From 1485d5944e27d4484a80b70fe0d33bdb0c5495e8 Mon Sep 17 00:00:00 2001
From: Eric House <xwords@eehouse.org>
Date: Sat, 6 Jul 2019 19:52:19 -0700
Subject: [PATCH] hide show-fcm-receives pref when FCM not built in

I just spent an hour trying to understand why fcm wasn't working against
the f-droid build. This should make that less likely to happen again.
---
 .../src/main/java/org/eehouse/android/xw4/PrefsDelegate.java  | 4 ++++
 xwords4/android/app/src/main/res/xml/xwprefs.xml              | 1 +
 2 files changed, 5 insertions(+)

diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java
index a9a8dcdf5..ce85ac314 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java
@@ -383,6 +383,10 @@ public class PrefsDelegate extends DelegateBase
         if ( ! BuildConfig.WIDIR_ENABLED ) {
             hideOne( R.string.key_enable_p2p, R.string.key_network_behavior );
         }
+
+        if ( null == FBMService.getFCMDevID( m_activity ) ) {
+            hideOne( R.string.key_show_fcm, R.string.pref_group_relay_title );
+        }
     }
 
     public static void launch( Context context )
diff --git a/xwords4/android/app/src/main/res/xml/xwprefs.xml b/xwords4/android/app/src/main/res/xml/xwprefs.xml
index 3440b09db..ed84bf7bd 100644
--- a/xwords4/android/app/src/main/res/xml/xwprefs.xml
+++ b/xwords4/android/app/src/main/res/xml/xwprefs.xml
@@ -398,6 +398,7 @@
 
     <PreferenceScreen android:title="@string/pref_group_relay_title"
                       android:summary="@string/pref_group_relay_summary"
+                      android:key="@string/pref_group_relay_title"
                       >
       <org.eehouse.android.xw4.XWListPreference
           android:key="@string/key_relay_poll"