build/android/res/layout/assetcopy.xml


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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <ProgressBar
        android:id="@+id/progressBar1"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="preparing media ..."
        android:textAppearance="?android:attr/textAppearanceSmall" />

</LinearLayout>
-- Minetest: builtin/item_entity.lua

function core.spawn_item(pos, item)
	-- Take item in any format
	local stack = ItemStack(item)
	local obj = core.add_entity(pos, "__builtin:item")
	obj:get_luaentity():set_item(stack:to_string())
	return obj
end

-- If item_entity_ttl is not set, enity will have default life time 
-- Setting it to -1 disables the feature

local time_to_live = tonumber(core.setting_get("item_entity_ttl"))
if not time_to_live then
	time_to_live = 900
end

core.register_entity(":__builtin:item", {
	initial_properties = {
		hp_max = 1,
		physical = true,
		collide_with_objects = false,
		collisionbox = {-0.24, -0.24, -0.24, 0.24, 0.24, 0.24},
		visual = "wielditem",
		visual_size = {x = 0.3, y = 0.3},
		textures = {""},
		spritediv = {x = 1, y = 1},
		initial_sprite_basepos = {x = 0, y = 0},
		is_visible = false,
	},

	itemstring = '',
	physical_state = true,
	age = 0,

	set_item = function(self, itemstring)
		self.itemstring = itemstring
		local stack = ItemStack(itemstring)
		local count = stack:get_count()
		local max_count = stack:get_stack_max()
		if count > max_count then
			count = max_count
			self.itemstring = stack:get_name().." "..max_count
		end
		local s = 0.15 + 0.15 * (count / max_count)
		local c = 0.8 * s
		local itemtable = stack:to_table()
		local itemname = nil
		if itemtable then
			itemname = stack:to_table().name
		end
		local item_texture = nil
		local item_type = ""
		if core.registered_items[itemname] then
			item_texture = core.registered_items[itemname].inventory_image
			item_type = core.registered_items[itemname].type
		end
		prop = {
			is_visible = true,
			visual = "wielditem",
			textures = {itemname},
			visual_size = {x = s, y = s},
			collisionbox = {-c, -c, -c, c, c, c},
			automatic_rotate = math.pi * 0.2,
		}
		self.object:set_properties(prop)
	end,

	get_staticdata = function(self)
		return core.serialize({
			itemstring = self.itemstring,
			always_collect = self.always_collect,
			age = self.age
		})
	end,

	on_activate = function(self, staticdata, dtime_s)
		if string.sub(staticdata, 1, string.len("return")) == "return" then
			local data = core.deserialize(staticdata)
			if data and type(data) == "table" then
				self.itemstring = data.itemstring
				self.always_collect = data.always_collect
				if data.age then 
					self.age = data.age + dtime_s
				else
					self.age = dtime_s
				end
			end
		else
			self.itemstring = staticdata
		end
		self.object:set_armor_groups({immortal = 1})
		self.object:setvelocity({x = 0, y = 2, z = 0})
		self.object:setacceleration({x = 0, y = -10, z = 0})
		self:set_item(self.itemstring)