Scope

app/src/main/java/com/menagerie/ophelia/MainActivity.kt

@@ -24,26 +24,121 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.menagerie.ophelia.ui.theme.OpheliaTheme
 
+data class Question<T>(
+    val questionText: String,
+    val answer: T,
+    val difficulty: Difficulty
+)
+
+enum class Difficulty {
+    EASY, MEDIUM, HARD
+}
+
+
+interface ProgressPrintable {
+    val progressText: String
+    fun printProgressBar(): String
+}
+
+class Quiz : ProgressPrintable {
+
+    override val progressText: String
+        get() = "$answered of $total answered."
+
+    override fun printProgressBar(): String {
+        var progress = ""
+        repeat(Quiz.answered) { progress += "▓" }
+        repeat(Quiz.total - Quiz.answered) {progress += "▒"}
+        return progress
+    }
+
+    fun printQuiz(): String {
+        var quizText: String = ""
+        question1.let {
+            quizText += it.questionText + "\n"
+            quizText += it.answer +"\n"
+            quizText += it.difficulty.toString() + "\n"
+        }
+        quizText += "\n"
+        question2.let {
+            quizText += it.questionText + "\n"
+            quizText += it.answer.toString() + "\n"
+            quizText += it.difficulty.toString() + "\n"
+        }
+        quizText += "\n"
+        question3.let {
+            quizText += it.questionText + "\n"
+            quizText += it.answer.toString() +"\n"
+            quizText += it.difficulty.toString() + "\n"
+        }
+        return quizText
+    }
+
+    private val question1 = Question<String> (
+            "Quoth the raven ___",
+            "nevermore",
+            Difficulty.MEDIUM
+        )
+    private val question2 = Question<Boolean> (
+        "The sky is green. True or false",
+        false,
+        Difficulty.EASY
+    )
+    private val question3 = Question<Int> (
+        "How many days are there between full moons?",
+            28,
+            Difficulty.HARD
+        )
+
+    //Declaring Progress a "companion" is what lets us directly access total and
+    //answered from Quiz
+    companion object Progress {
+        var total: Int = 10
+        var answered: Int = 5
+    }
+}
+
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContent {
             OpheliaTheme {
                 // A surface container using the 'background' color from the theme
-                Surface(
-                    modifier = Modifier.fillMaxSize(),
-                    color = Color.White
-                ) {
-                    GreetingImage(
-                        message = getString(R.string.main_welcome_message),
-                        from = getString(R.string.tagline)
-                    )
-                }
+                QuestionGame()
             }
         }
     }
 }
 
+@Composable
+fun QuestionGame(modifier: Modifier = Modifier) {
+
+    //just start doing stuff right away with .apply{}
+    val quiz = Quiz().apply {
+        Quiz.total = 15
+    }
+
+    //You can even apply it to a class directly
+    //and since Progress is an "object" or singleton,
+    //it still updates what we display in the preview!
+    Quiz().apply {
+        Quiz.answered = 7
+    }
+
+    Column(
+        modifier = Modifier.fillMaxSize(),
+    ) {
+        var text = quiz.printProgressBar()
+        Text(text = text)
+        Text(
+            text = quiz.progressText //Because Progress is a companion, this is accessible, too!
+        )
+        Text(
+            text = quiz.printQuiz()
+        )
+    }
+}
+
 @Composable
 fun GreetingImage(message: String, from: String, modifier: Modifier = Modifier) {
     val image = painterResource(R.drawable.androidparty)
@@ -89,7 +184,7 @@ fun GreetingText(message: String, from: String, modifier: Modifier = Modifier) {
     }
 }
 
-@Preview(showBackground = true)
+//@Preview(showBackground = true)
 @Composable
 fun BirthdayCardPreview() {
     OpheliaTheme {
@@ -99,3 +194,11 @@ fun BirthdayCardPreview() {
         )
     }
 }
+
+@Preview(showBackground = true)
+@Composable
+fun QuestionGamePreview() {
+    OpheliaTheme {
+        QuestionGame()
+    }
+}