我一直有这个问题在按钮显示4个答案。当播放类运行时，8、9、3、1确实会出现，但在按下按钮后，它不会移动到下一个答案列表(17、20、15、14等)…
Java
public class play extends Activity {
private Question currentQuestion;
private int currentQuestionIndex;
private ArrayList<Button> questionButton;
private TextView questionstextview;
private TextView questionnumber;
private TextView playerfeedback;
public static TextView displayscore;
public static int score;
private List<Question> QuestionList;
private int answerchoice;
public static int totalanswer;
public static int correctanswer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.play);
Log.i("playclass", "this is play class running");
questionButton = new ArrayList<Button>();
questionButton.add((Button) findViewById (R.id.answerbutton1));
questionButton.add((Button) findViewById (R.id.answerbutton2));
questionButton.add((Button) findViewById (R.id.answerbutton3));
questionButton.add((Button) findViewById (R.id.answerbutton4));
currentQuestion = null;
currentQuestionIndex = 0;
QuestionList = new ArrayList<Question>();
ArrayList <String> answer = new ArrayList<String>();
answer.add("8");
answer.add("9");
answer.add("3");
answer.add("1");
QuestionList.add(new Question("what is 4+4", answer, 0));
answer.add("17");
answer.add("20");
answer.add("15");
answer.add("14");
QuestionList.add(new Question("what is 7+8?", answer, 3));
answer.add("20");
answer.add("30");
answer.add("19");
answer.add("34");
QuestionList.add(new Question("what is 10+10?", answer, 0));
answer.add("12");
answer.add("11");
answer.add("13");
answer.add("14");
QuestionList.add(new Question("what is 6+6?", answer, 0));
answer.add("6");
answer.add("5");
answer.add("4");
answer.add("7");
QuestionList.add(new Question("what is 4+3?", answer, 3));
answer.add("7");
answer.add("9");
answer.add("10");
answer.add("11");
QuestionList.add(new Question("what is 3+7?", answer, 2));
questionstextview = (TextView) findViewById (R.id.questionstextview);
questionnumber = (TextView) findViewById (R.id.questionnumber);
displayscore = (TextView) findViewById (R.id.displayscore);
StartTrivia();
}
public void ButtonPress (View answerButton){
MediaPlayer soundfx = MediaPlayer.create(getApplicationContext(), R.raw.click);
soundfx.start();
for (int i=0; i< questionButton.size(); i++)
{
if (questionButton.get(i) ==answerButton)
{
if (i==currentQuestion.getAnswerIndex())
{
score=+5;
totalanswer++;
correctanswer++;
displayscore.setText(Integer.toString(score));
Toast.makeText(getApplicationContext(), "Correct!", Toast.LENGTH_SHORT).show();
}
else{
totalanswer++;
Toast.makeText(getApplicationContext(), "Incorrect!", Toast.LENGTH_SHORT).show();
Log.i("playclass", "after incorrect toast");
}
currentQuestionIndex++;
Log.i("playclass", "after currentQuestionIndex++; ");
if (currentQuestionIndex < QuestionList.size()){
Log.i("playclass", "after currentQuestionIndex < QuestionList.size() ");
StartTrivia();
Log.i("playclass", "after StartTrivia in if statement ");
}
else{
Intent result = new Intent (this, finalscreen.class);
startActivity(result);
Log.i("playclass", "after IntentResult ");
}
break;
}
}
}
public void StartTrivia(){
Log.i("playclass", "running StartTrivia() " + currentQuestionIndex);
currentQuestion = QuestionList.get(currentQuestionIndex);
questionstextview.setText(currentQuestion.getquestion());
questionnumber.setText(Integer.toString(currentQuestionIndex+1));
for (int i = 0; i < questionButton.size(); i++)
{
String ans = currentQuestion.getanswer().get(i);
questionButton.get(i).setText(ans);
}
}
}
LogCat
08-13 14:55:02.341: I/ActivityManager(73): Starting: Intent {cmp=com.example.quizgame/。播放}从pid 387
[08 . 13] 14:55:02.651:我/playclass(387):这是playclass在运行
08-13 14:55:02.671: I/playclass(387): running StartTrivia() 0
