From f12ed60eca999e9a13351eae4a9a4a69ad46201d Mon Sep 17 00:00:00 2001
From: Zongheng Wang <wangzongheng@google.com>
Date: Thu, 9 Jan 2020 17:57:30 +0800
Subject: Create a new API to decode Sms PDU

Created createFromNativeSmsSubmitPdu() to avoid usage of hidden API createFromEfRecord().

Bug: 140562205
Test: Compile
Change-Id: Ia6dda310a29b6969c26f85f98d2264b476fbf3f0
---
 api/system-current.txt                           |  1 +
 telephony/java/android/telephony/SmsMessage.java | 28 ++++++++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/api/system-current.txt b/api/system-current.txt
index 9142cfe5ea60..f6191c3290ef 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9123,6 +9123,7 @@ package android.telephony {
   }
 
   public class SmsMessage {
+    method @Nullable public static android.telephony.SmsMessage createFromNativeSmsSubmitPdu(@NonNull byte[], boolean);
     method @NonNull @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public static byte[] getSubmitPduEncodedMessage(boolean, @NonNull String, @NonNull String, int, int, int, int, int, int);
   }
 
diff --git a/telephony/java/android/telephony/SmsMessage.java b/telephony/java/android/telephony/SmsMessage.java
index b708b3ffbdd4..30a61c31ab81 100644
--- a/telephony/java/android/telephony/SmsMessage.java
+++ b/telephony/java/android/telephony/SmsMessage.java
@@ -331,6 +331,34 @@ public class SmsMessage {
         return wrappedMessage != null ? new SmsMessage(wrappedMessage) : null;
     }
 
+    /**
+     * Create an SmsMessage from a native SMS-Submit PDU, specified by Bluetooth Message Access
+     * Profile Specification v1.4.2 5.8.
+     * This is used by Bluetooth MAP profile to decode message when sending non UTF-8 SMS messages.
+     *
+     * @param data Message data.
+     * @param isCdma Indicates weather the type of the SMS is CDMA.
+     * @return An SmsMessage representing the message.
+     *
+     * @hide
+     */
+    @SystemApi
+    @Nullable
+    public static SmsMessage createFromNativeSmsSubmitPdu(@NonNull byte[] data, boolean isCdma) {
+        SmsMessageBase wrappedMessage;
+
+        if (isCdma) {
+            wrappedMessage = com.android.internal.telephony.cdma.SmsMessage.createFromEfRecord(
+                    0, data);
+        } else {
+            // Bluetooth uses its own method to decode GSM PDU so this part is not called.
+            wrappedMessage = com.android.internal.telephony.gsm.SmsMessage.createFromEfRecord(
+                    0, data);
+        }
+
+        return wrappedMessage != null ? new SmsMessage(wrappedMessage) : null;
+    }
+
     /**
      * Get the TP-Layer-Length for the given SMS-SUBMIT PDU Basically, the
      * length in bytes (not hex chars) less the SMSC header
-- 
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