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Modify KEY_LTE_ENDC_USING_USER_DATA_FOR_RRC_DETECTION_BOOL's description

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Some Carriers define the 5G icon's Idle state in ENDC LTE is no
internet data connection. The config's description is not clear,
so adding more information.
Bug: 193848289
Test: build pass

Change-Id: Ie6e8dcd98743746bac1be78c653fb27f214777f9
This commit is contained in:
SongFerngWang
2021-07-22 23:20:32 +08:00
parent 715ab39149
commit 7ac38075c7
1 changed files with 15 additions and 8 deletions
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23
telephony/java/android/telephony/CarrierConfigManager.java
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@@ -3538,7 +3538,7 @@ public class CarrierConfigManager {
"nr_advanced_capable_pco_id_int";
/**
* This configuration allows the framework to use user data communication to detect RRC state,
* This configuration allows the framework to use user data communication to detect Idle state,
* and this is used on the 5G icon.
*
* There is a new way for for RRC state detection at Android 12. If
@@ -3546,16 +3546,23 @@ public class CarrierConfigManager {
* {@link TelephonyManager#CAPABILITY_PHYSICAL_CHANNEL_CONFIG_1_6_SUPPORTED}) returns true,
* then framework can use PHYSICAL_CHANNEL_CONFIG for RRC state detection. Based on this
* condition, some carriers want to use the legacy behavior that way is using user data
* communication to detect the RRC state. Therefore, this configuration allows the framework
* to use user data communication to detect RRC state.
* communication to detect the Idle state. Therefore, this configuration allows the framework
* to use user data communication to detect Idle state.
*
* The precondition is
* There are 3 situations reflects the carrier define Idle state.
* 1. using PHYSICAL_CHANNEL_CONFIG to detect RRC Idle
* 2. using all of data connections to detect RRC Idle.
* 3. using data communication(consider internet data connection only) to detect data Idle.
*
* How to setup for above 3 cases?
* For below part, we call the condition#1 is device support
* {@link android.telephony.TelephonyManager#isRadioInterfaceCapabilitySupported}(
* {@link TelephonyManager#CAPABILITY_PHYSICAL_CHANNEL_CONFIG_1_6_SUPPORTED}) returns true,
* otherwise this config is not working.
* If this is true, framework uses the user data communication for RRC state detection.
* If this is false, framework uses the PHYSICAL_CHANNEL_CONFIG for RRC state detection.
* {@link TelephonyManager#CAPABILITY_PHYSICAL_CHANNEL_CONFIG_1_6_SUPPORTED}).
* The condition#2 is carrier enable the KEY_LTE_ENDC_USING_USER_DATA_FOR_RRC_DETECTION_BOOL.
*
* For case#1, the condition#1 is true and the condition#2 is false.
* For case#2, the condition#1 is false and the condition#2 is false.
* For case#3, the condition#2 is true.
* @hide
*/
public static final String KEY_LTE_ENDC_USING_USER_DATA_FOR_RRC_DETECTION_BOOL =