+ AltosJson sets;
+
+ try {
+ sets = AltosJson.fromString(backend.getString(frequenciesPreference,null));
+
+ if (sets != null) {
+ ArrayList<AltosFrequency> freqs = new ArrayList<AltosFrequency>();
+
+ for (int i = 0; i < sets.size(); i++) {
+ AltosFrequency f = AltosFrequency.fromJson(sets.get(i), null);
+ if (f != null)
+ freqs.add(f);
+ }
+ frequencies = freqs.toArray(new AltosFrequency[0]);
+ }
+ } catch (Exception e) {
+ sets = null;
+ }