Add one new method is3gpp

Bug: 262735040
Test: atest android.telephony.cts.VisualVoicemailServiceTest
      Verified with live test that voice mail is received

Change-Id: Idae7ad9580f3c98e5f253e9e0627f68f5f87967b

1 files changed, 9 insertions, 0 deletions

diff --git a/telephony/java/android/telephony/SmsMessage.java b/telephony/java/android/telephony/SmsMessage.java
index 95d513682997..845449ec556a 100644
--- a/telephony/java/android/telephony/SmsMessage.java
+++ b/telephony/java/android/telephony/SmsMessage.java
@@ -1031,6 +1031,15 @@ public class SmsMessage {
     }
 
     /**
+     * Check if format of the message is 3GPP.
+     *
+     * @hide
+     */
+    public boolean is3gpp() {
+        return (mWrappedSmsMessage instanceof com.android.internal.telephony.gsm.SmsMessage);
+    }
+
+    /**
      * Determines whether or not to use CDMA format for MO SMS.
      * If SMS over IMS is supported, then format is based on IMS SMS format,
      * otherwise format is based on current phone type.