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