Added "Time Elapsed" field

app/src/main/java/com/luca0n/joguitos/pluck/activities/TriviaGameResultsActivity.java

@@ -41,6 +41,8 @@ public class TriviaGameResultsActivity extends BaseActivity {
     TextView textResultsWrong;
     @BindView(R.id.text_results_total)
     TextView textResultsTotal;
+		@BindView(R.id.text_results_time_elapsed)
+		TextView textResultsTimeElapsed;
     @BindView(R.id.button_return_to_menu)
     Button buttonReturnToMenu;
 
@@ -61,9 +63,22 @@ public class TriviaGameResultsActivity extends BaseActivity {
             }
         }
 
+				// Calculate the difference between startEpoch and endEpoch
+				float timeDifference = (game.getEndEpoch() - game.getStartEpoch())/1000F;
+
         textResultsCorrect.setText(String.valueOf(correctTotal));
         textResultsWrong.setText(String.valueOf(game.getQuestionsCount() - correctTotal));
         textResultsTotal.setText(String.valueOf(game.getQuestionsCount()));
+				if (timeDifference < 60000L)
+					// Use the "n seconds" string since the time difference was less than 60 seconds.
+					textResultsTimeElapsed.setText(
+							String.format(getString(R.string.ui_results_time_elapsed_format_seconds), timeDifference)
+							);
+				else
+					// Use the "n minutes" string since the time difference was equal to or more than 60 seconds.
+					textResultsTimeElapsed.setText(
+							String.format(getString(R.string.ui_results_time_elapsed_format_minutes), timeDifference / 60F)
+							);
 
         buttonReturnToMenu.setOnClickListener(v -> finish());
     }

app/src/main/java/com/luca0n/joguitos/pluck/trivia/TriviaGame.java

@@ -30,11 +30,29 @@ public class TriviaGame implements Serializable {
 	private int currentQuestion;
 	private final boolean[] results;
 	private final List<TriviaQuestion> questions;
+	private final long startEpoch;
+	private long endEpoch = -1;
 
 	public TriviaGame(List<TriviaQuestion> questions) {
 		this.currentQuestion = 0;
 		this.questions = questions;
 		this.results = new boolean[questions.size()];
+		this.startEpoch = System.currentTimeMillis();
+	}
+
+	/**
+	 * @return The time this trivia game started in a UNIX timestamp format.
+	 * @since 2021-03-17
+	 */
+	public long getStartEpoch(){
+		return this.startEpoch;
+	}
+	/**
+	 * @return The time this trivia game ended in a UNIX timestamp format. If the player is still playing the game, the return will be equal to -1.
+	 * @since 2021-03-17
+	 */
+	public long getEndEpoch(){
+		return this.endEpoch;
 	}
 
 	public TriviaQuestion getCurrentQuestion() {
@@ -64,6 +82,10 @@ public class TriviaGame implements Serializable {
 	}
 
 	public boolean isDone() {
-        return (this.currentQuestion == questions.size());
+		boolean isDone = this.currentQuestion == questions.size();
+		// Check isDone and set the trivia game end epoch if the endEpoch field was not yet changed if it's true.
+		if (isDone && endEpoch == -1)
+			this.endEpoch = System.currentTimeMillis();
+		return isDone;
 	}
 }

app/src/main/res/layout/activity_trivia_game_results.xml

@@ -28,7 +28,7 @@ Contact us at <joguitos+pluck@luca0n.com>.
 	android:layout_width="match_parent"
 	android:layout_height="match_parent"
 	android:fillViewport="true">
-<LinearLayout
+	<LinearLayout
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
 		android:orientation="vertical"
@@ -97,6 +97,24 @@ Contact us at <joguitos+pluck@luca0n.com>.
 
 	</LinearLayout>
 
+	<!-- Time Elapsed -->
+	<LinearLayout
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_marginBottom="16dp">
+
+		<TextView
+			style="@style/ResultText"
+			android:text="@string/ui_results_time_elapsed"
+			android:textColor="@color/colorAccentOrange" />
+
+		<TextView
+			android:id="@+id/text_results_time_elapsed"
+			style="@style/ResultText"
+			tools:text="4" />
+
+	</LinearLayout>
+
 	<!-- Buttons -->
 	<LinearLayout
 		android:layout_width="match_parent"

app/src/main/res/values/colors.xml

@@ -23,8 +23,8 @@ Contact us at <joguitos+pluck@luca0n.com>.
 -->
 
 <resources>
-    <color name="colorPrimary">#F44336</color>
-    <color name="colorPrimaryDark">#D32F2F</color>
+    <color name="colorPrimary">#14A210</color>
+    <color name="colorPrimaryDark">#0D7D0A</color>
     <color name="colorAccent">#536DFE</color>
     <color name="colorTextPrimary">#212121</color>
     <color name="colorTextSecondary">#757575</color>
@@ -32,4 +32,5 @@ Contact us at <joguitos+pluck@luca0n.com>.
 
     <color name="colorAccentRed">#D50000</color>
 		<color name="colorAccentGreen">#00C853</color>
+    <color name="colorAccentOrange">#E8681C</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -85,6 +85,9 @@ Contact us at <joguitos+pluck@luca0n.com>.
     <string name="ui_results_correct">Correct Answers</string>
     <string name="ui_results_wrong">Wrong Answers</string>
 		<string name="ui_results_total">Total Questions</string>
+		<string name="ui_results_time_elapsed">Time Elapsed</string>
+		<string name="ui_results_time_elapsed_format_seconds">%.1f seconds</string>
+		<string name="ui_results_time_elapsed_format_minutes">%.1f minutes</string>
 		<string name="ui_return_to_menu">Return To Menu</string>
 		<string name="ui_source">Source</string>
 		<string name="ui_source_about">This value specifies where the game should retrieve trivia data. By default, the game gathers trivia data from a server, but you can load trivia files with the "File" source option.</string>

app/src/main/res/values/styles.xml

@@ -31,6 +31,11 @@ Contact us at <joguitos+pluck@luca0n.com>.
 		<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 		<item name="colorAccent">@color/colorAccent</item>
 	</style>
+	<style name="AppTheme.Dark" parent="Theme.AppCompat">
+		<item name="colorPrimary">@color/colorPrimary</item>
+		<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+		<item name="colorAccent">@color/colorAccent</item>
+	</style>
 
 	<style name="TextLabel">
 		<item name="android:layout_width">match_parent</item>