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/*
* Copyright (C) 2017 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
*/
package com.android.dialer.preferredsim;
import android.content.ComponentName;
import android.content.Context;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.telecom.PhoneAccount;
import android.telecom.PhoneAccountHandle;
import android.telecom.TelecomManager;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import com.android.dialer.common.LogUtil;
import com.android.dialer.configprovider.ConfigProviderComponent;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableSet;
/**
* Utilities for looking up and validating preferred {@link PhoneAccountHandle}. Contacts should
* follow the same logic.
*/
public class PreferredAccountUtil {
/**
* Validates {@code componentNameString} and {@code idString} maps to SIM that is present on the
* device.
*/
@NonNull
public static Optional<PhoneAccountHandle> getValidPhoneAccount(
@NonNull Context context, @Nullable String componentNameString, @Nullable String idString) {
if (TextUtils.isEmpty(componentNameString) || TextUtils.isEmpty(idString)) {
LogUtil.i("PreferredAccountUtil.getValidPhoneAccount", "empty componentName or id");
return Optional.absent();
}
ComponentName componentName = ComponentName.unflattenFromString(componentNameString);
if (componentName == null) {
LogUtil.e("PreferredAccountUtil.getValidPhoneAccount", "cannot parse component name");
return Optional.absent();
}
PhoneAccountHandle phoneAccountHandle = new PhoneAccountHandle(componentName, idString);
if (isPhoneAccountValid(context, phoneAccountHandle)) {
return Optional.of(phoneAccountHandle);
}
return Optional.absent();
}
public static boolean isPhoneAccountValid(
Context context, PhoneAccountHandle phoneAccountHandle) {
if (VERSION.SDK_INT >= VERSION_CODES.O) {
return context
.getSystemService(TelephonyManager.class)
.createForPhoneAccountHandle(phoneAccountHandle)
!= null;
}
PhoneAccount phoneAccount =
context.getSystemService(TelecomManager.class).getPhoneAccount(phoneAccountHandle);
if (phoneAccount == null) {
LogUtil.e("PreferredAccountUtil.isPhoneAccountValid", "invalid phone account");
return false;
}
if (!phoneAccount.isEnabled()) {
LogUtil.e("PreferredAccountUtil.isPhoneAccountValid", "disabled phone account");
return false;
}
for (SubscriptionInfo info :
SubscriptionManager.from(context).getActiveSubscriptionInfoList()) {
if (phoneAccountHandle.getId().startsWith(info.getIccId())) {
LogUtil.i("PreferredAccountUtil.isPhoneAccountValid", "sim found");
return true;
}
}
return false;
}
/**
* Return a set of {@link android.accounts.Account#type} that is known to have writable contacts.
* This is a light weight implementation of {@link
* com.android.contacts.common.model.AccountTypeManager#getAccountTypes(boolean)}. External
* accounts are not supported.
*/
public static ImmutableSet<String> getValidAccountTypes(Context context) {
return ImmutableSet.copyOf(
ConfigProviderComponent.get(context)
.getConfigProvider()
.getString(
"preferred_sim_valid_account_types",
"com.google;"
+ "com.osp.app.signin;"
+ "com.android.exchange;"
+ "com.google.android.exchange;"
+ "com.google.android.gm.exchange")
.split(";"));
}
}
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