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Update docs for TelephonyManager#getServiceState

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Add a link to the alternative way of obtaining service state through
PhoneStateListener

Fixes: 171704709
Test: docs only
Change-Id: Iee5d8a68b93ecc4029ae21ccac52dc93d56dc253
This commit is contained in:
Hall Liu
2020-10-26 13:21:11 -07:00
parent 3a14c6bdcc
commit f0a61676ef
1 changed files with 3 additions and 0 deletions
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3
telephony/java/android/telephony/TelephonyManager.java
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@@ -10319,6 +10319,9 @@ public class TelephonyManager {
* <p>If this object has been created with {@link #createForSubscriptionId}, applies to the
* given subId. Otherwise, applies to {@link SubscriptionManager#getDefaultSubscriptionId()}
*
* If you want continuous updates of service state info, register a {@link PhoneStateListener}
* via {@link #listen} with the {@link PhoneStateListener#LISTEN_SERVICE_STATE} event.
*
* <p>Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
* or that the calling app has carrier privileges (see {@link #hasCarrierPrivileges})
* and {@link android.Manifest.permission#ACCESS_COARSE_LOCATION}.