Java tutorial
//package com.java2s; /* * Copyright (C) 2013 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License */ import android.content.Context; import android.telecom.PhoneAccount; import android.telecom.PhoneAccountHandle; import android.telecom.TelecomManager; public class Main { /** * Extract account label from PhoneAccount object. */ public static String getAccountLabel(Context context, PhoneAccountHandle accountHandle) { PhoneAccount account = getAccountOrNull(context, accountHandle); if (account != null && account.getLabel() != null) { return account.getLabel().toString(); } return null; } /** * Retrieve the account metadata, but if the account does not exist or the device has only a * single registered and enabled account, return null. */ static PhoneAccount getAccountOrNull(Context context, PhoneAccountHandle accountHandle) { TelecomManager telecomManager = (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE); final PhoneAccount account = telecomManager.getPhoneAccount(accountHandle); if (telecomManager.getCallCapablePhoneAccounts().size() <= 1) { return null; } return account; } }