Call Window.setAttributes()

With some vendors, the navigation bar was transparent and the keyboard
background was not drawn behind it.

srcs/juloo.keyboard2/Config.java

@@ -168,7 +168,7 @@ public final class Config
     switch_input_immediate = _prefs.getBoolean("switch_input_immediate", false);
     extra_keys_param = ExtraKeysPreference.get_extra_keys(_prefs);
     extra_keys_custom = CustomExtraKeysPreference.get(_prefs);
-    selected_number_layout = NumberLayout.of_string(_prefs.getString("number_entry_layout", "pin"));
+    selected_number_layout = NumberLayout.valueOf(_prefs.getString("number_entry_layout",  "pin").toUpperCase());
     current_layout_portrait = _prefs.getInt("current_layout_portrait", 0);
     current_layout_landscape = _prefs.getInt("current_layout_landscape", 0);
     current_layout_unfolded_portrait = _prefs.getInt("current_layout_unfolded_portrait", 0);

srcs/juloo.keyboard2/Keyboard2.java

@@ -315,7 +315,9 @@ public class Keyboard2 extends InputMethodService
         WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
       // Allow to draw behind system bars
       wattrs.setFitInsetsTypes(0);
+      window.setAttributes(wattrs);
       window.setDecorFitsSystemWindows(false);
+      window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
     }
     updateLayoutHeightOf(window, ViewGroup.LayoutParams.MATCH_PARENT);
     final View inputArea = window.findViewById(android.R.id.inputArea);

srcs/juloo.keyboard2/NumberLayout.java

@@ -1,17 +1,7 @@
 package juloo.keyboard2;
 
 public enum NumberLayout {
-  PIN,
-  NUMBER,
-  NORMAL;
-
-  public static NumberLayout of_string(String name)
-  {
-    switch (name)
-    {
-      case "number": return NUMBER;
-      case "normal": return NORMAL;
-      case "pin": default: return PIN;
-    }
-  }
+    PIN,
+    NUMBER,
+    NORMAL
 }