JAVA开发GPS应用手册.pdf

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1、IntroductiontoGPS,Part1PresentedbydeveloperWorks,yoursourceforgreattutorialsibm.com/developerWorksTableofContentsIfyou'reviewingthisdocumentonline,youcanclickanyofthetopicsbelowtolinkdirectlytothatsection.1.Introduction............................................

2、..................22.WhatisGPS?...........................................................53.WhyJavaforGPS?....................................................94.Buildenvironment......................................................115.Sampleapplication..........

3、...........................................136.Userinterfaceandoptionsforthesampleapplication...........157.Summary................................................................23IntroductiontoGPS,Part1Page1of24ibm.com/developerWorksPresentedbydeveloperWorks,yo

4、ursourceforgreattutorialsSection1.IntroductionShouldItakethistutorial?Thistutorial,thefirstinathree-partseries,isdesignedfordevelopersandproductmanagerswhoareevaluatingtheJavaprogramminglanguageasanoptionforuseinGlobalPositioningSystem(GPS)applications.Moregenera

5、lly,anyonefamiliarwithserialcommunicationsinanotherprogramminglanguagesuchasCorBASIC,butwhoisinterestedinlearninghowtoachieveserialcommunicationsbyusingtheJavaprogramminglanguage,willfindthesampleapplicationausefulexercise.FamiliaritywiththeJavaprogramminglanguag

6、eisrecommended.Tutorialresourcesonpage23containslinkstousefulprimersontheJavalanguageifyouneedtobrushupyourskills.Thistutorialisaprerequisiteforsubsequenttutorialsinthisseries.UpcomingtutorialsdiscussGPSconceptsinfurtherdepthaswellaslookatthetaskofportingthesampl

7、eJavaapplicationfromthedesktoptoaportablecomputingenvironment.Whatisthistutorialabout?ThistutorialexploresGPSandtheJavaprogramminglanguage'sapplicabilitytoGPSapplications.BasicGPSconceptsserveasafoundationforthesampleapplication.InadditiontotheGPStopics,thistutor

8、ialpresentsahigh-leveldiscussionofJavaarchitecturewithrespecttotheJavaNativeInterface(JNI)andplatform-specificissuesrelatedtophysicaldevicecommunications.Thetu