Introduction to Xojo using PostgreSQL Kevin Cully CULLY Technologies, LLC
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Introduction to Xojousing PostgreSQL
Kevin CullyCULLY Technologies, LLC
About This Session
● Example Xojo web application● Not a sales pitch● Introduction to Xojo as a development tool● IDE tour● Xojo code and language● Strengths and Weaknesses● Q&A
About Me - Professional
About Me - Personal
Looking For A NewDevelopment Language
● Visual Development
● Singular IDE● Report Writer● Cross-platform● Object oriented● Multi-threaded
● High productivity● Active community● Third party support● Extensibility● Reasonably Priced● Not case sensitive
language
About Xojo
● Object-oriented programming language● Strongly typed language● Single inheritance and interfaces● Class methods and class properties● Automatic memory management● Uses SQLite for integrated database engine● "Fat client" applications (Linux, Mac, Windows)● Console applications● Web applications● iOS phone applications● Soon: Raspberry Pi (ARM) support
About Xojo the Company
● Geoff Perlman founded Real Software in 1996● Headquarters in Austin TX● Developers around the globe●
● Bought CrossBasic in 1998● Originally Mac and Java VM● Dropped Java VM● Added Windows● Added Linux in 2005● Added Web in 2010● Added iOS in 2014● 64bit Support in 2015● Raspberry Pi in (approx) 2016
What about costs?
● Xojo IDE Free!● Xojo Single Desktop $99/each● Xojo Desktop $299● Xojo Web $299● Xojo Console $149● Xojo iOS $299● Xojo Professional Edition $699● Xojo Enterprise Edition $1,999●
● On occasions there will be sale pricing.
Xojo Web & Desktop Controls
Screen Building
Connecting to PostgreSQL
● Xojo uses database plugins
● … such as the PostgreSQL plugin
Database Access
Built in Xojo Reporting Tool
Data Binding - Xojo
Native Controls forDesktop Applications
● Windows● Mac● Linux
Cross Platform Issues
● #IF TargetWin32 THEN● ' Windows only code● #ELSEIF TargetMacOX THEN● ' Mac only code● #ELSEIF TargetLinux THEN● ' Linux only code● #ELSEIF TargetWeb THEN● ' Web only code● #ELSEIF NOT TargetHasGUI THEN● ' Console application code● #ENDIF
Building Apps forAlternate Platforms
● If you are careful with your development, and creating dependancies, building applications for alternate platforms is a checkbox away.
Remote Debugger
Bumps in the Road
●Recordsets●Controls are global to the Window●Cannot programmatically control Z-Order of controls
●Visual Inheritance●Code Inheritance Parent Classes●Data Binding
Xojo is Web 3.0!● (Web 3.0 is one better than Web 2.0)
Current Web Development
● HTML● PHP ● CSS● ASP.NET● JavaScript● Jquery● ExtJS● KnockoutJS● AngularJS● … any others ...
Xojo Web Edition
● Web Site <> Web Application
Xojo Web Edition
● Develop as you would desktop application
● Persistent connection between browser & server
● Web sockets & similar technology per platform handles communication
●
● { demo }
Xojo Web Edition
● Single Page Application
Xojo Web – Platform Specific
Xojo with PostgreSQL
● Q & A
Introduction to Xojo
Thank you.
http://cullytechnologies.comhttp://cully.biz
https://twitter.com/KevinCully
Related Documents
