commit 16fcd3dcff4026fe6239478a5901fa121f2439e7
author Xiangyu/Malcolm Chen <refuhoo@google.com> Tue Oct 09 18:18:11 2018 +0000
committer Gerrit Code Review <noreply-gerritcodereview@google.com> Tue Oct 09 18:18:11 2018 +0000
tree e9765975dd6b4976e7faf8091fb9925c1b378985
parent b7c0727c156f710266f33092d3b49c6781df0b6d
parent 8cf1b78693664a637ffd78544d4331361fddee8a

Merge "More descriptions on SubscriptionController#setPreferredData"

telephony/java/android/telephony/SubscriptionManager.java

diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index ad16901..7a99c71 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -2159,7 +2159,12 @@
 
     /**
      * Set preferred default data.
-     * Set on which slot default data will be on.
+     * Set on which slot most cellular data will be on.
+     * It's also usually what we set up internet connection on.
+     *
+     * PreferredData overwrites user setting of default data subscription. And it's used
+     * by ANAS or carrier apps to switch primary and CBRS subscription dynamically in multi-SIM
+     * devices.
      *
      * @param slotId which slot is preferred to for cellular data.
      * @hide