[UI] Fix writing files on Android 13 and newer.

app/src/main/java/pl/szczodrzynski/edziennik/App.kt

@@ -235,6 +235,7 @@ class App : MultiDexApplication(), Configuration.Provider, CoroutineScope {
         }
 
         Signing.getCert(this)
+        Utils.initializeStorageDir(this)
 
         launch {
             withContext(Dispatchers.Default) {

app/src/main/java/pl/szczodrzynski/edziennik/ui/timetable/GenerateBlockTimetableDialog.kt

@@ -109,14 +109,12 @@ class GenerateBlockTimetableDialog(
                 .show()
 
         dialog.getButton(AlertDialog.BUTTON_POSITIVE)?.onClick {
-            app.permissionManager.requestStoragePermission(activity, permissionMessage = R.string.permissions_generate_timetable) {
             when (b.weekSelectionRadioGroup.checkedRadioButtonId) {
                 R.id.withChangesCurrentWeekRadio -> generateBlockTimetable(weekCurrentStart, weekCurrentEnd)
                 R.id.withChangesNextWeekRadio -> generateBlockTimetable(weekNextStart, weekNextEnd)
                 R.id.forSelectedWeekRadio -> selectDate()
             }
         }
-        }
     }}
 
     private fun selectDate() {

app/src/main/java/pl/szczodrzynski/edziennik/ui/views/AttachmentsView.kt

@@ -5,6 +5,7 @@
 package pl.szczodrzynski.edziennik.ui.views
 
 import android.content.Context
+import android.os.Build
 import android.os.Bundle
 import android.util.AttributeSet
 import androidx.appcompat.app.AppCompatActivity
@@ -50,6 +51,10 @@ class AttachmentsView @JvmOverloads constructor(
         val attachmentSizes = arguments.getLongArray("attachmentSizes")
 
         val adapter = AttachmentAdapter(context, onAttachmentClick = { item ->
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                downloadAttachment(item)
+                return@AttachmentAdapter
+            }
             app.permissionManager.requestStoragePermission(activity, R.string.permissions_attachment) {
                 downloadAttachment(item)
             }
@@ -57,6 +62,10 @@ class AttachmentsView @JvmOverloads constructor(
             val popupMenu = PopupMenu(chip.context, chip)
             popupMenu.menu.add(0, 1, 0, R.string.messages_attachment_download_again)
             popupMenu.setOnMenuItemClickListener {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                    downloadAttachment(item)
+                    return@setOnMenuItemClickListener true
+                }
                 app.permissionManager.requestStoragePermission(activity, R.string.permissions_attachment) {
                     downloadAttachment(item, forceDownload = true)
                 }

app/src/main/java/pl/szczodrzynski/edziennik/utils/Utils.java

@@ -774,12 +774,19 @@ public class Utils {
 
     private static File storageDir = null;
     public static File getStorageDir() {
-        if (storageDir != null)
         return storageDir;
+    }
+
+    public static void initializeStorageDir(Context context) {
+        if (storageDir != null)
+            return;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            storageDir = context.getExternalFilesDir(null);
+        } else {
             storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
             storageDir = new File(storageDir, "Szkolny.eu");
+        }
         storageDir.mkdirs();
-        return storageDir;
     }
 
     public static void writeStringToFile(File file, String data) throws IOException {

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

@@ -1353,7 +1353,6 @@
     <string name="home_archive_close_no_target_text">Child %s does not have a profile on this account in the current school year. Probably this profile has been deleted or the student no longer attends this class.\n\nTo go to the current profile, select a student from the list or log in to their account with the Add student button.</string>
     <string name="build_invalid_no_remote_repo">A reference to a remote repository was not found. Make sure you are using the official repository fork and verify your Gradle configuration.</string>
     <string name="login_mode_mobidziennik_web_guide">"Enter the data you use to log in to the MobiDziennik website. As the server address, you can enter the address of the website where you have MobiDziennik. "</string>
-    <string name="permissions_generate_timetable">In order to be able to save the generated timetable, you must grant access rights to the device\'s memory.\n\nClick OK to grant permissions.</string>
     <string name="login_summary_account_child">(Child)</string>
     <string name="login_summary_account_parent">(Parent)</string>
     <string name="menu_teachers">Teachers</string>

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

@@ -1416,7 +1416,6 @@
     <string name="build_dialog_open_repo">Sprawdź kod</string>
     <string name="error_no_api_access">Brak dostępu do API</string>
     <string name="build_date">Data kompilacji</string>
-    <string name="permissions_generate_timetable">Aby móc zapisać wygenerowany plan lekcji musisz przyznać uprawnienia dostępu do pamięci urządzenia.\n\nKliknij OK, aby przyznać uprawnienia.</string>
     <string name="privacy_policy_dialog_html"><![CDATA[Korzystając z aplikacji potwierdzasz <a href="https://szkolny.eu/privacy-policy">przeczytanie Polityki prywatności</a> i akceptujesz jej postanowienia.<br /><br />Autorzy aplikacji nie biorą odpowiedzialności za korzystanie z aplikacji Szkolny.eu.]]></string>
     <string name="login_chooser_version_format">Szkolny.eu v%s\n%s</string>
     <string name="menu_agenda_config">Ustawienia terminarza</string>