實(shí)驗(yàn)一Android開發(fā)環(huán)境搭建與Helloworld一、實(shí)驗(yàn)?zāi)康膶W(xué)會(huì)搭建并安裝Android開發(fā)環(huán)境,并實(shí)現(xiàn)HelloWorld應(yīng)用開發(fā)。主要儀器設(shè)備及套數(shù)計(jì)算機(jī)三、實(shí)驗(yàn)內(nèi)容搭建開發(fā)環(huán)境；安裝JavaJDK，下載Eclipse，解壓Eclipse；官方下安裝ADT（AndroidDevelopmentTools）；安裝Android；安裝手機(jī)USB驅(qū)動(dòng)；建立新項(xiàng)目，實(shí)現(xiàn)HelloWorld程序代碼packagecom.example.helloandroid;importandroid.support.v7.app.ActionBarActivity;importandroid.os.Bundle;importandroid.view.Menu;importandroid.view.MenuItem;publicclassMainActivityextendsActionBarActivity{ @Override protectedvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override publicbooleanonCreateOptionsMenu(Menumenu){ //Inflatethemenu;thisaddsitemstotheactionbarifitispresent. getMenuInflater().inflate(R.menu.main,menu); returntrue; } @Override publicbooleanonOptionsItemSelected(MenuItemitem){ //Handleactionbaritemclickshere.Theactionbarwill //automaticallyhandleclicksontheHome/Upbutton,solong //asyouspecifyaparentactivityinAndroidManifest.xml. intid=item.getItemId(); if(id==R.id.action_settings){ returntrue; } returnsuper.onOptionsItemSelected(item); }}實(shí)驗(yàn)結(jié)果六、實(shí)驗(yàn)小結(jié)這個(gè)實(shí)驗(yàn)很簡(jiǎn)單，主要是要我們學(xué)習(xí)Android開發(fā)環(huán)境的搭建，了解Android應(yīng)用開發(fā)程序的開發(fā)過程，生成Android應(yīng)用程序框架以及配置相應(yīng)的運(yùn)行參數(shù)。實(shí)驗(yàn)三Android觸控監(jiān)聽器的使用一、實(shí)驗(yàn)?zāi)康?.掌握Android項(xiàng)目中界面顯示的基本方法；2.掌握OnTouchListener監(jiān)聽器的設(shè)計(jì)與使用3.掌握Android手機(jī)硬件API的調(diào)用方法。二、主要儀器設(shè)備及套數(shù)計(jì)算機(jī)三、實(shí)驗(yàn)內(nèi)容在Android平臺(tái)下設(shè)計(jì)實(shí)現(xiàn)滑動(dòng)的方塊應(yīng)用1.使用屏幕觸控，圖拽方塊移動(dòng)。2.暫不考慮橫屏切換程序代碼控制文件：packagecom.ex06_03;importandroid.app.Activity;importandroid.os.Bundle;importandroid.util.Log;importandroid.view.MotionEvent;importandroid.view.View;importandroid.view.View.OnTouchListener;publicclassMainActivityextendsActivity{ intx1=150,y1=50;TestViewtestView;@OverridepublicvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);testView=newTestView(this);testView.setOnTouchListener(newmOnTouch());testView.getXY(x1,y1);setContentView(testView);}privateclassmOnTouchimplementsOnTouchListener{ publicbooleanonTouch(Viewv,MotionEventevent) { if(event.getAction()==MotionEvent.ACTION_MOVE) {//在屏幕上滑動(dòng)（拖動(dòng)） x1=(int)event.getX(); y1=(int)event.getY();testView.getXY(x1,y1);setContentView(testView); } if(event.getAction()==MotionEvent.ACTION_DOWN) {//點(diǎn)擊 x1=(int)event.getX(); y1=(int)event.getY(); Log.i("x=",String.valueOf(x1));Log.i("y=",String.valueOf(y1));testView.getXY(x1,y1);setContentView(testView); } returntrue; }}packagecom.ex06_03;importandroid.content.Context;importandroid.graphics.Canvas;importandroid.graphics.Color;importandroid.graphics.Paint;importandroid.view.View;publicclassTestViewextendsView{intx,y; publicTestView(Contextcontext) { super(context); } voidgetXY(int_x,int_y) { x=_x; y=_y; } /*下面編寫繪制小球的代碼，參見教材例6－3*/ protectedvoidonDraw(Canvascanvas){ super.onDraw(canvas);/*設(shè)置背景為青色*/canvas.drawColor(Color.CYAN);Paintpaint=newPaint();/*去鋸齒*/paint.setAntiAlias(true);/*設(shè)置paint的顏色*/paint.setColor(Color.BLACK);/*畫一個(gè)實(shí)心圓*/canvas.drawRect(x,y,x+30,y+30,paint);paint.setColor(Color.GREEN);/*canvas.drawRect(x-6,y-6,3,3,paint);*/}界面布局：<?xmlversion="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:layout_width="fill_parent"android:layout_height="fill_parent"android:orientation="vertical"><TextViewandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/hello"/></LinearLayout>實(shí)驗(yàn)結(jié)果實(shí)驗(yàn)小結(jié)簡(jiǎn)單觸摸屏事件指在觸摸屏上按下、抬起、滑動(dòng)的事件，在Android系統(tǒng)中，通過OnTouchListener監(jiān)聽接口來(lái)處理屏幕事件當(dāng)在View的范圍內(nèi)進(jìn)行按下、抬起、滑動(dòng)等動(dòng)作時(shí)都會(huì)觸發(fā)該事件。