android下asynchttp库对于session的支持

package example.com.sessiontest;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.PersistentCookieStore;

import cz.msebera.android.httpclient.Header;
import cz.msebera.android.httpclient.client.CookieStore;
import cz.msebera.android.httpclient.client.protocol.ClientContext;
import cz.msebera.android.httpclient.cookie.Cookie;
import cz.msebera.android.httpclient.protocol.HttpContext;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

Button testButton = (Button)findViewById(R.id.button);
testButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {

AsyncHttpClient client = new AsyncHttpClient();

HttpContext httpContext = client.getHttpContext();
CookieStore cookies = (CookieStore) httpContext.getAttribute(ClientContext.COOKIE_STORE);//获取AsyncHttpClient中的CookieStore
if(cookies!=null){
for(Cookie c:cookies.getCookies()){
System.out.println("main before ~~" + c.getName() + c.getValue());
}
}else{
System.out.println("main  before~~" + "cookies is null");
}
PersistentCookieStore myCookieStore = new PersistentCookieStore(MainActivity.this);
client.setCookieStore(myCookieStore);
httpContext = client.getHttpContext();
cookies = (CookieStore) httpContext.getAttribute(ClientContext.COOKIE_STORE);
if(cookies!=null){
for(Cookie c:cookies.getCookies()){
System.out.println("main after ~~" + c.getName() + c.getValue());
}
}else{
System.out.println("main  after~~" + "cookies is null");
}

client.get("http://192.168.0.150:8080/test", new AsyncHttpResponseHandler() {

@Override
public void onStart() {
// called before request is started
}

@Override
public void onSuccess(int statusCode, Header[] headers, byte[] response) {
String responseString = new String(response);
System.out.println(responseString);
}

@Override
public void onFailure(int statusCode, Header[] headers, byte[] errorResponse, Throwable e) {
// called when response HTTP status is "4XX" (eg. 401, 403, 404)
}

@Override
public void onRetry(int retryNo) {
// called when request is retried
}
});
}
});
}
}