石android考試范圍2Android應(yīng)用開發(fā)實(shí)踐教程教學(xué)課件

《Android編程指南》：1~12章《Android應(yīng)用開發(fā)實(shí)踐》教學(xué)課件：1章開發(fā)環(huán)境搭建和程序開發(fā)基礎(chǔ).pdf2.pdf3章組件通信.pdf第4章服務(wù)與廣播消息.odf第5章數(shù)據(jù)與.pdf6Android網(wǎng)絡(luò)應(yīng)用.pdf8章Fragment.pdf9Java并發(fā)編程第11章Vieger和12PostgresSQL第13章在客戶端解析16MyBatis框架原理.pdf17章MavenGradle.pdf22章Java設(shè)計(jì)模式.pdf《Android應(yīng)用層：Android平臺(tái)不僅僅是操作系統(tǒng)，也包含了許多應(yīng)用程序，可被開發(fā)和替換應(yīng)用框架層：Android應(yīng)用開發(fā)的基礎(chǔ)。開發(fā)人員可以完全應(yīng)用程序所使用的應(yīng)用程序框架層和Linux內(nèi)核層的重要紐帶。Android運(yùn)行時(shí)包括庫和Dalvik虛擬Linux內(nèi)核層：Android的系統(tǒng)服務(wù)依賴于Linux內(nèi)核，同時(shí)也作為硬件和軟件棧之 java 資 Androidmanifest.xml項(xiàng)目文件列出了應(yīng)用程序提供的功能，開發(fā)好的各種組件需MainActivityRunnableRun1handlerRunnablerunnable=newRunnable(){Publicvoidrun(){{}catch(InterruptedExceptione){}Datenewtime=newDate(oldtime.getTime() oldtime=newtime;}}Handlerhandler=newHandler(){PublicvoidhandleMessage(Messagemsg){If(msg.what==0x123){SimpleDateFormatformat=newSimpleDateFormat(“HH:mm:ss”);}Elseif(msg.what==0x456){}}btnstartPublicvoidonClick(Viewarg0){If(thread==nullthread=newThread(runnable);}}音樂控制在MainActivity中通過重寫OnClickListener接口的onClick()方法實(shí)現(xiàn)們Bundle綁定數(shù)字num,startService(intent)ServicenumProtectedvoidonCreate(Bundle…ButtonyBtn=(Button)findViewById(R.id.y);…}PublicvoidonClick(Viewv){intnum=-1;Intent=newIntent(“com.mialab.startservicedemo.musicService”);caseR.id.num=1;}Bundlebundle=newBundle();}MusicServicePublicvoidonStart(Intentintent,intstartId){If(intent!=null){Bundlebundle=intent.getExtras();Intnumbundle.getInt(“music”);//keybundleCase1:…}}}Publicvoid yer==null)If(reset==true)media ying())media }AIDL是一種接口定義語言，用于約束兩個(gè)進(jìn)程間的通訊規(guī)則，供編譯器生成代碼，實(shí)程之間的通信信息需要雙向轉(zhuǎn)換，所以Android采用類在背后實(shí)現(xiàn)了信息的雙向轉(zhuǎn)換，類由Android編譯器生成，對(duì)開發(fā)人員來說是透明的。服務(wù)器工程AIDLService在I.aidl中定義一個(gè)o方Packagecom.mialab.aidl;InterfaceI{ o(Stringsomeone}在AIDLService類中，stub繼承android.os.Binder類并實(shí)現(xiàn)I接PublicclassAIDLServiceextends .Stubstub=new PublicString o(Stringsomeone)throwsRemoteException{ o()called”);Return“o,}PublicIBinderonBind(Intentintent){Log.d(TAG,”onBind()called”);Returnstub;}…}<service<action<category客戶端工程AIDLService_中,用asInterface(IBinder)方法，把IBinder類型轉(zhuǎn)換 MainActivityPrivate PrivateServiceConncetionconn=newServiceConnection(){PublicvoidonServiceConnected(ComponentNamename,IBinderservice){Log.d(“ServiceConnection”,”onServiceConnected()called”);= }…..//按鈕，調(diào)用Service工程 o方PublicvoidonClick(Viewv){StrignretVal= }catch(RemoteExcetione){}}發(fā)送廣播進(jìn)程 yService和接受進(jìn)程 yReceiver在中 PublicclassMainActivityextendsActivityimplementsOnClickListener{PrivateIntentintent;PublicvoidonClick(Viewv){Intnum=-1;Intent=newIntent(“com.mialab.broadcast.musicBundlebundle=newBundle();}}PublicclassMusicyReceiverextendsBroadcastReceiver{PrivatestaticStringTAG=”MusicyReceiver”;PublicvoidonReceiver(Contextcontext,Intentintent){ Bundlebundle=Intentit=newIntent(context,MusicyService.class);Intop=bundle.getInt(“music”);}}}}}讓多個(gè)觀察者對(duì)象同時(shí)某一個(gè)對(duì)象publicclass{publicvoidupdate(String{}}publicclass{privateList<Watcher>list=newpublicvoidaddWatcher(Watcher{}publicvoidremoveWatcher(Watcher{}publicvoidnotifyWatchers(String{//自動(dòng)調(diào)用實(shí)際上是進(jìn)行調(diào)用for(Watcherwatcher:{}}}Watchedwed=newWatcherwatcher1=newConcreteWatcher();Watcherwatcher2=new優(yōu)點(diǎn)：Decorator可以提供比繼承的靈活性publicinterfaceTheGreatestSagepublicvoid}publicclassMonkeyimplementsTheGreatestSagepublicvoidmove()System.out.println("Monkey}}publicclassChangeimplementsTheGreatestSage{privateTheGreatestSagesage;publicChange(TheGreatestSagesage){this.sage=sage;}publicvoidmove()}}publicclassFishextendsChangepublicFish(TheGreatestSagesage){}publicvoidmove()System.out.println("Fish}}publicclassBirdextendsChangepublicBird(TheGreatestSagesage){}publicvoidmove()System.out.println("Bird}}main

TheGreatestSagesage=newTheGreatestSagebird=newBird(sage);TheGreatestSagefish=new成Future的方法?？梢躁P(guān)閉ExecutorService,這將導(dǎo)致其新任務(wù)。Executors類，提供了一系列工廠方法用于創(chuàng)建線，返回的線都實(shí)現(xiàn)newCachedThreadPool:創(chuàng)建一個(gè)可緩存的線newCachedThreadPool:創(chuàng)建一個(gè)可緩存的線才能獨(dú)立地運(yùn)轉(zhuǎn)，其它時(shí)候是依賴于Activity的生命周期變化的.安裝7．設(shè)置MAVEN_OPTS28MavenMavenmaven的所有構(gòu)件均通過坐標(biāo)進(jìn)行組織和管理。maven5個(gè)元素認(rèn)為jar），classifier是不能直接定義的。Maven是基于倉庫的編譯，即把編譯所需要的資源放在一個(gè)倉庫里，jar，tld，pom等。當(dāng)編譯的時(shí)候，Maven會(huì)自