BackupState.DISABLED has been removed. Now when the value is UNKNOWN, the app need to invoke EncryptionService.doesBackupExistOnServer() to check if a Backup exists.

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/encryption/BackupState.kt

@@ -31,6 +31,5 @@ enum class BackupState {
     RESUMING,
     ENABLED,
     DOWNLOADING,
-    DISABLING,
-    DISABLED;
+    DISABLING;
 }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/encryption/EncryptionService.kt

@@ -40,6 +40,8 @@ interface EncryptionService {
 
     suspend fun disableRecovery(): Result<Unit>
 
+    suspend fun doesBackupExistOnServer(): Result<Boolean>
+
     /**
      * Note: accept bot recoveryKey and passphrase.
      */