文档介绍：Android实验报告专业:物联网工程班级:14419062学号:1441906221姓名:毛君宇2017年06月11日实验一Activity生命周期一、实验目的Android生命周期是从程序启动到程序终止的过程。通过本次实验深入理解Android系统管理生命周期的必要性,并以Activity为例说明Android系统是如何管理程序组件的生命周期。二、实验设备1、硬件设备系统类型:Win10版本64位,处理器:Intel(R)Core(TM)i5-******@(RAM):、软件设备Win10操作系统、Androidstido>JDK、、实验内容1、实验要求观察Activity的生命周期。2、 .;;;;;;patActivity{privatestaticStringTAG=,,LIFTCYCLEU;***@Override//thewholelifecirclebeginswithcalling;protectedvoidonCreate(BundlesavedlnstanceState){(savedlnstanceState);setContentView();(TAG,M(1)onCreate()");//listeningclickingbtn;Buttonbtn=(Button)findViewById();((){publicvoidonClick(Viewview)(TAG;tfinish(),r);finish();});//thewatchfullifecirclebeginswithcalling;publicvoidonStart(){();(TAG,"(2)onStart()”);}//afteronStart()lpublicvoidonRestoreInstanceState(Bundlesavedlnstance){supe匚onRcs(oi・eIns(anceS(ate(savedIns(ance);(TAG,"(3)onRestoreInstanceState()");}//activelifecirclecalled;publicvoidonResume(){();(TAG,"(4)onResume()M);}//afteronPause();publicvoidonSaveInstanceState(BundlesavedlnstanceState){(savedlnstanceState);(TAG,"(5)onSaveInstanceState");}publicvoidonRestart(){();(TAG/,(6)onRestat()n);〃活动生命周期结束时调用;publicvoidonPause(){();(TAG,"(7)onPause()");}//activelifecircleendswithcallingpublicvoidonStopO{;(TAG,"(8)onStop");}//thewholelifecircleendswithcallingpublicvoidonDestroyO{supei*.onDestroy();(TAG/'(9)onDetroy()M);1}3、结果显示Z OS-25 !••• JUcActivity2:oeFtux<>X0$-2$ !••• 111ftcycleJkiivlty:oeJUrXOS-2S 】••• 111f«eycl«Aetivicy:o&Start(>Z 0S-2S *••• Sy*t«€ AXxf«cycI«Actxvity:oeJlerjBe()X 0S-2S l… ccb