【发布时间】：2015-11-01 01:59:10
【问题描述】：
//我正在开发一个测验应用程序，其中我有下一步和提交按钮和两个普通按钮作为选项，我正在实施真假测验。如果我单击任何按钮，它将以绿色显示。例如，如果我有问题1`如果我点击正确答案两次并点击提交，分数将增加两次。它应该只增加一次分数。任何人都可以帮助我我是 android 新手..在此先感谢。下面是我的代码。
public class TrueFalseActivity extends Activity implements View.OnClickListener {
List<QuestionTrueFalse> questionTrueFalseList;
int myscore = 0;
int quid = 0;
int id;
TextView tv, txt1;
QuestionTrueFalse curQues;
Button b1, b2;
Button next;
Button button,submit;
QuestionTrueFalse cur;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_trfal);
tv = (TextView) findViewById(R.id.tv1);
txt1 = (TextView) findViewById(R.id.txt);
b1 = (Button) findViewById(R.id.b1);
b2 = (Button) findViewById(R.id.b2);
submit=(Button) findViewById(R.id.finish);
b1.setOnClickListener(this);
b2.setOnClickListener(this);
countDownTimer = new MyCountDownTimer(startTime, interval);
if (!timerHasStarted) {
countDownTimer.start();
timerHasStarted = true;
}
DbHelper db = new DbHelper(this);
questionTrueFalseList = db.getAllTrFalsQuestions();
if (questionTrueFalseList != null && questionTrueFalseList.size() != 0) {
curQues = questionTrueFalseList.get(quid);
try {
setQuestionView();
} catch (NullPointerException e) {
Toast.makeText(getApplicationContext(), "Exception caught", Toast.LENGTH_LONG).show();
}
}
next = (Button) findViewById(R.id.forw);
next.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
button = (Button) v;
String buttonText = button.getText().toString();
if (curQues.getAnsw().equals(buttonText)) {
myscore++;
}
cur = curQues;
if (quid < 19) {
quid++;
b1.setBackgroundResource(android.R.drawable.btn_default);
b2.setBackgroundResource(android.R.drawable.btn_default);
curQues = questionTrueFalseList.get(quid);
setQuestionView();
} else {
Intent intent = new Intent(TrueFalseActivity.this, ResultActivity.class);
Bundle b = new Bundle();
b.putInt("score", myscore); //Your score
intent.putExtras(b); //Put your score to your next Intent
startActivity(intent);
finish();
}
}
});
submit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
button = (Button) v;
String buttonText = button.getText().toString();
if (curQues.getAnsw().equals(buttonText)) {
myscore++;
}
Intent intent = new Intent(TrueFalseActivity.this, ResultActivity.class);
Bundle b = new Bundle();
b.putInt("score", myscore); //Your score
intent.putExtras(b); //Put your score to your next Intent
startActivity(intent);
finish();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
private void setQuestionView() {
tv.setText(curQues.getQues());
b1.setText(curQues.getOpt1());
b2.setText(curQues.getOpt2());
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onClick(View v) {
button = (Button) v;
String buttonText = button.getText().toString();
if (curQues.getAnsw().equals(buttonText)) {
myscore++;
}
if (quid > 19) {
Intent intent = new Intent(TrueFalseActivity.this, ResultActivity.class);
Bundle b = new Bundle();
b.putInt("score", myscore); //Your score
intent.putExtras(b); //Put your score to your next Intent
startActivity(intent);
finish();
}
switch (v.getId()) {
case R.id.b1:
if (v.getId() == R.id.b1) {
button.setBackgroundColor(Color.GREEN);
b2.setBackgroundResource(android.R.drawable.btn_default);
}
break;
case R.id.b2:
if (v.getId() == R.id.b2) {
button.setBackgroundColor(Color.GREEN);
b1.setBackgroundResource(android.R.drawable.btn_default);
}
break;
}
}
}
}
如果我点击正确答案两次并按提交分数增加两次请帮助我..我是 android 新手。
【问题讨论】：