使用异步HttpClient框架发送get、post请求

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public class MainActivity extends Activity {    Handler handler = new Handler(){        public void handleMessage(android.os.Message msg) {            Toast.makeText(MainActivity.this, (String)msg.obj, 0).show();        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    public void click1(View v){        //获取用户输入的账号密码        EditText et_name = (EditText) findViewById(R.id.et_name);        EditText et_pass = (EditText) findViewById(R.id.et_pass);            String name = et_name.getText().toString();        String pass = et_pass.getText().toString();                String path = "http://169.254.244.136/Web2/servlet/Login";        //使用异步HttpClient发送get请求        AsyncHttpClient client = new AsyncHttpClient();                //把要提交的数据封装在rp对象中        RequestParams rp = new RequestParams();        rp.put("name", name);        rp.put("pass", pass);        //发送get请求        client.get(path, rp, new MyHandler());    }        class MyHandler extends AsyncHttpResponseHandler{        //请求成功时回调，相应码为200        @Override        public void onSuccess(int statusCode, Header[] headers,                byte[] responseBody) {            Toast.makeText(MainActivity.this, new String(responseBody), 0).show();        }        //请求失败时回调，相应码不为200        @Override        public void onFailure(int statusCode, Header[] headers,                byte[] responseBody, Throwable error) {            Toast.makeText(MainActivity.this, "请求失败", 0).show();        }            }            public void click2(View v){        //获取用户输入的账号密码        EditText et_name = (EditText) findViewById(R.id.et_name);        EditText et_pass = (EditText) findViewById(R.id.et_pass);            String name = et_name.getText().toString();        String pass = et_pass.getText().toString();                String path = "http://169.254.244.136/Web2/servlet/Login";                //使用异步HttpClient发送post请求        AsyncHttpClient client = new AsyncHttpClient();                //把要提交的数据封装在rp对象中        RequestParams rp = new RequestParams();        rp.put("name", name);        rp.put("pass", pass);        //发送get请求        client.post(path, rp, new MyHandler());    }    }