私はアンドロイドクイズに取り組んでいます。ボタンをクリックしたときに答えが正しいか間違っているかを確認するための4つのボタンとロジックがあります。しかし、それは機能していません。
public class QuestionActivity extends Activity implements OnClickListener{
private Question currentQ;
private GamePlay currentGame;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.question);
/**
* Configure current game and get question
*/
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);
/**
* 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)));
}
@Override
public void onClick(View arg0) {
//Log.d("Questions", "Moving to next question");
if(!checkAnswer()) 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());
Intent i = new Intent(this, EndgameActivity.class);
startActivity(i);
finish();
}
else{
Intent i = new Intent(this, QuestionActivity.class);
startActivity(i);
finish();
}
}
@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() {
String answer = getSelectedAnswer();
if (answer==null){
//Log.d("Questions", "No Checkbox selection made - returning");
return false;
}
else {
//Log.d("Questions", "Valid Checkbox selection made - check if correct");
if (currentQ.getAnswer().equalsIgnoreCase(answer))
{
//Log.d("Questions", "Correct Answer!");
currentGame.incrementScore();
}
else{
//Log.d("Questions", "Incorrect Answer!");
currentGame.decrementScore();
}
return true;
}
}
private String getSelectedAnswer() {
Button c1 = (Button)findViewById(R.id.answer1);
Button c2 = (Button)findViewById(R.id.answer2);
Button c3 = (Button)findViewById(R.id.answer3);
Button c4 = (Button)findViewById(R.id.answer4);
if (c1.callOnClick())
{
return c1.getContext().toString();
}
if (c2.callOnClick())
{
return c2.getContext().toString();
}
if (c3.callOnClick())
{
return c3.getContext().toString();
}
if (c4.callOnClick())
{
return c4.getContext().toString();
}
return null;
}
}
丸太猫-
09-02 08:17:30.083: E/Trace(2148): error opening trace file: No such file or directory (2)
09-02 08:17:30.193: D/dalvikvm(2148): GC_FOR_ALLOC freed 65K, 8% free 2413K/2620K, paused 26ms, total 28ms
09-02 08:17:30.203: I/dalvikvm-heap(2148): Grow heap (frag case) to 4.553MB for 2160016-byte allocation
09-02 08:17:30.313: D/dalvikvm(2148): GC_FOR_ALLOC freed 1K, 5% free 4521K/4732K, paused 104ms, total 104ms
09-02 08:17:30.363: D/dalvikvm(2148): GC_CONCURRENT freed <1K, 5% free 4521K/4732K, paused 4ms+3ms, total 50ms
09-02 08:17:30.832: D/gralloc_goldfish(2148): Emulator without GPU emulation detected.
09-02 08:17:35.432: D/dalvikvm(2148): GC_FOR_ALLOC freed 17K, 4% free 4988K/5148K, paused 42ms, total 45ms
09-02 08:17:35.482: I/dalvikvm-heap(2148): Grow heap (frag case) to 7.068MB for 2160016-byte allocation
09-02 08:17:35.562: D/dalvikvm(2148): GC_CONCURRENT freed 4K, 3% free 7092K/7260K, paused 4ms+4ms, total 77ms
09-02 08:17:36.512: I/Choreographer(2148): Skipped 764 frames! The application may be doing too much work on its main thread.
09-02 08:17:38.682: I/dalvikvm(2148): threadid=1: stack overflow on call to Landroid/view/View;.findViewById:LI
09-02 08:17:38.682: I/dalvikvm(2148): method requires 12+20+8=40 bytes, fp is 0x4205a320 (32 left)
09-02 08:17:38.682: I/dalvikvm(2148): expanding stack end (0x4205a300 to 0x4205a000)
09-02 08:17:38.682: I/dalvikvm(2148): Shrank stack (to 0x4205a300, curFrame is 0x4205fec4)
09-02 08:17:38.682: D/AndroidRuntime(2148): Shutting down VM
09-02 08:17:38.682: W/dalvikvm(2148): threadid=1: thread exiting with uncaught exception (group=0x40a71930)
09-02 08:17:39.092: E/AndroidRuntime(2148): FATAL EXCEPTION: main
09-02 08:17:39.092: E/AndroidRuntime(2148): java.lang.StackOverflowError
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.ViewGroup.findViewTraversal(ViewGroup.java:3053)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.findViewById(View.java:15104)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.ViewGroup.findViewTraversal(ViewGroup.java:3053)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.findViewById(View.java:15104)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.ViewGroup.findViewTraversal(ViewGroup.java:3053)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.findViewById(View.java:15104)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.ViewGroup.findViewTraversal(ViewGroup.java:3053)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.findViewById(View.java:15104)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.Window.findViewById(Window.java:900)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.app.Activity.findViewById(Activity.java:1839)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.starchazer.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:144)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.starchazer.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.starchazer.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.starchazer.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.starchazer.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.starchazer.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.View.callOnClick(View.java:4222)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.getSelectedAnswer(QuestionActivity.java:148)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.checkAnswer(QuestionActivity.java:126)
09-02 08:17:39.092: E/AndroidRuntime(2148): at com.cyk.QuestionActivity.onClick(QuestionActivity.java:85)
09-02 08:17:39.092: E/AndroidRuntime(2148): at android.view.V
09-02 08:17:39.122: D/dalvikvm(2148): GC_CONCURRENT freed 762K, 11% free 7907K/8812K, paused 69ms+5ms, total 117ms
09-02 08:17:39.122: D/dalvikvm(2148): WAIT_FOR_CONCURRENT_GC blocked 16ms
09-02 08:22:39.222: I/Process(2148): Sending signal. PID: 2148 SIG: 9
09-02 08:22:39.783: E/Trace(2182): error opening trace file: No such file or directory (2)
09-02 08:22:39.883: D/dalvikvm(2182): GC_FOR_ALLOC freed 68K, 9% free 2413K/2624K, paused 25ms, total 27ms
09-02 08:22:39.893: I/dalvikvm-heap(2182): Grow heap (frag case) to 4.553MB for 2160016-byte allocation
09-02 08:22:40.013: D/dalvikvm(2182): GC_FOR_ALLOC freed 1K, 5% free 4521K/4736K, paused 114ms, total 114ms
09-02 08:22:40.063: D/dalvikvm(2182): GC_CONCURRENT freed <1K, 5% free 4521K/4736K, paused 4ms+3ms, total 49ms
09-02 08:22:40.513: D/gralloc_goldfish(2182): Emulator without GPU emulation detected.
上記のコードでは、データベースから 4 つの回答ボタンのデータを取得しています。私のデータはボタンに表示されています。ボタンをクリックすると、答えが正しいか間違っているかを確認したい。そして、次の質問への移動に答えた後、それが正しいか間違っているか.