From f9c63a4aa80bd9b4aab7c709d73fded90076de9d Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Tue, 18 Jul 2017 22:46:21 -0400
Subject: [PATCH] LTE only option

This is a modified version of thestinger's implementation in CopperheadOS from a time when the repo was/is still licensed under Apache2
https://github.com/CopperheadOS/platform_packages_services_Telephony/commit/567b8daca2d5d570e4eeecd548aa03c606ee9c18

Change-Id: Ic359205d2f353981589b4374a98383607e2f518e
---
 res/values/strings.xml                           | 16 ++++++++++++++++
 src/com/android/phone/MobileNetworkSettings.java |  8 +++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4ec44534..17f2ecb7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -423,6 +423,8 @@
     <string name="preferred_network_mode_cdma_evdo_gsm_wcdma_summary">Preferred network mode: CDMA/EvDo/GSM/WCDMA</string>
     <!-- Mobile network settings, summary for preferred network mode LTE [CHAR LIMIT=100] -->
     <string name="preferred_network_mode_lte_summary">Preferred network mode: LTE </string>
+    <!-- Mobile network settings, summary for preferred network mode LTE only [CHAR LIMIT=100] -->
+    <string name="preferred_network_mode_lte_only_summary">Preferred network mode: LTE only</string>
     <!-- Mobile network settings, summary for preferred network mode GSM/WCDMA/LTE [CHAR LIMIT=100] -->
     <string name="preferred_network_mode_lte_gsm_wcdma_summary">Preferred network mode: GSM/WCDMA/LTE</string>
     <!-- Mobile network settings, summary for preferred network mode CDMA+LTE/EVDO[CHAR LIMIT=100] -->
@@ -681,7 +683,9 @@
     <string name="multi_category_disable">Multi-category disabled</string>
 
     <string name="network_lte">LTE (recommended)</string>
+    <string name="network_lte_only">LTE only</string>
     <string name="network_4G">4G (recommended)</string>
+    <string name="network_4G_only">4G only</string>
     <string name="network_3G" translatable="false">3G</string>
     <string name="network_2G" translatable="false">2G</string>
     <string name="network_1x" translatable="false">1x</string>
@@ -689,14 +693,17 @@
 
     <string-array name="enabled_networks_except_gsm_choices" translatable="false">
         <item>@string/network_lte</item>
+        <item>@string/network_lte_only</item>
         <item>@string/network_3G</item>
     </string-array>
     <string-array name="enabled_networks_except_gsm_4g_choices" translatable="false">
+        <item>@string/network_4G_only</item>
         <item>@string/network_4G</item>
         <item>@string/network_3G</item>
     </string-array>
     <string-array name="enabled_networks_except_gsm_values" translatable="false">
         <item>"9"</item>
+        <item>"11"</item>
         <item>"0"</item>
     </string-array>
 
@@ -718,28 +725,33 @@
 
     <string-array name="enabled_networks_choices" translatable="false">
         <item>@string/network_lte</item>
+        <item>@string/network_lte_only</item>
         <item>@string/network_3G</item>
         <item>@string/network_2G</item>
     </string-array>
     <string-array name="enabled_networks_4g_choices" translatable="false">
         <item>@string/network_4G</item>
+        <item>@string/network_4G_only</item>
         <item>@string/network_3G</item>
         <item>@string/network_2G</item>
     </string-array>
     <string-array name="enabled_networks_values" translatable="false">
         <item>"9"</item>
+        <item>"11"</item>
         <item>"0"</item>
         <item>"1"</item>
     </string-array>
 
     <string-array name="enabled_networks_cdma_choices" translatable="false">
         <item>@string/network_lte</item>
+        <item>@string/network_lte_only</item>
         <item>@string/network_3G</item>
         <item>@string/network_1x</item>
         <item>@string/network_global</item>
     </string-array>
     <string-array name="enabled_networks_cdma_values" translatable="false">
         <item>"8"</item>
+        <item>"11"</item>
         <item>"4"</item>
         <item>"5"</item>
         <item>"10"</item>
@@ -756,20 +768,24 @@
 
     <string-array name="enabled_networks_cdma_only_lte_choices" translatable="false">
         <item>@string/network_lte</item>
+        <item>@string/network_lte_only</item>
         <item>@string/network_global</item>
     </string-array>
     <string-array name="enabled_networks_cdma_only_lte_values" translatable="false">
         <item>"8"</item>
+        <item>"11"</item>
         <item>"10"</item>
     </string-array>
 
     <string-array name="enabled_networks_tdscdma_choices" translatable="false">
         <item>@string/network_lte</item>
+        <item>@string/network_lte_only</item>
         <item>@string/network_3G</item>
         <item>@string/network_2G</item>
     </string-array>
     <string-array name="enabled_networks_tdscdma_values" translatable="false">
         <item>"22"</item>
+        <item>"11"</item>
         <item>"18"</item>
         <item>"1"</item>
     </string-array>
diff --git a/src/com/android/phone/MobileNetworkSettings.java b/src/com/android/phone/MobileNetworkSettings.java
index 71feff8b..bc62d147 100644
--- a/src/com/android/phone/MobileNetworkSettings.java
+++ b/src/com/android/phone/MobileNetworkSettings.java
@@ -819,6 +819,7 @@ public class MobileNetworkSettings extends PreferenceActivity
             switch (buttonNetworkMode) {
                 case Phone.NT_MODE_WCDMA_PREF:
                 case Phone.NT_MODE_GSM_ONLY:
+                case Phone.NT_MODE_LTE_ONLY:
                 case Phone.NT_MODE_LTE_GSM_WCDMA:
                 case Phone.NT_MODE_LTE_CDMA_EVDO_GSM_WCDMA:
                 case Phone.NT_MODE_CDMA:
@@ -1007,7 +1008,7 @@ public class MobileNetworkSettings extends PreferenceActivity
                 break;
             case Phone.NT_MODE_LTE_ONLY:
                 mButtonPreferredNetworkMode.setSummary(
-                        R.string.preferred_network_mode_lte_summary);
+                        R.string.preferred_network_mode_lte_only_summary);
                 break;
             case Phone.NT_MODE_LTE_TDSCDMA_GSM:
                 mButtonPreferredNetworkMode.setSummary(
@@ -1108,6 +1109,11 @@ public class MobileNetworkSettings extends PreferenceActivity
                     break;
                 }
             case Phone.NT_MODE_LTE_ONLY:
+		mButtonEnabledNetworks.setValue(
+                            Integer.toString(Phone.NT_MODE_LTE_ONLY));
+		mButtonEnabledNetworks.setSummary((mShow4GForLTE == true)
+		            ? R.string.network_4G_only : R.string.network_lte_only);
+		break;
             case Phone.NT_MODE_LTE_WCDMA:
                 if (!mIsGlobalCdma) {
                     mButtonEnabledNetworks.setValue(
-- 
2.13.3