randomize answers (cffa3ad0) · Commits · P P / Group7project Demo

app/src/main/java/com/example/game2d/ChalkActivity.java

+32 −27

Original line number	Diff line number	Diff line
		@@ -177,33 +177,16 @@ public class ChalkActivity extends AppCompatActivity implements View.OnClickList

		questionTextView.setText(ChalkQuestionAnswer.question[currentQuestionIndex]);

		// Randomize orders of choices displayed
		int[] orders = new int[]{0, 1, 2, 3};
		// Randomize orders[]
		Random rand = new Random();

		for (int i = 0; i < orders.length; i++) {
		// Switch i and randomIndexToSwap
		int randomIndexToSwap = rand.nextInt(orders.length);
		int[] randomized = randomizeOrders();

		// temp vars to store element at randomIndex
		int tempOrder = orders[randomIndexToSwap];

		// element at randomIndex is now element at i (2 i duplicates)
		orders[randomIndexToSwap] = orders[i];

		// element at i is now element at randomIndex (via temp vars)
		orders[i] = tempOrder;
		}

		/*ansA.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][orders[0]]);
		ansB.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][orders[1]]);
		ansC.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][orders[2]]);
		ansD.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][orders[3]]);*/
		ansA.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][0]);
		ansA.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][randomized[0]]);
		ansB.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][randomized[1]]);
		ansC.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][randomized[2]]);
		ansD.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][randomized[3]]);
		/*ansA.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][0]);
		ansB.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][1]);
		ansC.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][2]);
		ansD.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][3]);
		ansD.setText(ChalkQuestionAnswer.choices[currentQuestionIndex][3]);*/
		}

		void finishQuiz(){
		@@ -220,6 +203,28 @@ public class ChalkActivity extends AppCompatActivity implements View.OnClickList
		finish();
		}

		public int[] randomizeOrders() {
		int[] randomized = { 0, 1, 2, 3 };

		// Randomize orders[]
		Random rand = new Random();

		for (int i = 0; i < randomized.length; i++) {
		// Switch i and randomIndexToSwap
		int randomIndexToSwap = rand.nextInt(randomized.length);

		// temp vars to store element at randomIndex
		int tempOrder = randomized[randomIndexToSwap];

		// element at randomIndex is now element at i (2 i duplicates)
		randomized[randomIndexToSwap] = randomized[i];

		// element at i is now element at randomIndex (via temp vars)
		randomized[i] = tempOrder;
		}

		return randomized;
		}
		protected void onPause() {
		super.onPause();
		backgroundMusic.stop();

app/src/main/java/com/example/game2d/ChalkQuestionAnswer.java

+8 −8

Original line number	Diff line number	Diff line
		@@ -10,16 +10,16 @@ public class ChalkQuestionAnswer {
		};

		public static String[][] choices = {
		{"501B50797001", "501C50767001", "501C50757001", "501B50897001"},
		{"C0017001C0017001", "B0017001D0017001", "C0016001C0016001", "B0017001D0018001"},
		{"5000504a50947040", "5000504b50957040", "5000504a50947040", "5000504b50947040"},
		{"c000c0014042d7fc", "c000d0024042d7fc", "c000d0014042d7fb", "c000c0014042d7fc"},
		{"/501B50797001", "501C50767001", "501C50757001", "501B50897001"},
		{"/C0017001C0017001", "B0017001D0017001", "C0016001C0016001", "B0017001D0018001"},
		{"/5000504a50947040", "5000504b50957040", "5000504a50947040", "5000504b50947040"},
		{"/c000c0014042d7fc", "c000d0024042d7fc", "c000d0014042d7fb", "c000c0014042d7fc"},
		};

		public static String[] correctAnswers = {
		"501B50797001",
		"C0017001C0017001",
		"5000504a50947040",
		"c000c0014042d7fc"
		"/501B50797001",
		"/C0017001C0017001",
		"/5000504a50947040",
		"/c000c0014042d7fc"
		};
		}