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 android.content.Context; 20 import android.hardware.Camera.CameraInfo; 21 import android.view.View; 22 23 import com.android.camera.CameraPreference.OnPreferenceChangedListener; 24 import com.android.camera.ListPreference; 25 import com.android.camera.R; 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 CameraPicker(Context context)36 public CameraPicker(Context context) { 37 super(context); 38 setImageResource(mImageResource); 39 setContentDescription(getResources().getString( 40 R.string.accessibility_camera_picker)); 41 setId(R.id.camera_picker); 42 } 43 setImageResourceId(int imageResource)44 public static void setImageResourceId(int imageResource) { 45 mImageResource = imageResource; 46 } 47 setListener(OnPreferenceChangedListener listener)48 public void setListener(OnPreferenceChangedListener listener) { 49 mListener = listener; 50 } 51 initialize(ListPreference pref)52 public void initialize(ListPreference pref) { 53 mPreference = pref; 54 setOnClickListener(this); 55 setVisibility(View.VISIBLE); 56 } 57 setCameraId(int cameraId)58 public void setCameraId(int cameraId) { 59 mPreference.setValue("" + cameraId); 60 } 61 62 @Override onClick(View v)63 public void onClick(View v) { 64 // Find the index of next camera. 65 int index = mPreference.findIndexOfValue(mPreference.getValue()); 66 CharSequence[] values = mPreference.getEntryValues(); 67 index = (index + 1) % values.length; 68 int newCameraId = Integer.parseInt((String) values[index]); 69 mListener.onCameraPickerClicked(newCameraId); 70 } 71 } 72