每当我回答一个问题并点击提交按钮时，应该显示1分，但是再次点击提交按钮时，它会不断添加1分数，并且提交按钮上的更多匹配会不断为分数添加1。实际上，每次单击提交按钮时，我都不希望将1添加到乐谱中。我不希望根据我点击提交按钮的次数更新分数。
package com.example.android.generalknowledge;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
int baseScore = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void submitResult(View view) {
RadioButton largestRailwayStation = (RadioButton) findViewById(R.id.largest_railway_station);
boolean answerIsLargestRailwayStation = largestRailwayStation.isChecked();
RadioButton insects = (RadioButton) findViewById(R.id.insects);
boolean answerIsInsects = insects.isChecked();
CheckBox physicsChemistry = (CheckBox) findViewById(R.id.physics_chemistry);
boolean physicsChemistryIsAnswer = physicsChemistry.isChecked();
CheckBox physiologyMedicine = (CheckBox) findViewById(R.id.physiology_medicine);
boolean physiologyMedicineIsAnswer = physiologyMedicine.isChecked();
CheckBox literature = (CheckBox) findViewById(R.id.literature);
boolean literatureIsAnswer = literature.isChecked();
CheckBox peaceEconomics = (CheckBox) findViewById(R.id.peace_economics);
boolean peaceEconomicsIsAnswer = peaceEconomics.isChecked();
RadioButton naziParty = (RadioButton) findViewById(R.id.nazi_party);
boolean answerIsNaziParty = naziParty.isChecked();
RadioButton allOfTheAbove = (RadioButton) findViewById(R.id.all_of_the_above);
boolean answerIsAll = allOfTheAbove.isChecked();
RadioButton filmFinance = (RadioButton) findViewById(R.id.film_finance);
boolean answerIsFilmFinance = filmFinance.isChecked();
EditText enterNameHere = (EditText) findViewById(R.id.name_view);
String name = enterNameHere.getText().toString();
EditText enterAnswerHere = (EditText) findViewById(R.id.answer_here);
String answer = enterAnswerHere.getText().toString();
if (enterAnswerHere.getText().toString().equals("Africa")) {
baseScore += 1 ;
}
int finalScore = calculateTotalScore(answerIsLargestRailwayStation, answerIsInsects, physicsChemistryIsAnswer,
physiologyMedicineIsAnswer, literatureIsAnswer, peaceEconomicsIsAnswer, answerIsNaziParty, answerIsAll, answerIsFilmFinance);
Toast.makeText(MainActivity.this,
name + " " + "\n" + "You have a Total Score of " + " " + finalScore + " " + "/10", Toast.LENGTH_LONG).show();
}
/**
* This method is called when any of the radio buttons in question one is selected
*/
public void onRadioButtonClickedOne(View view) {
// Is the button now checked?
boolean checked = ((RadioButton) view).isChecked();
// Check which radio button was clicked
switch (view.getId()) {
case R.id.largest_railway_station:
if (checked)
// This is the correct answer
break;
case R.id.highest_railway_station:
if (checked)
// Wrong answer
break;
case R.id.longest_railway_station:
if (checked)
// Wrong answer
break;
case R.id.none_of_the_above:
if (checked)
//Wrong answer
break;
}
}
/**
* This method is called when any of the radio buttons in question two is selected
*/
public void onRadioButtonClickedTwo(View view) {
// Is the button now checked?
boolean checked = ((RadioButton) view).isChecked();
// Check which radio button was clicked
switch (view.getId()) {
case R.id.behaviour_of_human_beings:
if (checked)
// Wrong answer
break;
case R.id.insects:
if (checked)
// This is the correct answer
break;
case R.id.origin_history:
if (checked)
// Wrong answer
break;
case R.id.rock_formation:
if (checked)
// Wrong answer
break;
}
}
/**
* This method is called when the checkboxes for question three are clicked
*/
public void onCheckboxThreeClicked(View view) {
//Is the button now checked?
boolean checked = ((CheckBox) view).isChecked();
// Check which checkbox is clicked
switch (view.getId()) {
case R.id.physics_chemistry:
if (checked)
// One of the Correct answers
break;
}
switch (view.getId()) {
case R.id.physiology_medicine:
if (checked)
// One of the Correct answers
break;
}
switch (view.getId()) {
case R.id.literature:
if (checked)
// One of the Correct answers
break;
}
switch (view.getId()) {
case R.id.peace_economics:
if (checked)
// One of the Correct answers
break;
}
}
/**
* This method is called when any of the radio buttons in question four is selected
*/
public void onRadioButtonClickedFour(View view) {
// Is the button now checked?
