coronarob’s gists

coronarob / main.lua

Last active August 29, 2015 14:21

Sample for copying a database to a writable location.

	local sqlite3 = require( "sqlite3" )
	local dbfunc = require("copyDBto")

	local filename = "data.db"
	local baseDir = system.DocumentsDirectory

	-- Open "data.db". If the file doesn't exist, it will be created
	local path = system.pathForFile( filename, baseDir )

	local doesExist = io.open(path, "r")

coronarob / copyDBto.lua

Created May 18, 2015 03:02

Function to copy a database from your resource bundle to a writable area.

	local M = {}
	function M.copyDatabaseTo( filename, destination )
	assert( type(filename) == "string", "string expected for the first parameter but got " .. type(filename) .. " instead." )
	assert( type(destination) == "table", "table expected for the second paramter but bot " .. type(destination) .. " instead." )
	local sourceDBpath = system.pathForFile( filename, system.ResourceDirectory )
	-- io.open opens a file at path. returns nil if no file found
	local readHandle, errorString = io.open( sourceDBpath, "rb" )
	assert( readHandle, "Database at " .. filename .. " could not be read from system.ResourceDirectory" )
	assert( type( destination.filename) == "string", "filename should be a string, its a " .. type( destination.filename ) )
	print(type(destination.baseDir))

coronarob / countdowntimer.lua

Last active August 29, 2015 14:20

A sample countdown timer

	display.setDefault("background", 0.2, 0.2, 0.4 )

	-- Keep track of time in seconds
	local secondsLeft = 20 * 60 -- 20 minutes * 60 seconds

	local clockText = display.newText("20:00", display.contentCenterX, 80, native.systemFontBold, 80)
	clockText:setFillColor( 0.7, 0.7, 1 )

	local function updateTime()
	-- decrement the number of seconds

coronarob / main.lua

Last active August 29, 2015 14:19

Android Social Sharing example

	if "simulator" == system.getInfo( "environment" ) then
	native.showAlert( "Build for device", "This plugin is not supported on the Corona Simulator, please build for an iOS device or Xcode simulator", { "OK" } )
	end

	-- Require the widget library
	local widget = require( "widget" )

	-- Use the iOS 7 theme for this sample
	widget.setTheme( "widget_theme_android_holo_dark" )

coronarob / gist:8387deec14650adf03a4

Created April 6, 2015 01:02

Position objects on a grid

	local GRID_WIDTH = 8
	local GRID_HEIGHT = 8
	local CELL_WIDTH = 40
	local CELL_HEIGHT = 40
	--
	-- Create a 2D array to hold our objects.
	local grid = {}
	for i = 1, GRID_HEIGHT do
	grid[i] = {}
	end

coronarob / generateEvent_3.lua

Last active August 29, 2015 14:17

Generate the event from Lua

	local requestRateApp =
	{
	name = "rateApp",
	}
	Runtime:dispatchEvent(requestRateApp)

coronarob / rateapp_2.cs

Created March 24, 2015 00:32

Enable the rateApp Event

	private void OnCoronaRuntimeLoaded(
	object sender, CoronaLabs.Corona.WinRT.CoronaRuntimeEventArgs e)
	{
	// Keep a reference to the Corona runtime environment.
	// It's needed so that your login window's results can be dispatched to Corona.
	fCoronaRuntimeEnvironment = e.CoronaRuntimeEnvironment;
	fCoronaRuntimeEnvironment.AddEventListener("rateApp", rateApp);
	}

coronarob / rateApp.cs

Last active August 29, 2015 14:17

Windows Phone 8 function to rate an App. Add this near the bottom of your MainPage class.

	/// <summary>Called by Lua when it is requesting a login popup to be shown.</summary>
	/// <param name="sender">The CoronaRuntimeEnvironment that dispatched this event.</param>
	/// <param name="e">Provides the Lua vent table's fields/properties.</param>
	/// <returns>Returns a boxed object to Lua.</returns>
	private CoronaLabs.Corona.WinRT.ICoronaBoxedData rateApp(
	CoronaLabs.Corona.WinRT.CoronaRuntimeEnvironment sender,
	CoronaLabs.Corona.WinRT.CoronaLuaEventArgs e)
	{
	MarketplaceReviewTask marketplaceReviewTask = new MarketplaceReviewTask();
	marketplaceReviewTask.Show();

coronarob / activity_button.lua

Last active August 29, 2015 14:17

Button to trigger the activity panel

	widget = require( "widget" )
	shareButton = widget.newButton({
	label = "Share",
	onRelease = showShare,
	})
	shareButton.x = display.contentCenterX
	shareButton.y = display.contentCenterY

coronarob / activity_call.lua

Last active August 29, 2015 14:17

Function to show the activity popup.

	local shareButton -- will define later

	local function showShare()
	local popupName = "activity"
	local isAvailable = native.canShowPopup( popupName )
	local isSimulator = "simulator" == system.getInfo( "environment" )

	-- If it is possible to show the popup
	if isAvailable then
	local listener = {}