在本次試驗(yàn)中我學(xué)會(huì)了簡(jiǎn)單應(yīng)用Android觸控監(jiān)聽器來(lái)操作屏幕，雖然在實(shí)驗(yàn)中遇到了一些困難，但還是受益良多。實(shí)驗(yàn)四網(wǎng)絡(luò)訪問與服務(wù)一、實(shí)驗(yàn)?zāi)康恼莆誂ndroid網(wǎng)絡(luò)訪問方法。二、主要儀器設(shè)備及套數(shù)計(jì)算機(jī)三、實(shí)驗(yàn)內(nèi)容1.了解手機(jī)WEB網(wǎng)站訪問編程，通過HttpResponse類，讀入網(wǎng)絡(luò)數(shù)據(jù)2.通過網(wǎng)絡(luò)進(jìn)行數(shù)據(jù)訪問3.了解數(shù)據(jù)庫(kù)使用四、程序代碼publicclassslide8_3extendsActivity{PublicStingmyhttpget(Stringurl)throwsException{Stringout=null;Try{HttpClientclient=newDefaultHttpClient();HttpGetrequest=newHttpGet(url);HttpResponserequest=client.execute(request);out=EntityUtils.toString(response.getEntity());}catch(IOExceptione){e.printStackTrace();}returnout;}PublicStringmyhttppost(Stringurl,Stringname,Stringvalue)ThrowEeception{Stringout=null;try{HttpClientclient=newDefaultHttpClient();HttpPostrequest=newHttpPost(url);List<NameValuePair>postParameters=newArrayList<NameValuePair>();postParameters.add(newBasicNameValuePair(name,value));UrlEncodedFormEntity=newEncodedFormEntity=newUrlEncodedFormEntity(postParameters);request.setEntity(formEntity);HttpResponseresponse=client.execute(request);out=EntityUtils.toString(response.getEntity());}catch(IOExceptione){e.printStackTrace();}returnout;@OverridepublicvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); }FinalTextViewtextview=(TextView)findviewbyid(R.id.TextView01);FinalEditVieweditview=(EditView)findviewbyid(R.id.EditText1);finalEditTextname=(EditText)findviewbyid(R.id.EditText2);finalEditTextvalue=(EditText)findviewbyid(R.id.EditText3);Buttonbtn=(Button)this.findviewbyid(R.id.Button1);btn.setOnClickListener(newButton.OnClickListener(){Publicvoidonclick(Viewv){Try{textView.setText(myhttpget(editText.getText().toString()+”?”+name.getText().toString()+”=”+value.getText().toString()));}catch(Exceptione){e.printStackTrace();}}});Buttonbtn2=(Button)this.findviewbyid(R.id.Button2);Btn2.setOnClickListener(newButton.OnClickListener(){Publicvoidonclick(Viewv){Try{textView.setText(myhttppost(editText.getText().toString(),name.getText().toString(),value.getText().toString()));}catch(Exceptione){e.printStackTrace();}}});}}五、實(shí)驗(yàn)結(jié)果Get:Post:六、實(shí)驗(yàn)小結(jié)在這次試驗(yàn)中，我基本掌握了Android訪問網(wǎng)絡(luò)的基本方法，了解了手機(jī)WEB網(wǎng)站訪問編程，通過HttpResponse類，讀入網(wǎng)絡(luò)數(shù)據(jù)，再通過網(wǎng)絡(luò)進(jìn)行數(shù)據(jù)訪問，最后還基本學(xué)會(huì)了數(shù)據(jù)庫(kù)使用。實(shí)驗(yàn)五Android平臺(tái)下手電應(yīng)用的設(shè)計(jì)開發(fā)一、實(shí)驗(yàn)?zāi)康?.掌握Android項(xiàng)目中界面顯示的基本方法；2.掌握OnTouchListener監(jiān)聽器的設(shè)計(jì)與使用3.了解Android手機(jī)硬件API的調(diào)用方法。二、主要儀器設(shè)備及套數(shù)計(jì)算機(jī)三、實(shí)驗(yàn)內(nèi)容1.使用屏幕觸控2.調(diào)用相機(jī)的閃光點(diǎn)硬件，開啟手電功能3.暫不考慮橫屏切換四、程序代碼packagecn.lee.handlight;importandroid.app.Activity;importandroid.hardware.Camera;importandroid.hardware.Camera.Parameters;importandroid.os.Bundle;importandroid.os.Process;importandroid.view.View;importandroid.view.View.OnClickListener;importandroid.view.WindowManager;importandroid.widget.ToggleButton;publicclassHandLightActivityextendsActivityimplementsOnClickListener{ privateToggleButtontoggleButton; privateCameracamera=Camera.open(); /**Calledwhentheactivityisfirstcreated.*/ @Override publicvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.main); toggleButton=(ToggleButton)this.findViewById(R.id.tog