Add on-screen connection warnings

app/src/main/res/layout/activity_game.xml

@@ -10,4 +10,16 @@
         android:layout_height="match_parent"
         android:layout_gravity="center" />
 
+    <TextView
+        android:id="@+id/notificationOverlay"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="10dp"
+        android:layout_marginStart="10dp"
+        android:layout_gravity="right"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:gravity="right"
+        android:background="#80000000"
+        android:visibility="gone" />
+
 </merge>

app/src/main/res/values/strings.xml

@@ -84,6 +84,8 @@
     <string name="title_details">Details</string>
     <string name="help">Help</string>
     <string name="delete_pc_msg">Are you sure you want to delete this PC?</string>
+    <string name="slow_connection_msg">Slow connection to PC\nReduce your bitrate</string>
+    <string name="poor_connection_msg">Poor connection to PC</string>
 
     <!-- AppList activity -->
     <string name="applist_connect_msg">Connecting to PC…</string>

app/src/main/res/xml/preferences.xml

@@ -149,6 +149,11 @@
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/category_advanced_settings"
         android:key="category_advanced_settings">
+        <CheckBoxPreference
+            android:key="checkbox_disable_warnings"
+            android:title="@string/title_checkbox_disable_warnings"
+            android:summary="@string/summary_checkbox_disable_warnings"
+            android:defaultValue="false" />
         <ListPreference
             android:key="video_format"
             android:title="@string/title_video_format"