Add Recent apps widget

community/recent-apps.lua

@@ -0,0 +1,120 @@
+-- name = "Recent Apps"
+-- description = "Gets the apps in the recent apps (app overview) screen. Tap to open the app or long press to remove it.\nREQUIRES ROOT and Android 11 or higher."
+-- type = "widget"
+-- author = "Abi"
+-- version = "3.3"
+-- foldable = "false"
+
+local entries = {}
+
+function on_resume()
+	system:su('dumpsys activity recents')
+end
+
+function on_shell_result(raw)
+	local start = raw:find("Visible recent tasks")
+	if not start then
+		ui:show_text("No recent apps")
+		return
+	end
+	local trimmed = raw:sub(start)
+
+	local blocks = {}
+	local pat = "%* RecentTaskInfo #%d+:"
+	local pos = 1
+	while true do
+		local s,e = trimmed:find(pat, pos)
+		if not s then break end
+		local ns,_ = trimmed:find(pat, e+1)
+		if ns then
+			blocks[#blocks+1] = trimmed:sub(s, ns-1)
+			pos = ns
+		else
+			blocks[#blocks+1] = trimmed:sub(s)
+			break
+		end
+	end
+
+	entries = {}
+	for _, block in ipairs(blocks) do
+		local id = block:match("id=(%d+)")
+		local has = block:match("hasTask=(%a+)")
+		local last = block:match("lastActiveTime=(%d+)")
+		local full = block:match("cmp=([%w%.]+/[%w%._]+)")
+		local pkg = full and full:match("^([^/]+)")
+
+		if id and has and last and pkg then
+			entries[#entries+1] = {
+				id = tonumber(id),
+				hasTask = (has == "true"),
+				lastActiveTime = tonumber(last),
+				packageName = pkg,
+				appName = get_name_or_color(pkg, "name"),
+				appColor = get_name_or_color(pkg, "color"),
+		}
+		end
+	end
+
+	if #entries == 0 then
+		ui:show_toast("No recent apps parsed")
+		return
+	end
+
+	do
+		local names, colors = {}, {}
+		for i, e in ipairs(entries) do
+			names[i] = e.appName
+			colors[i] = e.appColor
+		end
+		ui:show_buttons(names, colors)
+	end
+end
+
+function on_click(idx)
+	local pkg = entries[idx] and entries[idx].packageName
+	if pkg then
+		apps:launch(pkg)
+	else
+		ui:show_toast("No package at index "..tostring(idx))
+	end
+end
+
+function on_long_click(idx)
+	local e = entries[idx]
+	if not e then
+		ui:show_toast("No app at index "..tostring(idx))
+		return
+	end
+
+	system:su("am stack remove " .. entries[idx].id)
+	system:su('dumpsys activity recents')
+end
+
+function to_hex_rgb(argb)
+	if argb < 0 then argb = 4294967296 + argb end
+	local r = math.floor((argb / 65536) % 256)
+	local g = math.floor((argb / 256) % 256)
+	local b = math.floor(argb % 256)
+	return string.format("#%02X%02X%02X", r, g, b)
+end
+
+function get_name_or_color(pkg, nameorcolor)
+	local info = apps:app(pkg)
+	if not info then
+		if nameorcolor == "name" then
+			return "???"
+		elseif nameorcolor == "color" then
+			return "#FFFFFF"
+		else
+			return nil
+		end
+	end
+
+	if nameorcolor == "name" then
+		return info.name or "???"
+	elseif nameorcolor == "color" then
+		return to_hex_rgb(info.color or 0xFFFFFF)
+	else
+		return nil
+	end
+end