安卓基础知识超强总结

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1、安卓基础知识超强总结1introduction1.1androidLinux,2.24.54LinuxlibraryframeworkapplicaitonapplicationsEclipse+adt+SDK(sourceexamplesupporttool)1.3hellowroldMainActivityextendsActivityonCreate()setContentViewTheresdrawablelayoutvaluesstrings・XMLlayoutmain.xml1.4Rres1.5manifestfil

2、epackagenameThe1.6dalvikdexisbasedonregistersAsummaryoftheknowledgepointsTheActivityTheServiceContentProvdierBroadcastReceiverFourmajorcomponentsTheXXXextendsXXXX2isconfiguredinthelistingOnStart()onResume()onResume()onResume()onR

3、esume()onResume()onResume()onStop()onStop()onStop()onStop()onStop()onResume()onStop()onStop()onStart()onResume()onResume()onResume1showscontrolsViewTextViewButtonEidtTextImageViewProgressBarSeekBarCheckBoxWebViewloadLRI()TheViewGroupListViewScrollViewSpinnerAutoCompl

4、eteTextView,thebigfivelayout(threadversustableframeabsolute)FindViewByld()view・findviewbyid();2dataEt.ThesetText()Thelv.setadapter()Adapter-->()()>SimpleAdapterArrayAdapterLayoutlnflater3listenLv.SetOnXXXListener();SetOnTouchListener()doodlesFourcharacteristicsThemen

5、uDialogboxDialog・Builder二newAlertDialog・Builder・Dialog・Theshow();ProgressDailog5togetthedata1f订e1.1ordinaryJava10modefileoperationmodeprivateappendwrwwLinuxfileunity-(filesfolders)-(itself)(group)——(other)(RWX)OpenFilelnput()openFileOutput()getFileDirs()getCacheDirs

6、()ItisonlyinyourownterritorythatyouhaveauthoritySdcardEnvironment・GetXXX()writesthepermissionStateF(togetthesdcardavailablespace+totalspace)1.2XMLxml.newxxxer();The1.2.0XMLformatdocumentbegins,endsthetag,andendsthetextnodeattributedomsaxpull1parsingXMLparser・setinput

7、();Theparser・geteventtype()parser・Next()parser・getname()parser・nexttext()parser・getattrubutevalue();1.2.2generatestheXMLseriaizer・setoutput()seriaizer・startdocument().enddocument(),startTag().endtag02SharedPreferencepreferredtosavethesoftware，sconfigurationinformatio

8、n/data/data/packagename/share_prefs/config・xml