BPS12MfY

1
2
3public class SettingsActivity extends AppCompatActivity {
4
5    SharedPreferences sharedPreferences;
6    SharedPreferences.OnSharedPreferenceChangeListener preferenceChangeListener;
7    @Override
8    protected void onCreate(@Nullable Bundle savedInstanceState) {
9        super.onCreate(savedInstanceState);
10        setContentView(R.layout.activity_settings);
11
12        sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
13
14        SettingViewModel viewModel = ViewModelProviders.of(this).get(SettingViewModel.class);
15        TreeSet<String> def = new TreeSet<>();
16
17        def.add("null")
18
19        preferenceChangeListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
20            @Override
21            public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
22                Log.v("Shared Main Activity ", "Changed");
23                if(key.equals("duration"))
24                    Log.v("Duration Changed",
25                            "Need to Featch from Api" );
26                else {
27                    Set<String> newPref = sharedPreferences.getStringSet("key", def);
28                    for(String s: newPref)
29                        Log.v("New Settings : ", " " + s);
30                    String[] changedOwner = newPref.toArray(new String[newPref.size()]);
31                    Log.v("Settings Activity", "About to call settingsCHanged");
32                    viewModel.settingChanged(changedOwner);
33                }
34            }
35        };
36    }
37
38    @Override
39    protected void onResume() {
40        super.onResume();
41        sharedPreferences.registerOnSharedPreferenceChangeListener(preferenceChangeListener);
42    }
43
44    @Override
45    protected void onPause() {
46        super.onPause();
47        sharedPreferences.unregisterOnSharedPreferenceChangeListener(preferenceChangeListener);
48    }
49}