feat: added russian translations

mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt

@@ -24,7 +24,7 @@ import kotlinx.serialization.json.Json
 import ru.omni_devel.cards.ui.theme.OmniCardsTheme
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.setValue
-import kotlinx.serialization.decodeFromString
+import androidx.compose.ui.res.stringResource
 
 class BackupActivity : ComponentActivity() {
     private lateinit var db: DbHelper
@@ -65,12 +65,12 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
                 context.contentResolver.openOutputStream(it)?.use { outputStream ->
                     outputStream.write(jsonData.toByteArray())
 
-                    Toast.makeText(context, "Backup successfully saved", Toast.LENGTH_SHORT).show()
+                    Toast.makeText(context, context.getString(R.string.backup_successfully_saved), Toast.LENGTH_SHORT).show()
 
                     activityContext!!.finish()
                 }
             } catch (e: Exception) {
-                Toast.makeText(context, "Failed to save backup: $e", Toast.LENGTH_LONG).show()
+                Toast.makeText(context, context.getString(R.string.failed_to_save_backup, e), Toast.LENGTH_LONG).show()
             }
         }
     }
@@ -86,8 +86,8 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
 
     if (showImportDialog.value) {
         AlertDialog(
-            title = { Text("Restore backup") },
-            text = { Text("This will replace existing cards by data from backup file. Continue?") },
+            title = { Text(stringResource(R.string.ask_do_restore)) },
+            text = { Text(stringResource(R.string.restore_caution)) },
             confirmButton = {
                 TextButton(
                     onClick = {
@@ -105,17 +105,17 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
                                     db.clearDatabase()
                                     db.addCards(cards)
 
-                                    Toast.makeText(context, "Data successfully restored from backup", Toast.LENGTH_SHORT).show()
+                                    Toast.makeText(context, context.getString(R.string.backup_successfully_restored), Toast.LENGTH_SHORT).show()
 
                                     activityContext!!.finish()
                                 }
                             } catch (e: Exception) {
-                                Toast.makeText(context, "Failed to restore data from backup: $e", Toast.LENGTH_LONG).show()
+                                Toast.makeText(context, context.getString(R.string.failed_to_restore_backup, e), Toast.LENGTH_LONG).show()
                             }
                         }
                     }
                 ) {
-                    Text("Yes")
+                    Text(stringResource(R.string.yes))
                 }
             },
             dismissButton = {
@@ -124,7 +124,7 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
                         showImportDialog.value = false
                     }
                 ) {
-                    Text("No")
+                    Text(stringResource(R.string.no))
                 }
             },
             onDismissRequest = { showImportDialog.value = false },
@@ -137,14 +137,14 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
                 createBackupLauncher.launch("omnicards-backup.json")
             }
         ) {
-            Text("Backup to file")
+            Text(stringResource(R.string.do_backup))
         }
         FullWidthButton(
             onClick = {
                 restoreFromBackupLauncher.launch("application/json")
             }
         ) {
-            Text("Restore from file")
+            Text(stringResource(R.string.do_restore))
         }
     }
 }