Disable game bar and header on Android (#7940)

builtin/mainmenu/tab_local.lua

@@ -15,14 +15,18 @@
 --with this program; if not, write to the Free Software Foundation, Inc.,
 --51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-local function current_game()
+
+local enable_gamebar = PLATFORM ~= "Android"
+local current_game, singleplayer_refresh_gamebar
+if enable_gamebar then
+	function current_game()
 		local last_game_id = core.settings:get("menu_last_game")
 		local game, index = pkgmgr.find_by_gameid(last_game_id)
 
 		return game
 	end
 
-local function singleplayer_refresh_gamebar()
+	function singleplayer_refresh_gamebar()
 
 		local old_bar = ui.find_by_name("game_button_bar")
 
@@ -84,6 +88,11 @@ local function singleplayer_refresh_gamebar()
 			btnbar:add_button(btn_name, text, image, tooltip)
 		end
 	end
+else
+	function current_game()
+		return nil
+	end
+end
 
 local function get_formspec(tabview, name, tabdata)
 	local retval = ""
@@ -282,7 +291,9 @@ local function main_button_handler(this, fields, name, tabdata)
 	end
 end
 
-local function on_change(type, old_tab, new_tab)
+local on_change
+if enable_gamebar then
+	function on_change(type, old_tab, new_tab)
 		local buttonbar = ui.find_by_name("game_button_bar")
 
 		if ( buttonbar == nil ) then
@@ -306,6 +317,7 @@ local function on_change(type, old_tab, new_tab)
 			mm_texture.update(new_tab,nil)
 		end
 	end
+end
 
 --------------------------------------------------------------------------------
 return {