update AboutActivity

3 month --> 3 months

app/build.gradle.kts

@@ -23,6 +23,7 @@ android {
     buildTypes {
         release {
             isMinifyEnabled = false
+            isDebuggable = false
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"

app/src/main/java/com/schoolapp/cleverclass/AboutActivity.kt

@@ -83,7 +83,7 @@ fun AboutContent(activity: ComponentActivity){
         {
             AboutTextElement("This Product is published under the\nGNU General Public License\nVersion 3, 29 June 2007", 16.dp)
             AboutTextElement("Developed by:\n- Paul Posch\n- Matthias Meyer\n- Jakub Szarko\n- Emilian Bührer", 32.dp)
-            AboutTextElement("Fun Facts:\nThis app consists of 2.873 lines of code\nThe repository is 413KB big\nThe development took about 3 month", 64.dp)  //TODO: Update before launch
+            AboutTextElement("Fun Facts:\nThis app consists of 4.189 lines of code\nThe repository is 768KB big\nThe development took about 3 months", 64.dp)
 
             Spacer(modifier = Modifier.height(32.dp))
             Divider()
@@ -98,7 +98,7 @@ fun AboutContent(activity: ComponentActivity){
             ) {
                 Row {
                     Text(
-                        text = "Unterstütze die Entwickler",
+                        text = "Support the Devs",
                         style = MaterialTheme.typography.bodySmall,
                         color = MaterialTheme.colorScheme.onBackground,
                         modifier = Modifier.padding(16.dp)

app/src/main/java/com/schoolapp/cleverclass/DSBDownloader.kt

@@ -127,7 +127,19 @@ private fun decompressGZIPAndDecodeBase64(compressedData: String): String {
 private fun downloadImagesTask(jsonResponse: JSONObject, mainDir : File) : Int {
     clearFolder(mainDir)
 
-    val jsonDaysObject = jsonResponse.getJSONArray("ResultMenuItems").getJSONObject(0).getJSONArray("Childs").getJSONObject(0).getJSONObject("Root").getJSONArray("Childs")
+    var jsonDaysObject = jsonResponse.getJSONArray("ResultMenuItems")
+    for (i in 0 until jsonDaysObject.length()) {
+        if (jsonDaysObject.getJSONObject(i).get("Index") == 0) {
+            jsonDaysObject = jsonDaysObject.getJSONObject(i).getJSONArray("Childs")
+            break
+        }
+    }
+    for (i in 0 until jsonDaysObject.length()) {
+        if (jsonDaysObject.getJSONObject(i).get("Index") == 0) {
+            jsonDaysObject = jsonDaysObject.getJSONObject(i).getJSONObject("Root").getJSONArray("Childs")
+            break
+        }
+    }
 
     for (d in 0 until jsonDaysObject.length()) {
         val jsonDayObject = jsonDaysObject.getJSONObject(d)
@@ -201,20 +213,6 @@ private fun createDataFolder(context: Context) : File {
     return folder
 }
 
-private fun clearFolder(directory: File) {
-    if (directory.exists()) {
-        val files = directory.listFiles()
-        if (files != null) {
-            for (file in files) {
-                if (file.isDirectory) {
-                    clearFolder(file)
-                }
-                file.delete()
-            }
-        }
-    }
-}
-
 private fun isInternetAvailable(context: Context): Boolean {
     val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
     val network = connectivityManager.activeNetwork

app/src/main/java/com/schoolapp/cleverclass/SettingsActivity.kt

@@ -24,6 +24,7 @@ import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Divider
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
@@ -35,8 +36,10 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
@@ -64,6 +67,10 @@ fun SettingsContent(activity: ComponentActivity) {
     val sharedPreferences = activity.getSharedPreferences("Settings", Context.MODE_PRIVATE)
     val editor = sharedPreferences.edit()
 
+    var showDeleteConfirmation by remember {
+        mutableStateOf(false)
+    }
+
     Column(modifier = Modifier.fillMaxSize()) {
         // Top AppBar
         TopAppBar(
@@ -94,14 +101,14 @@ fun SettingsContent(activity: ComponentActivity) {
                 .weight(1f)
                 .verticalScroll(rememberScrollState())
                 .fillMaxWidth()
-
         ) {
             Setting(text = "Stundenplan", sharedPreferences, editor)
             Setting(text = "Noten", sharedPreferences, editor)
             Setting(text = "Periodensystem", sharedPreferences, editor)
-            Setting(text = "Mebis", sharedPreferences, editor)
             Setting(text = "DSBmobile", sharedPreferences, editor)
+            Setting(text = "Mebis", sharedPreferences, editor)
             Spacer(modifier = Modifier.height(16.dp))
+
             Divider()
             Box(
                 modifier = Modifier
@@ -120,6 +127,19 @@ fun SettingsContent(activity: ComponentActivity) {
                     modifier = Modifier.padding(16.dp)
                 )
             }
+            Divider()
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .clickable { showDeleteConfirmation = true }
+            ) {
+                Text(
+                    text = "Alle Daten löschen",
+                    color = MaterialTheme.colorScheme.onBackground,
+                    style = MaterialTheme.typography.labelMedium,
+                    modifier = Modifier.padding(16.dp)
+                )
+            }
         }
 
