = root.findViewById(R.id.iv_yellow_bin);
iv_red_bin = root.findViewById(R.id.iv_red_bin);
iv_black_bin = root.findViewById(R.id.iv_black_bin);
iv_blue_sharp_box = root.findViewById(R.id.iv_blue_sharp_box);
iv_white_sharp_box = root.findViewById(R.id.iv_white_sharp_box);
timer = root.findViewById(R.id.timer);
iv_yellow_bin.setOnClickListener(this);
iv_red_bin.setOnClickListener(this);
iv_black_bin.setOnClickListener(this);
iv_blue_sharp_box.setOnClickListener(this);
iv_white_sharp_box.setOnClickListener(this);
iv_question_image = root.findViewById(R.id.iv_question_image);
trueFalseQsList = (ArrayList<Question>)getArguments().getSerializable("trueFalseQsList");
mSQSList = (ArrayList<Question>)getArguments().getSerializable("mSQSList");
current_questionMCQ = getArguments().getInt("current_questionMCQ");
current_questionTrueFalse = getArguments().getInt("current_questionTrueFalse");
score = getArguments().getInt("score");
isFirstTrueFalse = getArguments().getBoolean("isFirstTrueFalse");
isFirstMCQ = getArguments().getBoolean("isFirstMCQ");
if(isFirstMCQ){
iv_question_image.setImageDrawable(getResources().getDrawable(mSQSList.get(0).getImageId()));
tv_name_of_image.setText(mSQSList.get(0).getQuestion());
isFirstMCQ = false;
new CountDownTimer(30000, 1000) {
public void onTick(long millisUntilFinished) {
timer.setText("Seconds remaining: " millisUntilFinished / 1000);
}
public void onFinish() {
move();
}
}.start();
}else{
moveToNextQuestion();
}
return root;
}
public void checkAnswer(String markedAnswer){
if(mSQSList.get(current_questionMCQ).getColor().equals(markedAnswer)){
score ;
showAnswerDetail(true);
}else{
showAnswerDetail(false);
}
}
public void moveToNextQuestion(){
Log.w("LOGs","CURRENT QS animateQuestion : " current_questionMCQ);
if (current_questionMCQ current_questionTrueFalse<TOTAL_NO_OF_QS){
new CountDownTimer(30000, 1000) {
public void onTick(long millisUntilFinished) {
timer.setText("Seconds remaining: " millisUntilFinished / 1000);
}
public void onFinish() {
animateQuestion(getActivity(), iv_question_image, BitmapFactory.decodeResource(getResources(), mSQSList.get(current_questionMCQ).getImageId()) , tv_name_of_image, mSQSList.get(current_questionMCQ).getQuestion());
}
}.start();
}else {
showDialogue();
}
}
public void showDialogue(){
androidx.appcompat.app.AlertDialog.Builder alertDialog2 = new androidx.appcompat.app.AlertDialog.Builder(getActivity());
alertDialog2.setTitle("Finished!");
final LinearLayout linearLayout = new LinearLayout(getActivity());
linearLayout.setOrientation(LinearLayout.VERTICAL);
final TextView total_questions = new TextView(getActivity());
LinearLayout.LayoutParams lp2 = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
total_questions.setText("Your Score = " score "/5.");
alertDialog2.setPositiveButton("Exit amp; Go to Dashboard",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
startActivity(new Intent(getActivity(), ActivityHomepage.class));
}
});
alertDialog2.setNegativeButton("Retry This Test",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
startActivity(new Intent(getActivity(), Quiz_Main.class));
}
});
total_questions.setPadding(100, 30,0,0);
total_questions.setLayoutParams(lp2);
linearLayout.addView(total_questions);
alertDialog2.setView(linearLayout);
alertDialog2.setCancelable(false);
alertDialog2.show();
}
public static void animateQuestion(Context c, final ImageView iv_question, final Bitmap question_image, final TextView tv_question, final String question_text) {
iv_question.setImageBitmap(question_image);
tv_question.setText(question_text);
/*final Animation anim_out = AnimationUtils.loadAnimation(c, android.R.anim.fade_out);
final Animation anim_in = AnimationUtils.loadAnimation(c, android.R.anim.fade_in);
