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      1 /*
      2  * Copyright (C) 2010 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 package com.android.quicksearchbox.preferences;
     17 
     18 import android.app.Activity;
     19 import android.preference.Preference;
     20 
     21 /**
     22  * Interfaces for classes that handle logic behind a settings preference.
     23  */
     24 public interface PreferenceController {
     25 
     26     /**
     27      * Handle a preference. This should take any action necessary to implement the logic behind the
     28      * given preference. It will be called from {@link Activity#onCreate}.
     29      * @param p
     30      */
     31     void handlePreference(Preference p);
     32 
     33     /**
     34      * Called when {@link Activity#onCreate} has completed and is just about to return.
     35      */
     36     void onCreateComplete();
     37 
     38     /**
     39      * Called from {@link Activity#onResume}.
     40      */
     41     void onResume();
     42 
     43     /**
     44      * Called from {@link Activity#onStop}.
     45      */
     46     void onStop();
     47 
     48     /**
     49      * called from {@link Activity#onDestroy}
     50      */
     51     void onDestroy();
     52 
     53 }
     54