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