另一个http实例

HttpActivity.java

package src.com;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class HttpActivity extends Activity {

private Button mButton1, mButton2;
private TextView mTextView1;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

mButton1 = (Button) findViewById(R.id.myButton1);
mButton2 = (Button) findViewById(R.id.myButton2);
mTextView1 = (TextView) findViewById(R.id.myTextView1);

mButton1.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View v) {
String uriAPI = "http://www.sina.com";

HttpPost httpRequest = new HttpPost(uriAPI);
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("str", "post string"));
try{
httpRequest.setEntity(new UrlEncodedFormEntity(params,
HTTP.UTF_8));
HttpResponse httpResponse = new DefaultHttpClient().execute(httpRequest);

if(httpResponse.getStatusLine().getStatusCode() == 200 ){
String strResult = EntityUtils.toString(httpResponse.getEntity());
mTextView1.setText(strResult);
}else{
mTextView1.setText("Error Response: "
+ httpResponse.getStatusLine().toString());
}
}catch(ClientProtocolException e){
mTextView1.setText(e.getMessage().toString());
e.printStackTrace();
} catch (IOException e) {
mTextView1.setText(e.getMessage().toString());
e.printStackTrace();
} catch (Exception e) {
mTextView1.setText(e.getMessage().toString());
e.printStackTrace();
}
}

});

mButton2.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View v) {
String uriAPI = "http://www.sina.com";

HttpGet httpRequest = new HttpGet(uriAPI);

try{
HttpResponse httpResponse = new DefaultHttpClient().execute(httpRequest);

if(httpResponse.getStatusLine().getStatusCode() == 200){
String strResult = EntityUtils.toString(httpResponse.getEntity());
strResult = eregi_replace("(\r\n|\r|\n|\n\r)","",strResult);
mTextView1.setText(strResult);
}else{
mTextView1.setText("Error Response: "
+ httpResponse.getStatusLine().toString());
}
}catch(ClientProtocolException e){
mTextView1.setText(e.getMessage().toString());
e.printStackTrace();
} catch (IOException e) {
mTextView1.setText(e.getMessage().toString());
e.printStackTrace();
} catch (Exception e) {
mTextView1.setText(e.getMessage().toString());
e.printStackTrace();
}
}
});
}

public String eregi_replace(String strFrom,String strTo,
String strTarget) {
String strPattern = "(?i)" + strFrom;
Pattern p = Pattern.compile(strPattern);
Matcher m = p.matcher(strTarget);
if(m.find()){
return strTarget.replaceAll(strFrom, strTo);
}else{
return strTarget;
}
}
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="src.com"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk android:minSdkVersion="7" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
<uses-permission android:name="android.permission.INSTALL_PACKAGES" />"

</manifest>

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="@drawable/white" >

<TextView
android:id="@+id/myTextView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/title" />
<Button
android:id="@+id/myButton1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/str_button1" />
<Button
android:id="@+id/myButton2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/str_button2" />"

</LinearLayout>