Fixes builds

app/src/main/java/de/kuschku/quasseldroid/ui/chat/add/create/ChannelCreateFragment.kt

@@ -100,7 +100,8 @@ class ChannelCreateFragment : ServiceBoundSettingsFragment() {
       }
 
       override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-        networkId = networkAdapter.getItem(position).id
+        networkId = networkAdapter.getItem(position)?.id
+                    ?: NetworkId(0)
         hasSelectedNetwork = true
       }
     }

app/src/main/java/de/kuschku/quasseldroid/ui/chat/add/join/ChannelJoinFragment.kt

@@ -78,7 +78,8 @@ class ChannelJoinFragment : ServiceBoundFragment() {
       }
 
       override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-        networkId = networkAdapter.getItem(position).id
+        networkId = networkAdapter.getItem(position)?.id
+                    ?: NetworkId(0)
         hasSelectedNetwork = true
       }
     }

app/src/main/java/de/kuschku/quasseldroid/ui/chat/add/query/QueryCreateFragment.kt

@@ -121,7 +121,8 @@ class QueryCreateFragment : ServiceBoundFragment() {
       }
 
       override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-        networkId = networkAdapter.getItem(position).id
+        networkId = networkAdapter.getItem(position)?.id
+                    ?: NetworkId(0)
         hasSelectedNetwork = true
         modelHelper.queryCreate.networkId.onNext(networkId)
       }