commit ef0a39aa06fb3496b63c743a94a0339418b4f720
author Hall Liu <hallliu@google.com> Tue Jul 16 15:45:53 2019 -0700
committer Hall Liu <hallliu@google.com> Tue Jul 16 15:46:57 2019 -0700
tree 322750556c286ff31293a460b1934695ec941e85
parent 628cd1a629761f5a469bd661f1ff454c68b4f4c9

Add text to RTT setting when roaming

Add text to the RTT setting summary when the phone is roaming in order
to inform users that RTT is not available when the phone is roaming.

Fixes: 137281973
Test: manual
Change-Id: Ie6e4ee1461a5453993b291601f7a8e7bfac8eee0

res/values/strings.xml

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 1b2e99a..25018a3 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1249,6 +1249,8 @@
        <br><br> - RTT calls are saved as a message transcript
        &lt;br> - RTT is not available for video calls</string>
 
+    <string name="no_rtt_when_roaming">Note: RTT is not available while roaming</string>
+
     <!-- Service option entries.  -->
     <string-array name="tty_mode_entries">
         <item>TTY Off</item>

src/com/android/phone/settings/AccessibilitySettingsFragment.java

diff --git a/src/com/android/phone/settings/AccessibilitySettingsFragment.java b/src/com/android/phone/settings/AccessibilitySettingsFragment.java
index d540fba..40dfc72 100644
--- a/src/com/android/phone/settings/AccessibilitySettingsFragment.java
+++ b/src/com/android/phone/settings/AccessibilitySettingsFragment.java
@@ -28,6 +28,7 @@
 import android.telephony.PhoneStateListener;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
+import android.text.TextUtils;
 import android.util.Log;
 
 import com.android.ims.ImsManager;
@@ -113,6 +114,11 @@
                 .isRttSupported(SubscriptionManager.getDefaultVoiceSubscriptionId())) {
             // TODO: this is going to be a on/off switch for now. Ask UX about how to integrate
             // this settings with TTY
+            if (TelephonyManager.getDefault().isNetworkRoaming(
+                    SubscriptionManager.getDefaultVoiceSubscriptionId())) {
+                mButtonRtt.setSummary(TextUtils.concat(getText(R.string.rtt_mode_summary), "\n",
+                        getText(R.string.no_rtt_when_roaming)));
+            }
             boolean rttOn = Settings.Secure.getInt(
                     mContext.getContentResolver(), Settings.Secure.RTT_CALLING_MODE, 0) != 0;
             mButtonRtt.setChecked(rttOn);