boolean checked = ((RadioButton) view).isChecked();
// Check which radio button was clicked
switch (view.getId()) {
case R.id.labour_party:
if (checked)
// Wrong answer
break;
case R.id.nazi_party:
if (checked)
// This is the correct answer
break;
case R.id.leading_party:
if (checked)
// Wrong answer
break;
case R.id.democratic_party:
if (checked)
// Wrong answer
break;
}
}
/**
* This method is called when any of the radio buttons in question six is selected
*/
public void onRadioButtonClickedSix(View view) {
// Is the button now checked?
boolean checked = ((RadioButton) view).isChecked();
// Check which radio button was clicked
switch (view.getId()) {
case R.id.develop_telescope:
if (checked)
// Wrong answer
break;
case R.id.discovered_jupiter:
if (checked)
// Wrong answer
break;
case R.id.movement_of_pendulum:
if (checked)
// Wrong answer
break;
case R.id.all_of_the_above:
if (checked)
// This is the correct answer
break;
}
}
/**
* This method is called when any of the radio buttons in question seven is selected
*/
public void onRadioButtonClickedSeven(View view) {
// Is the button now checked?
boolean checked = ((RadioButton) view).isChecked();
// Check which radio button was clicked
switch (view.getId()) {
case R.id.foreign_finance:
if (checked)
// Wrong answer
break;
case R.id.film_finance:
if (checked)
// This is the correct answer
break;
case R.id.federation_football:
if (checked)
// Wrong answer
break;
case R.id.none:
if (checked)
// Wrong answer
break;
}
}
private int calculateTotalScore(boolean questionOneAnswer, boolean questionTwoAnswer, boolean questionThreeAnswer1,
boolean questionThreeAnswer2, boolean questionThreeAnswer3, boolean questionThreeAnswer4,
boolean questionFourAnswer, boolean questionSixAnswer, boolean questionSevenAnswer) {
if (questionOneAnswer) {
baseScore += 1 ;
}
if (questionTwoAnswer) {
baseScore += 1 ;
}
if (questionThreeAnswer1) {
baseScore += 1 ;
}
if (questionThreeAnswer2) {
baseScore += 1 ;
}
if (questionThreeAnswer3) {
baseScore += 1 ;
}
if (questionThreeAnswer4) {
baseScore += 1 ;
}
if (questionFourAnswer) {
baseScore += 1 ;
}
if (questionSixAnswer) {
baseScore += 1 ;
}
if (questionSevenAnswer) {
baseScore += 1 ;
}
// EditText enterAnswerHere = (EditText) findViewById(R.id.answer_here);
// String answer = enterAnswerHere.getText().toString();
// {
// if (answer == "Africa") {
// baseScore = baseScore + 1;
// }
// }
return baseScore;
}
}
答案 0 :(得分：2)
我们可以通过2种方式实现，
你可以通过button.setEnable（false）来调整按钮;一旦用户点击了一段时间
在您的情况下，如果您没有按钮对象，那么您可以使用一个全局布尔值并将其设置为false默认值，并且一旦用户单击第一次执行该过程并将该布尔值设置为true，从下次开始检查布尔值是否为真，只需返回它。
private boolean mIsSubmited = false;
public void submitResult(View view) {
if(mIsSubmited) {
return;
}
mIsSubmited = true;
RadioButton largestRailwayStation = (RadioButton) findViewById(R.id.largest_railway_station);
// Remaining code..
}
答案 1 :(得分：1)
单击后，您可以禁用提交按钮。例如：
onclick() {
submitbutton.setEnabled(false);
}
阻止用户一次又一次点击提交。
您可以使用以下方式启用它：
submitbutton.setEnabled(true);
答案 2 :(得分：0)
您可以全局声明一个布尔值，并首先将其设置为false。 然后在按钮单击上，您可以将其值转为true。 点击按钮，你可以检查它是否为假，然后只是为了增加分数。
答案 3 :(得分：0)
你可以使用处理程序，这可能是更好的解决方案。
Handler mHandler=new Handler();
//现在在你的点击监听器中
mHandler.removeCallbacks(mRunnable);//
mHandler.postDelayed(mRunnable, 500);
Runnable mRunnable =new Runnable() {
@Override
public void run() {
//calculate it
}
};
//如果用户点击之前计算结果，等待半秒，然后停止从计算中运行，再次进行计算。 希望它有所帮助。