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To read the group UUID, the calling app either needs carrier privileges or the READ_PHONE_STATE permission and access to device identifiers.

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If the app has only the READ_PHONE_STATE permission, it can no longer read the group UUID.
When SubscriptionManager#getSubscriptionsInGroup is called, If the calling app has carrier permission or READ_PHONE_STATE permission and access to device identifiers, then returns a list.
If not, it returns an empty list.

Bug: 213902861
Test: atest SubscriptionManagerTest
Test: atest SubscriptionControllerTest
Test: manual (b/213902861#comment54)
Change-Id: I4e764b1a5babfcacf675f6e83d2b1014ec570c1e
Merged-In: I4e764b1a5babfcacf675f6e83d2b1014ec570c1e
This commit is contained in:
hyosun
2022-08-29 08:02:04 +00:00
committed by Hyosun Kim
parent f2826d867b
commit 6f8675f324
1 changed files with 12 additions and 2 deletions
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14
telephony/java/android/telephony/SubscriptionManager.java
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@@ -3426,10 +3426,20 @@ public class SubscriptionManager {
* Get subscriptionInfo list of subscriptions that are in the same group of given subId.
* See {@link #createSubscriptionGroup(List)} for more details.
*
* Caller will either have {@link android.Manifest.permission#READ_PHONE_STATE}
* permission or had carrier privilege permission on the subscription.
* Caller must have {@link android.Manifest.permission#READ_PHONE_STATE}
* or carrier privilege permission on the subscription.
* {@link TelephonyManager#hasCarrierPrivileges()}
*
* <p>Starting with API level 33, this method will return an empty List if the caller does
* not have access to device identifiers.
* This method can be invoked if one of the following requirements is met:
* <ul>
* <li>If the app has carrier privilege permission.
* {@link TelephonyManager#hasCarrierPrivileges()}
* <li>If the app has {@link android.Manifest.permission#READ_PHONE_STATE} permission and
* access to device identifiers.
* </ul>
*
* @throws IllegalStateException if Telephony service is in bad state.
* @throws SecurityException if the caller doesn't meet the requirements
* outlined above.