Add PhoneStateListener#onPreferredDataSubIdChanged
When SubscriptionManager#SetPreferredData changes preferredDataSub,
SubscriptionController notifies TelephonyRegistry and then notifies
all PhoneStateListeners that listen to the event.
Bug: 115550764
Test: unittest
Change-Id: Icb0b349b9f07a52d7d9c5e8512f731986f1a1fa3
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 98b88cb..32c9ce1 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -213,6 +213,8 @@
private PhoneCapability mPhoneCapability = null;
+ private int mPreferredDataSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+
private final LocalLog mLocalLog = new LocalLog(100);
private PreciseDataConnectionState mPreciseDataConnectionState =
@@ -752,6 +754,13 @@
remove(r.binder);
}
}
+ if ((events & PhoneStateListener.LISTEN_PREFERRED_DATA_SUBID_CHANGE) != 0) {
+ try {
+ r.callback.onPreferredDataSubIdChanged(mPreferredDataSubId);
+ } catch (RemoteException ex) {
+ remove(r.binder);
+ }
+ }
}
}
} else {
@@ -1573,6 +1582,31 @@
}
}
+ public void notifyPreferredDataSubIdChanged(int preferredSubId) {
+ if (!checkNotifyPermission("notifyPreferredDataSubIdChanged()")) {
+ return;
+ }
+
+ if (VDBG) {
+ log("notifyPreferredDataSubIdChanged: preferredSubId=" + preferredSubId);
+ }
+
+ synchronized (mRecords) {
+ mPreferredDataSubId = preferredSubId;
+
+ for (Record r : mRecords) {
+ if (r.matchPhoneStateListenerEvent(
+ PhoneStateListener.LISTEN_PREFERRED_DATA_SUBID_CHANGE)) {
+ try {
+ r.callback.onPreferredDataSubIdChanged(preferredSubId);
+ } catch (RemoteException ex) {
+ mRemoveList.add(r.binder);
+ }
+ }
+ }
+ handleRemoveListLocked();
+ }
+ }
@Override
public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
@@ -1610,6 +1644,7 @@
pw.println("mBackgroundCallState=" + mBackgroundCallState);
pw.println("mVoLteServiceState=" + mVoLteServiceState);
pw.println("mPhoneCapability=" + mPhoneCapability);
+ pw.println("mPreferredDataSubId=" + mPreferredDataSubId);
pw.decreaseIndent();
diff --git a/telephony/java/android/telephony/PhoneStateListener.java b/telephony/java/android/telephony/PhoneStateListener.java
index 498be96..3ea018af 100644
--- a/telephony/java/android/telephony/PhoneStateListener.java
+++ b/telephony/java/android/telephony/PhoneStateListener.java
@@ -281,6 +281,16 @@
*/
public static final int LISTEN_PHONE_CAPABILITY_CHANGE = 0x00200000;
+ /**
+ * Listen for changes to preferred data subId.
+ * See {@link SubscriptionManager#setPreferredData(int)}
+ * for more details.
+ *
+ * @see #onPreferredDataSubIdChanged
+ * @hide
+ */
+ public static final int LISTEN_PREFERRED_DATA_SUBID_CHANGE = 0x00400000;
+
/*
* Subscription used to listen to the phone state changes
* @hide
@@ -407,6 +417,9 @@
PhoneStateListener.this.onPhoneCapabilityChanged(
(PhoneCapability) msg.obj);
break;
+ case LISTEN_PREFERRED_DATA_SUBID_CHANGE:
+ PhoneStateListener.this.onPreferredDataSubIdChanged((int) msg.obj);
+ break;
}
}
};
@@ -647,6 +660,18 @@
}
/**
+ * Callback invoked when preferred data subId changes. Requires
+ * the READ_PRIVILEGED_PHONE_STATE permission.
+ * @param subId the new preferred data subId. If it's INVALID_SUBSCRIPTION_ID,
+ * it means it's unset and defaultDataSub is used to determine which
+ * modem is preferred.
+ * @hide
+ */
+ public void onPreferredDataSubIdChanged(int subId) {
+ // default implementation empty
+ }
+
+ /**
* Callback invoked when telephony has received notice from a carrier
* app that a network action that could result in connectivity loss
* has been requested by an app using
@@ -777,6 +802,11 @@
public void onPhoneCapabilityChanged(PhoneCapability capability) {
send(LISTEN_PHONE_CAPABILITY_CHANGE, 0, 0, capability);
}
+
+ public void onPreferredDataSubIdChanged(int subId) {
+ send(LISTEN_PREFERRED_DATA_SUBID_CHANGE, 0, 0, subId);
+ }
+
}
/**
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index d4da589..4199d18 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -2121,10 +2121,11 @@
* 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.
+ * by AlternativeNetworkAccessService or carrier apps to switch primary and CBRS
+ * subscription dynamically in multi-SIM devices.
*
- * @param slotId which slot is preferred to for cellular data.
+ * @param slotId which slot is preferred to for cellular data. If it's INVALID, it means
+ * it's unset and defaultDataSubId is used to determine which modem is preferred.
* @hide
*
*/
diff --git a/telephony/java/com/android/internal/telephony/IPhoneStateListener.aidl b/telephony/java/com/android/internal/telephony/IPhoneStateListener.aidl
index 1ebb697..38a1bc7 100644
--- a/telephony/java/com/android/internal/telephony/IPhoneStateListener.aidl
+++ b/telephony/java/com/android/internal/telephony/IPhoneStateListener.aidl
@@ -52,5 +52,6 @@
void onCarrierNetworkChange(in boolean active);
void onUserMobileDataStateChanged(in boolean enabled);
void onPhoneCapabilityChanged(in PhoneCapability capability);
+ void onPreferredDataSubIdChanged(in int subId);
}
diff --git a/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl b/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
index 43d56b3..c03065c 100644
--- a/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
@@ -79,4 +79,5 @@
void notifyCarrierNetworkChange(in boolean active);
void notifyUserMobileDataStateChangedForPhoneId(in int phoneId, in int subId, in boolean state);
void notifyPhoneCapabilityChanged(in PhoneCapability capability);
+ void notifyPreferredDataSubIdChanged(int preferredSubId);
}