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.settings.print; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.provider.Settings; 22 import android.text.TextUtils.SimpleStringSplitter; 23 24 import java.util.ArrayList;import java.util.List; 25 26 /** 27 * Helper methods for reading and writing to print settings. 28 */ 29 public class PrintSettingsUtils { 30 31 private static final char ENABLED_PRINT_SERVICES_SEPARATOR = ':'; 32 33 private PrintSettingsUtils() { 34 /* do nothing */ 35 } 36 37 public static List<ComponentName> readEnabledPrintServices(Context context) { 38 List<ComponentName> enabledServices = new ArrayList<ComponentName>(); 39 40 String enabledServicesSetting = Settings.Secure.getString(context 41 .getContentResolver(), Settings.Secure.ENABLED_PRINT_SERVICES); 42 if (enabledServicesSetting == null) { 43 return enabledServices; 44 } 45 46 SimpleStringSplitter colonSplitter = new SimpleStringSplitter( 47 ENABLED_PRINT_SERVICES_SEPARATOR); 48 colonSplitter.setString(enabledServicesSetting); 49 50 while (colonSplitter.hasNext()) { 51 String componentNameString = colonSplitter.next(); 52 ComponentName enabledService = ComponentName.unflattenFromString( 53 componentNameString); 54 enabledServices.add(enabledService); 55 } 56 57 return enabledServices; 58 } 59 60 public static void writeEnabledPrintServices(Context context, 61 List<ComponentName> services) { 62 StringBuilder builder = new StringBuilder(); 63 final int serviceCount = services.size(); 64 for (int i = 0; i < serviceCount; i++) { 65 ComponentName service = services.get(i); 66 if (builder.length() > 0) { 67 builder.append(ENABLED_PRINT_SERVICES_SEPARATOR); 68 } 69 builder.append(service.flattenToString()); 70 } 71 Settings.Secure.putString(context.getContentResolver(), 72 Settings.Secure.ENABLED_PRINT_SERVICES, 73 builder.toString()); 74 } 75 } 76