08-13 14:55:03.422:我/ActivityManager(73):显示com.example.quizgame/。玩:+ 1 s2ms
08:13 14:55:05.634: D/dalvikvm(387): GC_CONCURRENT释放92K, 3%释放9024K/9287K，暂停9ms+5ms
08-13 14:55:05.711: D/AudioSink(32): bufferCount(4)太小，增加到12
08-13 14:55:05.851: I/playclass(387): after currentquestionindex++;
08-13 14:55:05.851:我/playclass(387): after currentQuestionIndex
08-13 14:55:05.861: I/playclass(387): running StartTrivia() 1
08-13 14:55:05.861: I/playclass(387): after StartTrivia在if语句
08-13 14:55:08.712: D/AudioSink(32): bufferCount(4)太小，增加到12
08-13 14:55:08.745: I/playclass(387): after incorrect toast
08-13 14:55:08.745:我/playclass(387): after currentquestionindex++;
08-13 14:55:08.752:我/playclass(387): after currentQuestionIndex
08-13 14:55:08.752: I/playclass(387): running StartTrivia() 2
08-13 14:55:08.775: I/playclass(387): after StartTrivia in if语句
08-13 14:55:09.182: I/dalvikvm(73): Jit: resizing JitTable from 1024 to 2048
08-13 14:55:10.102: D/AudioSink(32): bufferCount(4)太小，增加到12
08-13 14:55:10.162:我/playclass(387): after currentquestionindex++;
08-13 14:55:10.162:我/playclass(387): after currentQuestionIndex
08-13 14:55:10.172: I/playclass(387): running StartTrivia() 3
08-13 14:55:10.231: I/playclass(387): after StartTrivia in if语句
08:13 14:55:10.388: W/AudioFlinger(32):写阻塞75 msecs, 1个写延迟，线程0xff38
08-13 14:55:11.911: D/AudioSink(32): bufferCount(4)太小，增加到12
08-13 14:55:12.011: I/playclass(387): after currentquestionindex++;
08-13 14:55:12.011:我/playclass(387): after currentQuestionIndex
08-13 14:55:12.011: I/playclass(387): running StartTrivia() 4
08-13 14:55:12.011: I/playclass(387): after StartTrivia在if语句
08-13 14:55:14.011: D/AudioSink(32): bufferCount(4)太小，增加到12
08-13 14:55:14.072: I/playclass(387): after incorrect toast
08-13 14:55:14.072: I/playclass(387): after currentquestionindex++;
08-13 14:55:14.092:我/playclass(387): after currentQuestionIndex
08-13 14:55:14.092: I/playclass(387): running StartTrivia() 5
08-13 14:55:14.111: I/playclass(387): after StartTrivia in if语句
08-13 14:55:17.691: D/AudioSink(32): bufferCount(4)太小，增加到12
08-13 14:55:17.761: I/playclass(387): after incorrect toast
08-13 14:55:17.761: I/playclass(387): after currentquestionindex++;
08-13 14:55:17.822:我/ActivityManager(73): Starting: Intent {cmp=com.example.quizgame/。Finalscreen} from pid 387
08-13 14:55:17.876: I/playclass(387): after IntentResult
08:13 14:55:18.112: W/AudioFlinger(32):写阻塞76 msecs, 6个写延迟，线程0xff38
08-13 14:55:18.251:我/finalscreen(387):这是finalscreen类正在运行
08-13 14:55:19.481: I/ActivityManager(73): display com.example.quizgame/。finalscreen: + 1 s582ms
ArrayList <String> answer = new ArrayList<String>();
answer.add("8");
answer.add("9");
answer.add("3");
answer.add("1");
QuestionList.add(new Question("what is 4+4", answer, 0));
ArrayList <String> answer1 = new ArrayList<String>();
answer1.add("17");
answer1.add("20");
answer1.add("15");
answer1.add("14");
QuestionList.add(new Question("what is 7+8?", answer1, 3));
ArrayList <String> answer2 = new ArrayList<String>();
answer2.add("20");
answer2.add("30");
answer2.add("19");
answer2.add("34");
QuestionList.add(new Question("what is 10+10?", answer2, 0));
ArrayList <String> answer3 = new ArrayList<String>();
answer3.add("12");
answer3.add("11");
answer3.add("13");
answer3.add("14");
QuestionList.add(new Question("what is 6+6?", answer3, 0));
ArrayList <String> answer4 = new ArrayList<String>();
answer4.add("6");
answer4.add("5");
answer4.add("4");
answer4.add("7");
QuestionList.add(new Question("what is 4+3?", answer4, 3));
ArrayList <String> answer5 = new ArrayList<String>();
answer5.add("7");
answer5.add("9");
answer5.add("10");
answer5.add("11");
QuestionList.add(new Question("what is 3+7?", answer5, 2));