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我有四個按鈕，當我點擊我的第一個應答按鈕有一些延遲，但在延遲時，當我點擊其他按鈕，他們都被選中。所以需要禁用其他按鈕，直到我的第一個答案按鈕被點擊，並且當用戶返回時，所有按鈕都需要被啓用。我怎麼解決這個問題？請幫忙！！如何禁用其他按鈕，直到在android中選擇延遲的第一個按鈕？
這裏是我的代碼： -
public class QuestionActivity extends Activity implements OnClickListener{
private Question currentQ;
private GamePlay currentGame;
private CountDownTimer counterTimer;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.question);
processScreen();
}
/**
* Configure current game and get question
*/
private void processScreen()
{
currentGame = ((CYKApplication)getApplication()).getCurrentGame();
currentQ = currentGame.getNextQuestion();
Button nextBtn1 = (Button) findViewById(R.id.answer1);
nextBtn1.setOnClickListener(this);
Button nextBtn2 = (Button) findViewById(R.id.answer2);
nextBtn2.setOnClickListener(this);
Button nextBtn3 = (Button) findViewById(R.id.answer3);
nextBtn3.setOnClickListener(this);
Button nextBtn4 = (Button) findViewById(R.id.answer4);
nextBtn4.setOnClickListener(this);
Button nextBtn5 = (Button) findViewById(R.id.answer5);
nextBtn5.setOnClickListener(this);
/**
* Update the question and answer options..
*/
setQuestions();
}
/**
* Method to set the text for the question and answers from the current games
* current question
*/
private void setQuestions() {
//set the question text from current question
String question = Utility.capitalise(currentQ.getQuestion());
TextView qText = (TextView) findViewById(R.id.question);
qText.setText(question);
//set the available options
List<String> answers = currentQ.getQuestionOptions();
TextView option1 = (TextView) findViewById(R.id.answer1);
option1.setText(Utility.capitalise(answers.get(0)));
TextView option2 = (TextView) findViewById(R.id.answer2);
option2.setText(Utility.capitalise(answers.get(1)));
TextView option3 = (TextView) findViewById(R.id.answer3);
option3.setText(Utility.capitalise(answers.get(2)));
TextView option4 = (TextView) findViewById(R.id.answer4);
option4.setText(Utility.capitalise(answers.get(3)));
int score = currentGame.getScore();
String scr = String.valueOf(score);
TextView score1 = (TextView) findViewById(R.id.score);
score1.setText(scr);
counterTimer=new CountDownTimer(15000, 1000) {
public void onFinish() {
if(currentGame.getRound()==20)
System.exit(0);
Toast.makeText(QuestionActivity.this, "Time's up", Toast.LENGTH_SHORT).show();
currentGame.decrementScore();
final Handler handle = new Handler();
Runnable delay = new Runnable() {
public void run() {
processScreen();
}
};
handle.postDelayed(delay,3000);
}
public void onTick(long millisUntilFinished) {
TextView time = (TextView) findViewById(R.id.timers);
time.setText(""+millisUntilFinished/1000);
}
};
counterTimer.start();
}
@Override
public void onResume() {
super.onResume();
}
@Override
public void onClick(View arg0) {
//Log.d("Questions", "Moving to next question");
if(arg0.getId()==R.id.answer5)
{
new AlertDialog.Builder(this)
.setMessage("Are you sure?")
.setCancelable(true)
.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int id) {
finish();
}
}).setNegativeButton("No", null).show();
}
else
{
if(!checkAnswer(arg0)) return;
/**
* check if end of game
*/
if (currentGame.isGameOver()){
//Log.d("Questions", "End of game! lets add up the scores..");
//Log.d("Questions", "Questions Correct: " + currentGame.getRight());
//Log.d("Questions", "Questions Wrong: " + currentGame.getWrong());
final Handler handle = new Handler();
Runnable delay = new Runnable() {
public void run() {
startActivity(new Intent(QuestionActivity.this, EndgameActivity.class));
finish();
}
};
handle.postDelayed(delay,2000);
}
else
{
final Handler handle = new Handler();
Runnable delay = new Runnable() {
public void run() {
startActivity(new Intent(QuestionActivity.this, QuestionActivity.class));
finish();
}
};
handle.postDelayed(delay,2000);
}
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
switch (keyCode)
{
case KeyEvent.KEYCODE_BACK :
return true;
}
return super.onKeyDown(keyCode, event);
}
/**
* Check if a checkbox has been selected, and if it
* has then check if its correct and update gamescore
*/
private boolean checkAnswer(View v) {
final Button b = (Button) v;
String answer = b.getText().toString();
counterTimer.cancel();
b.setBackgroundResource(R.drawable.ans);
b.setEnabled(false);
//Log.d("Questions", "Valid Checkbox selection made - check if correct");
if (currentQ.getAnswer().equalsIgnoreCase(answer))
{
b.setBackgroundResource(R.drawable.ansgreen);
//Log.d("Questions", "Correct Answer!");
Toast.makeText(QuestionActivity.this, "Correct Answer", Toast.LENGTH_SHORT).show();
currentGame.incrementScore();
}
else{
b.setBackgroundResource(R.drawable.ansred);
//Log.d("Questions", "Incorrect Answer!");
Toast.makeText(QuestionActivity.this, "Incorrect Answer", Toast.LENGTH_SHORT).show();
currentGame.decrementScore1();
}
return true;
}
}
使用帶收音機組的單選按鈕，一次只能選中1個。 – Raghunandan
@Raghunandan我已經使用了按鈕，所以可以使用任何按鈕組。 – UchihaSasuke