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.camera; 18 19 import android.content.Context; 20 import android.content.SharedPreferences; 21 import android.content.res.TypedArray; 22 import android.util.AttributeSet; 23 24 import com.android.camera.R; 25 26 /** 27 * The base class of all Preferences used in Camera. The preferences can be 28 * loaded from XML resource by <code>PreferenceInflater</code>. 29 */ 30 public abstract class CameraPreference { 31 32 private final String mTitle; 33 private SharedPreferences mSharedPreferences; 34 private final Context mContext; 35 36 static public interface OnPreferenceChangedListener { onSharedPreferenceChanged()37 public void onSharedPreferenceChanged(); onRestorePreferencesClicked()38 public void onRestorePreferencesClicked(); onOverriddenPreferencesClicked()39 public void onOverriddenPreferencesClicked(); 40 } 41 CameraPreference(Context context, AttributeSet attrs)42 public CameraPreference(Context context, AttributeSet attrs) { 43 mContext = context; 44 TypedArray a = context.obtainStyledAttributes( 45 attrs, R.styleable.CameraPreference, 0, 0); 46 mTitle = a.getString(R.styleable.CameraPreference_title); 47 a.recycle(); 48 } 49 getTitle()50 public String getTitle() { 51 return mTitle; 52 } 53 getSharedPreferences()54 public SharedPreferences getSharedPreferences() { 55 if (mSharedPreferences == null) { 56 mSharedPreferences = ComboPreferences.get(mContext); 57 } 58 return mSharedPreferences; 59 } 60 reloadValue()61 public abstract void reloadValue(); 62 } 63