From 8aa54aa2882c82be9ee2ece8754092f4b40ef120 Mon Sep 17 00:00:00 2001
From: Jayachandran C <jayachandranc@google.com>
Date: Thu, 21 Nov 2019 11:36:37 -0800
Subject: [PATCH] Remove usage of TelecomManager.from() hidden API

Bug: 140908357
Test: Build
Change-Id: I6e230e42cbecd7d7e236e0a2bfe3ea6c3d4c54c3
---
 telephony/java/android/telephony/TelephonyManager.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 55212cd969f0a..b655665772a56 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -8806,7 +8806,10 @@ public class TelephonyManager {
     @Deprecated
     public boolean isTtyModeSupported() {
         try {
-            TelecomManager telecomManager = TelecomManager.from(mContext);
+            TelecomManager telecomManager = null;
+            if (mContext != null) {
+                telecomManager = mContext.getSystemService(TelecomManager.class);
+            }
             if (telecomManager != null) {
                 return telecomManager.isTtySupported();
             }