         // About Button
@@ -150,6 +170,43 @@ fun SettingsContent(activity: ComponentActivity) {
             Spacer(modifier = Modifier.height(8.dp))
         }
     }
+
+    if(showDeleteConfirmation){
+        AlertDialog(
+            onDismissRequest = { showDeleteConfirmation = false },
+            text = {
+                Text(
+                    text = "Möchten Sie wirklich alle Daten aus dieser App löschen?\n" +
+                            "Dieser Vorgang kann nicht rückgängig gemacht werden.",
+                    color = MaterialTheme.colorScheme.onPrimaryContainer,
+                    style = MaterialTheme.typography.labelMedium
+                )
+            },
+            confirmButton = {
+                Row(modifier = Modifier.fillMaxWidth()){
+                    Text(
+                        text = "Löschen",
+                        color = MaterialTheme.colorScheme.secondary,
+                        style = MaterialTheme.typography.labelMedium,
+                        modifier = Modifier.clickable {
+                            deleteAllData(activity)
+                            showDeleteConfirmation = false
+                        }
+                    )
+
+                    Spacer(modifier = Modifier.weight(1f))
+
+                    Text(
+                        text = "Abbrechen",
+                        color = MaterialTheme.colorScheme.secondary,
+                        style = MaterialTheme.typography.labelMedium,
+                        modifier = Modifier.clickable { showDeleteConfirmation = false }
+                    )
+                }
+            },
+            containerColor = MaterialTheme.colorScheme.primaryContainer
+        )
+    }
 }
 
 @Composable

app/src/main/java/com/schoolapp/cleverclass/StundenplanActivity.kt

@@ -39,6 +39,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.scale
 import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.unit.dp
 import androidx.core.content.ContextCompat.startActivity
@@ -212,7 +213,7 @@ fun StundenplanContent(activity: ComponentActivity, loadedLessons: List<List<Les
                             )
                         }
                         //Else creation of a Box containing all the information from the LessonData object
-                        else if (dailyLessons != emptyList<LessonData>()) {
+                        else if (dailyLessons != emptyList<LessonData>() && dailyLessons.size != extraIndex) {
                             LessonBox(subject = dailyLessons[extraIndex].subject, teacher = dailyLessons[extraIndex].teacher, room = dailyLessons[extraIndex].room)
                             //ExtraIndex counted up only here as it does only index the lessons and NOT the breaks
                             extraIndex++
@@ -238,7 +239,7 @@ fun StundenplanContent(activity: ComponentActivity, loadedLessons: List<List<Les
             text = {
                 Text(
                     text = "Die Breite der Spalten ist auf eine bestimmte Größe festgelegt.\n\n" +
-                            "Zu lange eingaben können horizontal gescrollt werden.",
+                            "Zu lange Eingaben können horizontal gescrollt werden.",
                     color = MaterialTheme.colorScheme.onPrimaryContainer,
                     style = MaterialTheme.typography.labelMedium)
             },
@@ -371,7 +372,9 @@ fun InfoColumn(loadedLessons: List<List<LessonData>>, breakAmnt: Int, breaksStar
                         ) {
                             //"Pause" String instead of indexing
                             Text(
-                                modifier = Modifier.align(Alignment.Center),
+                                modifier = Modifier
+                                    .align(Alignment.Center)
+                                    .scale(1.1f),
                                 text = "Pause",
                                 textDecoration = TextDecoration.Underline,
                                 style = MaterialTheme.typography.labelLarge
@@ -380,7 +383,8 @@ fun InfoColumn(loadedLessons: List<List<LessonData>>, breakAmnt: Int, breaksStar
                             Text(
                                 modifier = Modifier
                                     .align(Alignment.BottomCenter)
-                                    .padding(3.dp),
+                                    .padding(3.dp)
+                                    .scale(0.8f),
                                 text = formattedBreakTime,
                                 style = MaterialTheme.typography.labelMedium
                             )
@@ -407,7 +411,9 @@ fun InfoColumn(loadedLessons: List<List<LessonData>>, breakAmnt: Int, breaksStar
                         ) {
                             //String with the indexing of the lessons
                             Text(
-                                modifier = Modifier.align(Alignment.Center),
+                                modifier = Modifier
+                                    .align(Alignment.Center)
+                                    .scale(1.1f),
                                 text = "${i + 1 - lessonNegIncrement}:",
                                 textDecoration = TextDecoration.Underline,
                                 style = MaterialTheme.typography.labelLarge
@@ -416,7 +422,8 @@ fun InfoColumn(loadedLessons: List<List<LessonData>>, breakAmnt: Int, breaksStar
                             Text(
                                 modifier = Modifier
                                     .align(Alignment.BottomCenter)
-                                    .padding(3.dp),
+                                    .padding(3.dp)
+                                    .scale(0.8f),
                                 text = substringHelper(extraIndex, firstLesson, lessonLength, lessonTimeIncrement),
                                 style = MaterialTheme.typography.labelMedium
                             )

