利用AsyncHttpClient实现登陆

package com.xinke.app.beautifulcountry.base.login;import android.content.Intent;import android.os.Bundle;import android.text.TextUtils;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;import com.alibaba.fastjson.JSON;import com.loopj.android.http.AsyncHttpClient;import com.loopj.android.http.JsonHttpResponseHandler;import com.loopj.android.http.RequestParams;import com.xinke.app.beautifulcountry.R;import com.xinke.app.beautifulcountry.base.config.AppConfig;import com.xinke.app.beautifulcountry.core.BaseActivity;import com.xinke.app.beautifulcountry.core.BeautifulCountryActivity;import com.xinke.app.beautifulcountry.core.bean.UserInfo;import com.xinke.app.beautifulcountry.core.configmanage.ConfigurationManager;import com.xinke.app.beautifulcountry.utils.AsyncHttpClientHelper;import com.xinke.app.beautifulcountry.utils.MD5Helper;import com.xinke.app.beautifulcountry.utils.SharePrefUtil;import org.json.JSONException;import org.json.JSONObject;/** * @author 王德元 * @version V1.0 * @Description: 登录功能 * @date 2016/5/3 15:26 */public class LoginActivity extends BaseActivity implements View.OnClickListener {    public static String TAG = "deyuan";    private EditText usernameEdit;    private EditText passwordEdit;    private Button loginBtn;    private TextView registText;    private TextView forgetPasswordText;    private String username;    private String password;    private UserInfo mUser;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.login_activity);        initView();    }    @Override    protected void initView() {        usernameEdit = (EditText) findViewById(R.id.username_edit);        passwordEdit = (EditText) findViewById(R.id.password_edit);        loginBtn = (Button) findViewById(R.id.login_btn);        registText = (TextView) findViewById(R.id.regist_account);        forgetPasswordText = (TextView) findViewById(R.id.forget_password);        loginBtn.setOnClickListener(this);        registText.setOnClickListener(this);        forgetPasswordText.setOnClickListener(this);    }    @Override    public void onClick(View v) {        switch (v.getId()) {            case R.id.login_btn:                username = usernameEdit.getText().toString().trim();                password = passwordEdit.getText().toString().trim();                if (!TextUtils.isEmpty(username) && !TextUtils.isEmpty(password)) {                    login(username, password);                } else {                    Toast.makeText(this, getResources().getString(R.string.input_username_password), Toast.LENGTH_SHORT).show();                }                break;            case R.id.regist_account:                Intent intent = new Intent(this, RegisterActivity.class);                startActivity(intent);                break;            case R.id.forget_password:                break;        }    }    /**     * @param username 用户名    password 密码     * @return     * @throws     * @Description: 登录     * @author 王德元     * @date 2016/5/9 16:30     */    void login(String username, String password) {        AsyncHttpClient client = AsyncHttpClientHelper.getInstance().getHttpClient();        String url = AppConfig.HTTP_URL + AppConfig.PATH_USER_LOGIN;        RequestParams requestParams = new RequestParams();        requestParams.put("memberPhone", username);        requestParams.put("memberPassword", MD5Helper.MD5(password));        mClient.post(url, requestParams, new JsonHttpResponseHandler() {            @Override            public void onSuccess(int statusCode, JSONObject response) {                Log.i(TAG, "statusCode----" + statusCode + "---JSONObject-->" + response.toString());                try {                    int ret = parseJsonObject(response);                    if (ret == 1) {                        saveUserInfo(mUser);    //保存用户信息到数据库                        Intent intent = new Intent(LoginActivity.this, BeautifulCountryActivity.class);                        intent.putExtra("userInfo", mUser);                        startActivity(intent);                        finish();                    }                } catch (JSONException e) {                    e.printStackTrace();                }            }            @Override            public void onFailure(Throwable e, JSONObject errorResponse) {                if(errorResponse == null)                    Toast.makeText(LoginActivity.this, R.string.network_connection_is_not_available, Toast.LENGTH_SHORT).show();            }        });    }    /**     * @param response 响应对象     * @return     * @throws     * @Description: 解析响应结果     * @author 王德元     * @date 2016/5/9 13:24     */    private int parseJsonObject(final JSONObject response) throws JSONException {        int recode = -1;        if (response == null) {            return recode;        }        recode = response.getInt("recode");        if (recode == 0) {            Toast.makeText(this, getResources().getString(R.string.account_or_password_error), Toast.LENGTH_SHORT).show();        } else if (recode == 1) {            Toast.makeText(this, getResources().getString(R.string.login_success), Toast.LENGTH_SHORT).show();            JSONObject result = response.getJSONObject("result");            JSONObject bean = result.getJSONObject("bean");            mUser = JSON.parseObject(bean.toString(), UserInfo.class);            // 2016.5.30 zhenghw add start            SharePrefUtil.saveString(this, AppConfig.SHARE_PREF_USERID, mUser.getId());            SharePrefUtil.saveString(this, AppConfig.USER_ROLE, mUser.getMemberRole());            // 2016.5.30 zhenghw add end        }        return recode;    }    private void saveUserInfo(UserInfo user) {        ConfigurationManager.setUserId(this, user.getId());        ConfigurationManager.setUserRole(this, user.getMemberRole());    }}