1 /* 2 * Copyright (C) 2013 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.util.AttributeSet; 21 22 import java.util.List; 23 24 /* CountDownTimerPreference generates entries (i.e. what users see in the UI), 25 * and entry values (the actual value recorded in preference) in 26 * initCountDownTimeChoices(Context context), rather than reading the entries 27 * from a predefined list. When the entry values are a continuous list of numbers, 28 * (e.g. 0-60), it is more efficient to auto generate the list than to predefine it.*/ 29 public class CountDownTimerPreference extends ListPreference { 30 private final static int MAX_DURATION = 60; 31 public CountDownTimerPreference(Context context, AttributeSet attrs) { 32 super(context, attrs); 33 initCountDownDurationChoices(context); 34 } 35 36 private void initCountDownDurationChoices(Context context) { 37 CharSequence[] entryValues = new CharSequence[MAX_DURATION + 1]; 38 CharSequence[] entries = new CharSequence[MAX_DURATION + 1]; 39 for (int i = 0; i <= MAX_DURATION; i++) { 40 entryValues[i] = Integer.toString(i); 41 if (i == 0) { 42 entries[0] = context.getString(R.string.setting_off); // Off 43 } else { 44 entries[i] = context.getResources() 45 .getQuantityString(R.plurals.pref_camera_timer_entry, i, i); 46 } 47 } 48 setEntries(entries); 49 setEntryValues(entryValues); 50 } 51 } 52
