Pressing back button, we don't choose any provider

Once in the provider detail fragment, if the user presses the back
button, provider.json is removed from sharedpreferences (so that
Dashboard does not start as if the user had selected the canceled
provider) and ConfigurationWizard gets the focus.

1 files changed, 13 insertions, 3 deletions

diff --git a/src/se/leap/leapclient/ConfigHelper.java b/src/se/leap/leapclient/ConfigHelper.java
index e049642..559c8e0 100644
--- a/src/se/leap/leapclient/ConfigHelper.java
+++ b/src/se/leap/leapclient/ConfigHelper.java
@@ -164,9 +164,7 @@ public class ConfigHelper {
 	 */
 	public static String getStringFromSharedPref(String shared_preferences_key) {
 		String content = null;
-		if ( checkSharedPrefs() ) {
-			content = shared_preferences.getString(shared_preferences_key, "");
-		}
+		content = shared_preferences.getString(shared_preferences_key, "");
 		return content;
 	}
 	
@@ -196,6 +194,18 @@ public class ConfigHelper {
 		}
 		return value;
 	}
+	
+	/*
+	 * This method defaults to false.
+	 * If you use this method, be sure to fail-closed on false!
+	 * TODO This is obviously less than ideal...solve it!
+	 */
+	public static boolean removeFromSharedPref(String shared_preferences_key) {
+		SharedPreferences.Editor shared_preferences_editor = shared_preferences
+				.edit();
+		shared_preferences_editor.remove(shared_preferences_key);
+		return shared_preferences_editor.commit();
+	}
 
 	/**
 	 * Opens a FileInputStream from the user directory of the external storage directory.