Qtisacross-platformapplicationframeworkandwidgettoolkitthatisusedtocreateGUIapplicationsthatcanrunondifferenthardwareandoperatingsystems.ThemainaimofthisbookistointroduceQttothereader.Throughtheuseofsimpleexamples,wewillwalkyouthroughbuildingblockswithoutfocusingtoomuchontheory.Qtisapopulartoolthatcanbeusedforbuildingavarietyofapplications,suchaswebbrowsers,mediaplayerssuchasVLC,andAdobePhotoshop.FollowingQtinstallationandsetup,thebookdivesstraightintohelpingyoucreateyourfirstapplication.YouwillbeintroducedtoWidgets,Qt'sinterfacebuildingblock,andthemanyvarietiesthatareavailableforcreatingGUIs.Next,Qt'scoreconceptofsignalsandslotsarewellillustratedwithsufficientexamples.Thebookfurtherteachesyouhowtocreatecustomwidgets,signalsandslots,andhowtocommunicateusefulinformationviadialogboxes.Tocapeverythingoff,youwillbetakenthroughwritingapplicationsthatcanconnecttodatabasesinordertopersistdata.Bytheendofthebook,youshouldbewellequippedtostartcreatingyourownQtapplicationsandconfidentenoughtopickupmoreadvancedQttechniquesandmaterialstohoneyourskills.