Settings: respect telephony config for profiles override

Some networks specifically disallow 2G to be selected as the preferred
setting. We should respect that.

Change-Id: Ic4414ed78c9f38b5c11969300dc858725ee3b2c6
Signed-off-by: Roman Birg <roman@cyngn.com>

1 files changed, 35 insertions, 5 deletions

diff --git a/src/com/android/settings/profiles/SetupActionsFragment.java b/src/com/android/settings/profiles/SetupActionsFragment.java
index 7a433b4..0402a7d 100644
--- a/src/com/android/settings/profiles/SetupActionsFragment.java
+++ b/src/com/android/settings/profiles/SetupActionsFragment.java
@@ -16,6 +16,7 @@
 package com.android.settings.profiles;
 
 import android.app.Activity;
+import android.content.pm.PackageManager;
 import com.android.internal.logging.MetricsLogger;
 import cyanogenmod.profiles.AirplaneModeSettings;
 import android.app.AlertDialog;
@@ -803,14 +804,43 @@ public class SetupActionsFragment extends SettingsPreferenceFragment
             throw new UnsupportedOperationException("connection setting cannot be null");
         }
         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        boolean allow2g = true;
+
+        // config_prefer_2g in p/s/Telephony
+        // if false, 2g is not available.
+        try {
+            final Context telephonyContext = getActivity()
+                    .createPackageContext("com.android.phone", 0);
+            if (telephonyContext != null) {
+                int identifier = telephonyContext.getResources().getIdentifier("config_prefer_2g",
+                        "bool", telephonyContext.getPackageName());
+                if (identifier > 0) {
+                    allow2g = telephonyContext.getResources().getBoolean(identifier);
+                    android.util.Log.e("ro", "allow2g: " + allow2g);
+                }
+            }
+        } catch (PackageManager.NameNotFoundException e) {
+            // hmmm....
+        }
+
         final String[] connectionNames =
-                getResources().getStringArray(R.array.profile_networkmode_entries_4g);
+                getResources().getStringArray(allow2g ? R.array.profile_networkmode_entries_4g
+                        : R.array.profile_networkmode_entries_no_2g);
+        final String[] connectionValues =
+                getResources().getStringArray(allow2g ? R.array.profile_networkmode_values_4g
+                        : R.array.profile_networkmode_values_no_2g);
 
-        int defaultIndex = ConnectionOverrideItem.CM_MODE_UNCHANGED; // no action
+        int defaultIndex = connectionValues.length - 1; // no action is the last
         if (setting.isOverride()) {
-            defaultIndex = setting.getValue();
+            // need to match the value
+            final int value = setting.getValue();
+            for (int i = 0; i < connectionValues.length; i++) {
+                if (Integer.parseInt(connectionValues[i]) == value) {
+                    defaultIndex = i;
+                    break;
+                }
+            }
         }
-
         builder.setTitle(ConnectionOverrideItem.getConnectionTitle(setting.getConnectionId()));
         builder.setSingleChoiceItems(connectionNames, defaultIndex,
                 new DialogInterface.OnClickListener() {
@@ -822,7 +852,7 @@ public class SetupActionsFragment extends SettingsPreferenceFragment
                                 break;
                             default:
                                 setting.setOverride(true);
-                                setting.setValue(item);
+                                setting.setValue(Integer.parseInt(connectionValues[item]));
                         }
                         mProfile.setConnectionSettings(setting);
                         mAdapter.notifyDataSetChanged();