Improve wording

vector/src/main/java/im/vector/riotx/features/crypto/keysbackup/setup/KeysBackupSetupStep3Fragment.kt

@@ -176,25 +176,24 @@ class KeysBackupSetupStep3Fragment @Inject constructor() : VectorBaseFragment()
                                 os.write(data.toByteArray())
                                 os.flush()
                             }
-                }?.let {
-                    uri.toString()
                 }
-                        ?: throw IOException()
+                        ?: throw IOException("Unable to write the file")
             }
                     .fold(
                             { throwable ->
-                                context?.let {
+                                activity?.let {
                                     AlertDialog.Builder(it)
                                             .setTitle(R.string.dialog_title_error)
-                                            .setMessage(throwable.localizedMessage)
+                                            .setMessage(errorFormatter.toHumanReadable(throwable))
+
                                 }
                             },
-                            { path ->
+                            {
                                 viewModel.copyHasBeenMade = true
-
-                                context?.let {
+                                activity?.let {
                                     AlertDialog.Builder(it)
-                                            .setMessage(getString(R.string.recovery_key_export_saved_as_warning, path))
+                                            .setTitle(R.string.dialog_title_success)
+                                            .setMessage(R.string.recovery_key_export_saved)
                                 }
                             }
                     )

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

@@ -126,6 +126,7 @@
     <string name="dialog_title_confirmation">Confirmation</string>
     <string name="dialog_title_warning">Warning</string>
     <string name="dialog_title_error">Error</string>
+    <string name="dialog_title_success">Success</string>
 
     <!-- Bottom navigation buttons -->
     <string name="bottom_action_home">Home</string>
@@ -1413,6 +1414,7 @@ Why choose Riot.im?
     <string name="keys_backup_setup_step3_share_recovery_file">Share</string>
     <string name="keys_backup_setup_step3_save_button_title">Save as File</string>
     <string name="recovery_key_export_saved_as_warning">The recovery key has been saved to \'%s\'.\n\nWarning: this file may be deleted if the application is uninstalled.</string>
+    <string name="recovery_key_export_saved">The recovery key has been saved.</string>
 
     <string name="keys_backup_setup_override_backup_prompt_tile">A backup already exist on your HomeServer</string>
     <string name="keys_backup_setup_override_backup_prompt_description">It looks like you already have setup key backup from another session. Do you want to replace it with the one you’re creating?</string>