- show device credentials only when set up

- allow press back/cancel during device credentials

Signed-off-by: tobiaskaminsky <tobias@kaminsky.me>

src/main/java/com/owncloud/android/authentication/PassCodeManager.java

@@ -43,6 +43,8 @@ public class PassCodeManager {
 
     public static final int PASSCODE_ACTIVITY = 9999;
 
+    public static final int PASSCODE_ACTIVITY = 9999;
+
     static {
         exemptOfPasscodeActivities = new HashSet<>();
         exemptOfPasscodeActivities.add(PassCodeActivity.class);