AlertDialog for failed downloads.

The dialog shows only an "OK" button to dismiss it, and the reason why
the download failed.

Right now, this dialog appears if a download is not successful. If it's
too intrusive, I can remove some cases. Let's try how it feels.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/se/leap/bitmaskclient/ConfigHelper.java b/src/se/leap/bitmaskclient/ConfigHelper.java
index b916a9ac..d2253dfe 100644
--- a/src/se/leap/bitmaskclient/ConfigHelper.java
+++ b/src/se/leap/bitmaskclient/ConfigHelper.java
@@ -178,6 +178,18 @@ public class ConfigHelper {
 		shared_preferences_editor.remove(shared_preferences_key);
 		return shared_preferences_editor.commit();
 	}
+	
+	public static boolean checkErroneousDownload(String downloaded_string) {
+		try {
+			if(new JSONObject(downloaded_string).has(ProviderAPI.ERRORS) || downloaded_string.isEmpty()) {
+				return true;
+			} else {
+				return false;
+			}
+		} catch(JSONException e) {
+			return false;
+		}
+	}
 
 	/**
 	 *  Treat the input as the MSB representation of a number,