Supported data enabled override for different scenarios

Added override rules support for always allowing mms and
internet data during voice call.

Test: Manual + unit tests
Bug: 132113695
Change-Id: I2266d7f428901ccbba6bf538a7c7696e6566b96c

telephony/java/android/telephony/SubscriptionManager.java

@@ -302,10 +302,26 @@ public class SubscriptionManager {
      * subscription.
      *
      * Default value is 0.
+     *
+     * @deprecated Replaced by {@link #DATA_ENABLED_OVERRIDE_RULES}
+     * @hide
      */
-    /** @hide */
+    @Deprecated
     public static final String WHITE_LISTED_APN_DATA = "white_listed_apn_data";
 
+    /**
+     * TelephonyProvider column name data_enabled_override_rules.
+     * It's a list of rules for overriding data enabled settings. The syntax is
+     * For example, "mms=nonDefault" indicates enabling data for mms in non-default subscription.
+     * "default=nonDefault&inVoiceCall" indicates enabling data for internet in non-default
+     * subscription and while is in voice call.
+     *
+     * Default value is empty string.
+     *
+     * @hide
+     */
+    public static final String DATA_ENABLED_OVERRIDE_RULES = "data_enabled_override_rules";
+
     /**
      * This constant is to designate a subscription as a Local-SIM Subscription.
      * <p> A Local-SIM can be a physical SIM inserted into a sim-slot in the device, or eSIM on the

telephony/java/android/telephony/TelephonyManager.java

@@ -11141,4 +11141,52 @@ public class TelephonyManager {
         }
         return true;
     }
+
+    /**
+     * Set allowing mobile data during voice call.
+     *
+     * @param allow {@code true} if allowing using data during voice call, {@code false} if
+     * disallowed
+     *
+     * @return {@code false} if the setting is changed.
+     *
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
+    public boolean setDataAllowedDuringVoiceCall(boolean allow) {
+        try {
+            ITelephony service = getITelephony();
+            if (service != null) {
+                return service.setDataAllowedDuringVoiceCall(getSubId(), allow);
+            }
+        } catch (RemoteException ex) {
+            if (!isSystemProcess()) {
+                ex.rethrowAsRuntimeException();
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Check whether data is allowed during voice call. Note this is for dual sim device that
+     * data might be disabled on non-default data subscription but explicitly turned on by settings.
+     *
+     * @return {@code true} if data is allowed during voice call.
+     *
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
+    public boolean isDataAllowedInVoiceCall() {
+        try {
+            ITelephony service = getITelephony();
+            if (service != null) {
+                return service.isDataAllowedInVoiceCall(getSubId());
+            }
+        } catch (RemoteException ex) {
+            if (!isSystemProcess()) {
+                ex.rethrowAsRuntimeException();
+            }
+        }
+        return false;
+    }
 }

telephony/java/android/telephony/data/ApnSetting.java

@@ -1310,6 +1310,9 @@ public class ApnSetting implements Parcelable {
      * @hide
      */
     public static String getApnTypeString(int apnType) {
+        if (apnType == TYPE_ALL) {
+            return "*";
+        }
         String apnTypeString = APN_TYPE_INT_MAP.get(apnType);
         return apnTypeString == null ? "Unknown" : apnTypeString;
     }

telephony/java/com/android/internal/telephony/DctConstants.java

@@ -94,7 +94,7 @@ public class DctConstants {
     public static final int EVENT_ROAMING_SETTING_CHANGE = BASE + 48;
     public static final int EVENT_DATA_SERVICE_BINDING_CHANGED = BASE + 49;
     public static final int EVENT_DEVICE_PROVISIONED_CHANGE = BASE + 50;
-    public static final int EVENT_APN_WHITE_LIST_CHANGE = BASE + 51;
+    public static final int EVENT_DATA_ENABLED_OVERRIDE_RULES_CHANGED = BASE + 51;
 
     /***** Constants *****/
 

telephony/java/com/android/internal/telephony/ITelephony.aidl

@@ -1996,4 +1996,15 @@ interface ITelephony {
      * Returns the MMS user agent profile URL.
      */
     String getMmsUAProfUrl(int subId);
+
+    /**
+     * Set allowing mobile data during voice call.
+     */
+    boolean setDataAllowedDuringVoiceCall(int subId, boolean allow);
+
+    /**
+     * Check whether data is allowed during voice call. Note this is for dual sim device that
+     * data might be disabled on non-default data subscription but explicitly turned on by settings.
+     */
+    boolean isDataAllowedInVoiceCall(int subId);
 }