Connect to the network via HttpClient mode

Xml:

1<relativelayout xmlns:android= "Http://schemas.android.com/apk/res/android"2Xmlns:tools= "Http://schemas.android.com/tools"3Android:layout_width= "Match_parent"4android:layout_height= "Match_parent"5android:paddingbottom= "@dimen/activity_vertical_margin"6android:paddingleft= "@dimen/activity_horizontal_margin"7android:paddingright= "@dimen/activity_horizontal_margin"8android:paddingtop= "@dimen/activity_vertical_margin"9tools:context= "Com.zzw.request.MainActivity" >Ten  One<EditText AAndroid:id= "@+id/username" -Android:layout_width= "Match_parent" -android:layout_height= "Wrap_content" theAndroid:hint= "Please enter user name"/> -  -<EditText -Android:id= "@+id/password" +Android:layout_width= "Match_parent" -android:layout_height= "Wrap_content" +android:layout_below= "@id/username" Aandroid:hint= "Enter password"/> at  -<Button -Android:id= "@+id/get" -Android:layout_width= "Match_parent" -android:layout_height= "Wrap_content" -android:layout_below= "@id/password" inandroid:onclick= "Getclient" -android:text= "Get Request"/> to  +<Button -Android:id= "@+id/post" theAndroid:layout_width= "Match_parent" *android:layout_height= "Wrap_content" $android:layout_below= "@id/get"Panax Notoginsengandroid:onclick= "Postclient" -Android:text= "POST request"/> the  +</RelativeLayout>

Java code:

1 Packagecom.zzw.httpClient; 2 3ImportJava.io.ByteArrayOutputStream; 4Importjava.io.IOException; 5ImportJava.io.InputStream; 6Importjava.util.ArrayList; 7Importjava.util.List; 8 9Importorg.apache.http.HttpEntity;10ImportOrg.apache.http.HttpResponse;11ImportOrg.apache.http.NameValuePair;12Importorg.apache.http.client.ClientProtocolException;13Importorg.apache.http.client.HttpClient;14Importorg.apache.http.client.entity.UrlEncodedFormEntity;15ImportOrg.apache.http.client.methods.HttpGet;16ImportOrg.apache.http.client.methods.HttpPost;17Importorg.apache.http.impl.client.DefaultHttpClient;18Importorg.apache.http.impl.conn.DefaultClientConnection;19ImportOrg.apache.http.message.BasicNameValuePair;20 21Importandroid.app.Activity;22ImportAndroid.os.Bundle;23ImportAndroid.view.Menu;24ImportAndroid.view.MenuItem;25ImportAndroid.view.View;26ImportAndroid.widget.EditText;27ImportAndroid.widget.Toast;28 29 Public classMainactivityextendsActivity {EditText Username_et =NULL; EditText Password_et =NULL; 32 33@Override34protected voidonCreate (Bundle savedinstancestate) {35Super. OnCreate (savedinstancestate);36Setcontentview (r.layout.activity_main);PNS Username_et =(EditText) Findviewbyid (r.id.username);Password_et =(EditText) Findviewbyid (R.id.password);39     } 40 41 Public voidgetclient (view view) {42NewThread (NewRunnable () {43@Override44 Public voidrun () {45Try { 46//1. Get a client, equivalent to a browserHttpClient client =Newdefaulthttpclient ();48//2. Define a GET request, and encapsulate the parametersThe String data = "Username=" + username_et.gettext (). toString () + "&password=" 50 +Password_et.gettext (). toString ();Wuyi HttpGet get =NewHttpGet ("Http://10.0.2.2:8080/baidu/LoginServelt?" +data); 52//3. Use a well-defined browser to request an addressHttpResponse response =Client.execute (get);54intStatus =response.getstatusline (). Getstatuscode ();55if(Status = = 200) { 56FinalString content =Getstringfromstream (Response.getentity (). getcontent ());Runonuithread (NewRunnable () {58@Override59 Public voidrun () {Toast.maketext (mainactivity. This, "Return info:" + content, 0). Show (); 61                             } 62                         }); 63 64                     } 65}Catch(clientprotocolexception e) {66//TODO auto-generated Catch block67e.printstacktrace ();68}Catch(IOException e) {69//TODO auto-generated Catch block70e.printstacktrace ();71                 } 72 73             } 74}). Start (); 75     } 76 77 Public voidpostclient (view view) {78NewThread (NewRunnable () {79@Override80 Public voidrun () {81Try { 82//1. Get ClientHttpClient client =Newdefaulthttpclient ();84//2. Get post request and set parametersHttpPost post =NewHttpPost ("Http://10.0.2.2:8080/baidu/LoginServelt"); list<namevaluepair> parameters =NewArraylist<namevaluepair>(); Namevaluepair Nameuser =NewBasicnamevaluepair ("username", Username_et.gettext (). toString ()); Namevaluepair PassWord =NewBasicnamevaluepair ("PassWord", Password_et.gettext (). toString ()); 89Parameters.Add (nameuser);90Parameters.Add (PassWord);httpentity entity =NewUrlencodedformentity (Parameters, "UTF-8"); 93post.setentity (entity);94//3. Perform POST requestHttpResponse response =Client.execute (POST);96intStatus =response.getstatusline (). Getstatuscode ();97if(Status = = 200) { 98FinalString content =Getstringfromstream (Response.getentity (). getcontent ());Runonuithread (NewRunnable () {100 101@Override102 Public voidrun () {103 Toast.maketext (mainactivity. This, "POST:" +content,0). Show ();104                             }105                         });106 107 108                     }109}Catch(clientprotocolexception e) {110//TODO auto-generated Catch block111e.printstacktrace ();112}Catch(IOException e) {113//TODO auto-generated Catch block114e.printstacktrace ();115                 }116             }117}). Start ();118     }119 120 PublicString Getstringfromstream (InputStream in)throwsIOException {121byte[] buffer =New byte[1024];122 Bytearrayoutputstream ByteArray =NewBytearrayoutputstream ();123intLeng = 0;124 while((Leng = in.read (buffer, 0, 1024))! =-1) {125bytearray.write (buffer);126         }127 String content =bytearray.tostring ();128bytearray.close ();129returncontent;130     }131}

Connect to the network via HttpClient mode