app/src/main/java/com/schoolapp/cleverclass/TimeTableSetupActivity.kt

@@ -189,10 +189,19 @@ fun TimeTableSetupContent(activity: ComponentActivity, loadedLessons: List<Lesso
                 IconButton(
                     onClick = {
                         activity.finish()
+                        if (setupDone) {
                             val intent = Intent(activity, StundenplanActivity::class.java)
                             intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
                             startActivity(activity, intent, null)
                         }
+                        else {
+                            val intent = Intent(activity, MainActivity::class.java)
+                            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
+                            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+                            startActivity(activity, intent, null)
+                        }
+                    }
                 ) {
                     Icon(
                         imageVector = Icons.Filled.ArrowBack,
@@ -383,11 +392,20 @@ fun TimeTableSetupContent(activity: ComponentActivity, loadedLessons: List<Lesso
                                     editor.putInt("breakAmnt", breakAmnt.toInt())
                                     editor.apply()
                                     activity.finish()
+                                    if (setupDone) {
                                         //Reopen of activity so values will be updated
                                         val intent = Intent(activity, StundenplanActivity::class.java)
                                         //Remove previous StundenplanActivity from activity stack so when going back later it won't exist twice
                                         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
                                         startActivity(activity, intent, null)
+                                    }
+                                    else {
+                                        val intent = Intent(activity, MainActivity::class.java)
+                                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                                        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
+                                        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+                                        startActivity(activity, intent, null)
+                                    }
                                 },
                                 modifier = Modifier
                                     .padding(5.dp)
@@ -492,7 +510,7 @@ fun TimeTableSetupContent(activity: ComponentActivity, loadedLessons: List<Lesso
                                     lessons = lessons + LessonData("", "", "")
                                 }
                                 while (currentLessonAmount.toInt() < lessons.size) {
-                                    lessons = lessons.drop(1)
+                                    lessons = lessons.dropLast(1)
                                 }
 
                                 lessons.forEachIndexed { index, lessonData ->
@@ -555,6 +573,7 @@ fun TimeTableSetupContent(activity: ComponentActivity, loadedLessons: List<Lesso
                                         colors = inputFieldColors,
                                     )
                                 }
+                                saveLessonsUsage(activity, lessons, state)
                             }
                             //save an empty list into DataStore currentLessonAmount == 0
                             else {
@@ -604,7 +623,6 @@ fun TimeTableSetupContent(activity: ComponentActivity, loadedLessons: List<Lesso
                                         }
                                         startActivity(activity, intent, null)
                                     }
-
                                 },
                                 modifier = Modifier
                                     .padding(5.dp)

app/src/main/java/com/schoolapp/cleverclass/Utilities.kt

@@ -1,5 +1,9 @@
 package com.schoolapp.cleverclass
 
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import androidx.activity.ComponentActivity
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -17,6 +21,10 @@ import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.File
 
 
 const val NO_INTERNET_CONNECTION_CODE = -1
@@ -64,3 +72,46 @@ fun StaticLoadingScreen(){
         }
     }
 }
+
+fun deleteAllData(activity: ComponentActivity){
+    val sharedPrefs = listOf("Settings", "DSBmobile", "gradeAverages", "TimeTable")
+    for (prefName in sharedPrefs) {
+        val sharedPreferences = activity.getSharedPreferences(prefName, Context.MODE_PRIVATE)
+        val editor = sharedPreferences.edit()
+        editor.clear()
+        editor.apply()
+    }
+
+    clearFolder(activity.filesDir)
+    clearFolder(activity.cacheDir)
+
+    CoroutineScope(Dispatchers.Main).launch {
+        restartApp(activity)
+    }
+}
+
+fun clearFolder(directory: File) {
+    if (directory.exists()) {
+        val files = directory.listFiles()
+        if (files != null) {
+            for (file in files) {
+                if (file.isDirectory) {
+                    clearFolder(file)
+                }
+                file.delete()
+            }
+        }
+    }
+}
+
+fun restartApp(context: Context) {
+    val packageManager = context.packageManager
+    val intent = packageManager.getLaunchIntentForPackage(context.packageName)
+    intent?.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+    intent?.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+    context.startActivity(intent)
+    if (context is Activity) {
+        context.finish()
+    }
+    Runtime.getRuntime().exit(0)
+}

app/src/main/java/com/schoolapp/cleverclass/ui/theme/Color.kt

@@ -8,9 +8,9 @@ val Black80 = Color(0xFF333333)
 val Black70 = Color(0xFF4B4B4B)
 
 val White100 = Color(0xFFFFFFFF)
-val White90 = Color(0xFFEBEBEB)
+val White90 = Color(0xFFFAFAFA)
 val White80 = Color(0xFFD3D3D3)
-val White70 = Color(0xFFBBBBBB)
+val White70 = Color(0xFFAFAFAF)
 
 
 val TextOnColouredButton = Color(0xFF121212)