HttpClient网络通信的测试

public class MainActivity extends Activity {
private Button button_get,button_post;
private TextView textView;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

button_get = (Button) findViewById(R.id.button1);
button_post = (Button) findViewById(R.id.button2);
textView = (TextView) findViewById(R.id.tv);
button_get.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
String url = "";//自己选择路劲
HttpGet getrequest = new HttpGet(url);
HttpClient client = new DefaultHttpClient();
try {
HttpResponse response = client.execute(getrequest);
if(response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
String entity = EntityUtils.toString(response.getEntity());
textView.setText(entity);
}else{
textView.setText("网络错误");
}
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

});

button_post.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
String url = "";//自己选择路劲
HttpPost request_post = new HttpPost(url);
List<NameValuePair> pairs = new ArrayList<NameValuePair>();
pairs.add(new BasicNameValuePair("pairs", "request_post"));
HttpClient client = new DefaultHttpClient();
try{
HttpEntity entity = new UrlEncodedFormEntity(pairs,"UTF-8");
request_post.setEntity(entity);
HttpResponse response = client.execute(request_post);
if(response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
String str = EntityUtils.toString(response.getEntity());
textView.setText(str);
}else{
textView.setText("网络错误");
}
}catch (Exception e) {
// TODO: handle exception
}
}});
}
}