Corona androidSystemUiVisibility

config.lua

--
-- For more information on config.lua see the Project Configuration Guide at:
-- https://docs.coronalabs.com/guide/basics/configSettings
--

application =
{
	content =
	{
		--width = 320,
		--height = 480, 
		scale = "adaptive",
		fps = 30,
		
		--[[
		imageSuffix =
		{
			    ["@2x"] = 2,
			    ["@4x"] = 4,
		},
		--]]
	},
}

main.lua

local circle
local mode = "immersiveSticky"

local function drawCircle()
    local c = display.newCircle(display.contentWidth * 0.5, display.contentHeight * 0.5, display.contentWidth * 0.4)
    c:addEventListener("tap", function()
        if (mode == "immersiveSticky") then
            mode = "default"
        else
            mode = "immersiveSticky"
        end
        print("mode changed")
    end)
    return c
end

local function printSizes()
    print("===================== printSizes ============================")
    print("androidSystemUiVisibility = ", native.getProperty("androidSystemUiVisibility"))
    print("content", display.contentWidth, display.contentHeight)
    print("viewable content", display.viewableContentWidth, display.viewableContentHeight)
    print("actual content", display.actualContentWidth, display.actualContentHeight)
    print("pixel", display.pixelWidth, display.pixelHeight)
    print("===================== printSizes ends =======================")
end
printSizes()
display.setStatusBar(display.HiddenStatusBar)

display.setDefault("magTextureFilter", "nearest")
display.setDefault("minTextureFilter", "nearest")
printSizes()

local function onSystemEvent(event)
    local eventType = event.type

    if (eventType == "applicationStart") then
    elseif (eventType == "applicationResume") then
        print("resume")
        native.setProperty("androidSystemUiVisibility", mode)
    end
end

local function onResize(event)
    print("resize2")
    printSizes()
    display.remove(circle)
    circle = drawCircle()
end

-- Add the "resize" event listener
Runtime:addEventListener("resize", onResize)
Runtime:addEventListener("system", onSystemEvent)
print("set ui visibility mode", mode)
native.setProperty("androidSystemUiVisibility", mode)
--end

circle = drawCircle()