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 17 package com.android.camera.ui; 18 19 import com.android.camera.CameraPreference.OnPreferenceChangedListener; 20 import com.android.camera.ListPreference; 21 import com.android.camera.R; 22 23 import android.content.Context; 24 import android.hardware.Camera.CameraInfo; 25 import android.view.View; 26 27 /** 28 * A view for switching the front/back camera. 29 */ 30 public class CameraPicker extends RotateImageView implements View.OnClickListener { 31 private static int mImageResource; 32 33 private OnPreferenceChangedListener mListener; 34 private ListPreference mPreference; 35 private CharSequence[] mCameras; 36 37 public CameraPicker(Context context) { 38 super(context); 39 setImageResource(mImageResource); 40 setContentDescription(getResources().getString( 41 R.string.accessibility_camera_picker)); 42 } 43 44 public static void setImageResourceId(int imageResource) { 45 mImageResource = imageResource; 46 } 47 48 public void setListener(OnPreferenceChangedListener listener) { 49 mListener = listener; 50 } 51 52 public void initialize(ListPreference pref) { 53 mPreference = pref; 54 mCameras = pref.getEntryValues(); 55 if (mCameras == null) return; 56 setOnClickListener(this); 57 setVisibility(View.VISIBLE); 58 } 59 60 @Override 61 public void onClick(View v) { 62 if (mCameras == null) return; 63 int index = mPreference.findIndexOfValue(mPreference.getValue()); 64 CharSequence[] values = mPreference.getEntryValues(); 65 index = (index + 1) % values.length; 66 mPreference.setValue((String) mCameras[index]); 67 mListener.onSharedPreferenceChanged(); 68 } 69 } 70
