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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.deskclock.settings;
     18 
     19 import android.annotation.TargetApi;
     20 import android.os.Build;
     21 import android.os.Bundle;
     22 import android.preference.ListPreference;
     23 import android.preference.Preference;
     24 import android.preference.PreferenceFragment;
     25 import android.support.v7.app.AppCompatActivity;
     26 import android.view.MenuItem;
     27 
     28 import com.android.deskclock.R;
     29 import com.android.deskclock.Utils;
     30 
     31 /**
     32  * Settings for Clock screen saver
     33  */
     34 public final class ScreensaverSettingsActivity extends AppCompatActivity {
     35 
     36     public static final String KEY_CLOCK_STYLE = "screensaver_clock_style";
     37     public static final String KEY_NIGHT_MODE = "screensaver_night_mode";
     38 
     39     @Override
     40     protected void onCreate(Bundle savedInstanceState) {
     41         super.onCreate(savedInstanceState);
     42         setContentView(R.layout.screensaver_settings);
     43     }
     44 
     45     @Override
     46     public boolean onOptionsItemSelected (MenuItem item) {
     47         switch (item.getItemId()) {
     48             case android.R.id.home:
     49                 finish();
     50                 return true;
     51             default:
     52                 break;
     53         }
     54         return super.onOptionsItemSelected(item);
     55     }
     56 
     57 
     58     public static class PrefsFragment extends PreferenceFragment
     59             implements Preference.OnPreferenceChangeListener {
     60 
     61         @Override
     62         @TargetApi(Build.VERSION_CODES.N)
     63         public void onCreate(Bundle savedInstanceState) {
     64             super.onCreate(savedInstanceState);
     65 
     66             if (Utils.isNOrLater()) {
     67                 getPreferenceManager().setStorageDeviceProtected();
     68             }
     69             addPreferencesFromResource(R.xml.screensaver_settings);
     70         }
     71 
     72         @Override
     73         public void onResume() {
     74             super.onResume();
     75             refresh();
     76         }
     77 
     78         @Override
     79         public boolean onPreferenceChange(Preference pref, Object newValue) {
     80             if (KEY_CLOCK_STYLE.equals(pref.getKey())) {
     81                 final ListPreference clockStylePref = (ListPreference) pref;
     82                 final int index = clockStylePref.findIndexOfValue((String) newValue);
     83                 clockStylePref.setSummary(clockStylePref.getEntries()[index]);
     84             }
     85             return true;
     86         }
     87 
     88         private void refresh() {
     89             final ListPreference clockStylePref = (ListPreference) findPreference(KEY_CLOCK_STYLE);
     90             clockStylePref.setSummary(clockStylePref.getEntry());
     91             clockStylePref.setOnPreferenceChangeListener(this);
     92         }
     93     }
     94 }
     95