回答編集履歴
2
修正
test
CHANGED
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@@ -98,7 +98,7 @@
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98
98
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99
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100
100
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101
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-
/解答Buttonに個別にしていた設定をListとforを使ってまとめて記述
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101
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+
//解答Buttonに個別にしていた設定をListとforを使ってまとめて記述
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for(int i = 0; i < answers.size(); i++){
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@@ -128,10 +128,16 @@
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128
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public void onClick(View view){
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131
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//クリックされたのが解答ボタンのどれかだった場合は解答の判定
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if(buttons.contains(view))
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checkAnswer(view);
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136
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+
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138
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//nextButtonがクリックされたら次の問題への処理
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else if(view == nextButton)
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goNext(view);
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@@ -178,7 +184,9 @@
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public void goNext(View view) {
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//「10問目まで」ならここを10に書き換えればよい
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-
if (currentQuiz ==
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189
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if (currentQuiz == 10) {
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// show result
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1
コードを実際に書いてみた
test
CHANGED
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@@ -7,3 +7,237 @@
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7
7
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- 現状の問題点
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8
8
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9
9
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各ButtonにOnClickLisnerをセットしていないため，現段階ではどのButtonを押しても何も起こらない
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10
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11
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ある程度コードを書いてみます．
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14
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15
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```java
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16
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17
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//クリックリスナーを実装
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18
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public class MyQuiz extends ActionBarActivity implements View.OnClickListener{
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public final static String EXTRA_MYSCORE = "com.example.taguchi.myquizapp.MYSCORE";
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private ArrayList<String[]> quizSet = new ArrayList<String[]>();
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private TextView scoreText;
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private TextView qText;
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private Button a0Button, a1Button, a2Button;
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private List<Button> buttons; //Buttonごとの操作をまとめてするためリスト化
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private Button nextButton;
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private int currentQuiz = 0;
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private int score = 0;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_my_quiz);
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loadQuizSet();
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Collections.shuffle(quizSet); //問題セットはこのタイミングで1度だけシャッフルする
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getViews();
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setQuiz();
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}
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private void showScore() {
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scoreText.setText("Score: " + score + " / " + quizSet.size());
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}
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private void setQuiz() {
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qText.setText(quizSet.get(currentQuiz)[0]);
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ArrayList<String> answers = new ArrayList<String>();
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for (int i = 1; i <= 3; i++) {
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answers.add(quizSet.get(currentQuiz)[i]);
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}
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Collections.shuffle(answers);
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98
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99
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100
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101
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/解答Buttonに個別にしていた設定をListとforを使ってまとめて記述
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102
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+
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103
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for(int i = 0; i < answers.size(); i++){
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104
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105
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Button button = buttons.get(i);
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button.setText(answers.get(i));
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button.setEnabled(true);
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}
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nextButton.setEnabled(false);
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118
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showScore();
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}
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123
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125
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//ボタンクリック時の動作を実装
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126
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@Override
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128
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129
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public void onClick(View view){
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130
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131
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if(buttons.contains(view))
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132
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133
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checkAnswer(view);
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134
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135
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else if(view == nextButton)
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136
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137
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goNext(view);
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138
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139
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}
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140
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141
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142
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143
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public void checkAnswer(View view) {
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145
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147
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//判定に関してはそのままでいい
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149
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150
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151
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// ここの操作もforで書き換え
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152
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153
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for(Button button : buttons){
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button.setEnabled(false);
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}
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nextButton.setEnabled(true);
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161
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162
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// next quiz
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currentQuiz++;
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167
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168
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if (currentQuiz == quizSet.size()) {
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170
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nextButton.setText("Check result");
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}
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}
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public void goNext(View view) {
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181
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if (currentQuiz == quizSet.size()) {
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182
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183
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// show result
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184
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185
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Intent intent = new Intent(this, MyResult.class);
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186
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187
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intent.putExtra(EXTRA_MYSCORE, score + " / " + quizSet.size());
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188
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189
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startActivity(intent);
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190
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191
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} else {
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192
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193
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setQuiz();
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194
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195
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}
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196
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197
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}
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198
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199
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200
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201
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@Override
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202
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203
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public void onResume() {
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204
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205
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//変更不要なので省略
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206
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207
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}
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208
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209
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210
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211
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private void getViews() {
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212
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213
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+
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214
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215
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//各View，Buttonを取得する記述(もとと同じでいいので省略)
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216
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+
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217
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+
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218
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219
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buttons = Arrays.asList(a0Button, a1Button, a2Buttons); //Buttonをリスト化
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220
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+
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221
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+
//各Buttonにクリックリスナを設定
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222
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+
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223
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+
for(Button button : buttons){
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224
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225
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button.setOnClickListener(this);
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226
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+
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227
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}
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228
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229
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nextButton.setOnClickListener(this);
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230
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231
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}
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232
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233
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234
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235
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private void loadQuizSet() {
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236
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+
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237
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//ここは変更しなくていいので省略
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238
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+
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239
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}
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240
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+
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241
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}
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242
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+
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243
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+
```
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