anim_out.setAnimationListener(new Animation.AnimationListener() {
@Override public void onAnimationStart(Animation animation) {}
@Override public void onAnimationRepeat(Animation animation) {}
@Override public void onAnimationEnd(Animation animation)
{
iv_question.setImageBitmap(question_image);
tv_question.setText(question_text);
anim_in.setAnimationListener(new Animation.AnimationListener() {
@Override public void onAnimationStart(Animation animation) {}
@Override public void onAnimationRepeat(Animation animation) {}
@Override public void onAnimationEnd(Animation animation) {}
});
iv_question.startAnimation(anim_in);
tv_question.startAnimation(anim_in);
}
});
iv_question.startAnimation(anim_out);
tv_question.startAnimation(anim_out);*/
}
@Override
public void onClick(View view) {
switch (view.getId()){
case R.id.iv_yellow_bin:
checkAnswer("Yellow");
break;
case R.id.iv_red_bin:
checkAnswer("Red");
break;
case R.id.iv_black_bin:
checkAnswer("Black");
break;
case R.id.iv_blue_sharp_box:
checkAnswer("Blue");
break;
case R.id.iv_white_sharp_box:
checkAnswer("White");
break;
}
}
public void showAnswerDetail(boolean isCorrect){
AlertDialog.Builder alertDialog2 = new AlertDialog.Builder(getActivity());
alertDialog2.setTitle(isCorrect ? "Correct Answer!" : "Wrong Answer!");
final LinearLayout linearLayout = new LinearLayout(getActivity());
linearLayout.setOrientation(LinearLayout.VERTICAL);
final TextView total_questions = new TextView(getActivity());
LinearLayout.LayoutParams lp2 = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
total_questions.setText("Your Score = " score "/15.");
alertDialog2.setPositiveButton("Next Question",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
Log.w("LOGs","CURRENT TRUEFALS QS : " current_questionTrueFalse);
Log.w("LOGs","CURRENT MCQ QS : " current_questionMCQ);
move();
}
});
total_questions.setPadding(100, 30,0,0);
total_questions.setLayoutParams(lp2);
linearLayout.addView(total_questions);
alertDialog2.setView(linearLayout);
alertDialog2.setCancelable(false);
alertDialog2.show();
}
private void move(){
if(new Random().nextBoolean()){
if (current_questionMCQ<mSQSList.size()-1){
current_questionMCQ ;
moveToNextQuestion();
}else if (current_questionTrueFalse<trueFalseQsList.size()-1) {
current_questionTrueFalse ;
FragmentManager fm = getActivity().getSupportFragmentManager();
Bundle mbundle = new Bundle();
mbundle.putSerializable("trueFalseQsList", trueFalseQsList);
mbundle.putSerializable("mSQSList", mSQSList);
mbundle.putInt("current_questionMCQ", current_questionMCQ);
mbundle.putInt("current_questionTrueFalse", current_questionTrueFalse);
mbundle.putInt("score", score);
mbundle.putBoolean("isFirstMCQ", isFirstMCQ);
mbundle.putBoolean("isFirstTrueFalse", isFirstTrueFalse);
ActivityTrueFalse homeFragment = new ActivityTrueFalse();
homeFragment.setArguments(mbundle);
fm.beginTransaction()
.replace(R.id.container, homeFragment)
.commit();
}else{
showDialogue();
}
}else{
if (current_questionTrueFalse<trueFalseQsList.size()-1) {
current_questionTrueFalse ;
FragmentManager fm = getActivity().getSupportFragmentManager();
Bundle mbundle = new Bundle();
mbundle.putSerializable("trueFalseQsList", trueFalseQsList);
mbundle.putSerializable("mSQSList", mSQSList);
mbundle.putInt("current_questionMCQ", current_questionMCQ);
mbundle.putInt("current_questionTrueFalse", current_questionTrueFalse);
mbundle.putInt("score", score);
mbundle.putBoolean("isFirstMCQ", isFirstMCQ);
mbundle.putBoolean("isFirstTrueFalse", isFirstTrueFalse);
ActivityTrueFalse homeFragment = new ActivityTrueFalse();
homeFragment.setArguments(mbundle);
fm.beginTransaction()
.replace(R.id.container, homeFragment)
.commit();
}else if (current_questionMCQ<mSQSList.size()-1){
current_questionMCQ ;
moveToNextQuestion();
}else{
showDialogue();
}
}
}
}