- for (int i = 0; i < sets.length; i++) {
- AltosFrequency f = AltosFrequency.fromHashSet(sets[i], null);
- if (f != null)
- freqs.add(f);
+ 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]);