SmsMessage.java_080ef0ef07638afeb4fe20d1a4013046.patch

--- /home/haohuang/backup/aosp10-QP1A.190711.019/frameworks/base/telephony/java/com/android/internal/telephony/gsm/SmsMessage.java	2023-02-17 21:57:24.201267865 +0000
+++ /home/haohuang/aosp10-QP1A.190711.019/frameworks/base/telephony/java/com/android/internal/telephony/gsm/SmsMessage.java	2023-02-17 18:50:14.912849661 +0000
@@ -935,7 +935,7 @@
      * Returns the TP-Data-Coding-Scheme byte, for acknowledgement of SMS-PP download messages.
      * @return the TP-DCS field of the SMS header
      */
-    int getDataCodingScheme() {
+    public int getDataCodingScheme() {
         return mDataCodingScheme;
     }
 
@@ -1468,6 +1468,10 @@
                 (mProtocolIdentifier == 0x7f || mProtocolIdentifier == 0x7c);
     }
 
+    boolean isClassZero() {
+        return messageClass == MessageClass.CLASS_0;
+    }
+
     public int getNumOfVoicemails() {
         /*
          * Order of priority if multiple indications are present is 1.UDH,