java - 我如何在其他 Activity 中发送正确答案和所选答案？

Question

GenEdQuestion.class测验形式为多项选择题。我想保存或传输正确答案和所选答案到另一个 Activity (结果)。我转移了分数，但我不知道如何转移结果。我怎样才能做到这一点？

      answer1.setOnLongClickListener(new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            if (answer1.getText() == mAnswer){
                mNumber++;
                mScore++;
                number.setText(" "+mNumber+" .");
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }
            }else{
                mNumber++;
                number.setText(" "+mNumber+" .");
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }
            }
            return false;
        }
    });

    answer2.setOnLongClickListener(new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            if (answer2.getText() == mAnswer){
                mNumber++;
                number.setText(" "+mNumber+" .");
                mScore++;
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }

            }else{
                mNumber++;
                number.setText(" "+mNumber+" .");
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }

            }
            return false;
        }
    });

    answer3.setOnLongClickListener(new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            if (answer3.getText() == mAnswer){
                mNumber++;
                number.setText(" "+mNumber+" .");
                mScore++;
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }

            }else{
                mNumber++;
                number.setText(" "+mNumber+" .");
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }

            }
            return false;
        }
    });

    answer4.setOnLongClickListener(new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            if (answer4.getText() == mAnswer){
                mNumber++;
                number.setText(" "+mNumber+" .");
                mScore++;
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }

            }else{
                mNumber++;
                number.setText(" "+mNumber+" .");
                if (mNumber == quizCount){
                    onFinish();
                }
                else{
                    updateQuestion(r.nextInt(mQuestionsLength));
                }
            }
            return false;
        }
    });


   new CountDownTimer(60000*60, 1000){
        public void onTick(long secondsLeft){
            mCountDownGenEd.setText(""+String.format("%d min, %d sec",
                    TimeUnit.MILLISECONDS.toMinutes(secondsLeft),
                    TimeUnit.MILLISECONDS.toSeconds(secondsLeft) -
            TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(secondsLeft))));

        }
        public void onFinish(){
            Intent intent = new Intent(getApplicationContext(), GenEdQuestionsResult.class);
            intent.putExtra("this", mScore);
            startActivity(intent);
        }
    }.start();
}

private void onFinish() {
    Intent intent = new Intent(getApplicationContext(), GenEdQuestionsResult.class);
    intent.putExtra("this", mScore);
    startActivity(intent);
}

private void updateQuestion(int i) {

    question.setText(mQuestions.getQuestion(i));
    answer1.setText(mQuestions.getChoice1(i));
    answer2.setText(mQuestions.getChoice2(i));
    answer3.setText(mQuestions.getChoice3(i));
    answer4.setText(mQuestions.getChoice4(i));
    mAnswer = mQuestions.getCorrectAnswer(i);

}

GenEdQuestionsResult.class此 Activity 将显示分数以及用户是否通过或失败。我如何将结果放在这里？

    mFinalScore = (TextView) findViewById(R.id.scoreTextView);
    mResult = (TextView) findViewById(R.id.resultTextView);
    int score = getIntent().getIntExtra("this", 0);
    mFinalScore.setText(score+" / 20");
    if (score <= 10){mResult.setText("Failed");}
    else{mResult.setText("Passed");}

这是我想要创建的结果

this is the picture of result i want to create

Answer 1

您有 3 种方法可以做到这一点第一个=>创建一个静态变量，然后你可以在任何你想要的地方访问它,

你可以使用的第二个=>使用intent putExtra

Intent i = new Intent(this, SecondClass.class);
i.putExtra("answer", "myAnswer");
startActivity(i)

第三种方法正在使用sharedPreference，看看这个链接https://developer.android.com/reference/android/content/SharedPreferences.html