OmniControl: ls weather visibility must check if OmniJaws is installed

Change-Id: I9ebb72dd0ad790f231ac954310bf6157feb1ac06
diff --git a/app/src/main/java/org/omnirom/control/LockscreenSettingsFragment.kt b/app/src/main/java/org/omnirom/control/LockscreenSettingsFragment.kt
index 006da54..e2ff4fc 100644
--- a/app/src/main/java/org/omnirom/control/LockscreenSettingsFragment.kt
+++ b/app/src/main/java/org/omnirom/control/LockscreenSettingsFragment.kt
@@ -50,6 +50,11 @@
             aodOnCharging.isVisible =
                 resources.getBoolean(R.bool.config_show_battery_options)
         }
+
+        val weatherOnLockscreen: Preference? = findPreference("lockscreen_weather_enabled")
+        if (weatherOnLockscreen != null) {
+            weatherOnLockscreen.isVisible = Utils.isAvailableApp(requireContext(), "org.omnirom.omnijaws")
+        }
     }
 
     override fun onPreferenceTreeClick(preference: Preference): Boolean {