LoginActivity.java

package cn.fanfan.welcome;

import org.apache.http.Header;
import org.json.JSONException;
import org.json.JSONObject;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.PersistentCookieStore;
import com.loopj.android.http.RequestParams;
import com.umeng.analytics.MobclickAgent;

import cn.fanfan.common.Config;
import cn.fanfan.common.FanfanSharedPreferences;
import cn.fanfan.common.GlobalVariables;
import cn.fanfan.main.MainActivity;
import cn.fanfan.main.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class LoginActivity extends Activity {
	private EditText userNameEditText;
	private EditText passwdEditText;
	private Button button;
	private AsyncHttpClient client;
	private PersistentCookieStore myCookieStore;
	private RequestParams params;
	private Button noButton;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.login);
		init();
	}

	private void init() {
		// TODO Auto-generated method stub
		userNameEditText = (EditText) findViewById(R.id.login_username);
		passwdEditText = (EditText) findViewById(R.id.login_passwd);
		button = (Button) findViewById(R.id.login_ok);
		noButton = (Button) findViewById(R.id.login_no);
		client = new AsyncHttpClient();
		myCookieStore = new PersistentCookieStore(LoginActivity.this);
		client.setCookieStore(myCookieStore);
		params = new RequestParams();
		button.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				params.put("user_name", userNameEditText.getText().toString());
				params.put("password", passwdEditText.getText().toString());
				login();
			}
		});
		noButton.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				finish();
			}
		});
	}

	public void login() {
		client.post(LoginActivity.this,
				Config.getValue("Login"), params,
				new AsyncHttpResponseHandler() {

					@Override
					public void onSuccess(int arg0, Header[] arg1, byte[] arg2) {
						// TODO Auto-generated method stub
						try {
							JSONObject jsonObject = new JSONObject(new String(
									arg2));
							int errno = jsonObject.getInt("errno");
							if (errno == -1) {
								String err = jsonObject.getString("err");
								Toast.makeText(LoginActivity.this, err,
										Toast.LENGTH_SHORT).show();
							} else {

								// GlobalVariables.COOKIE_Store = myCookieStore;
								String rsm = jsonObject.getString("rsm");
								JSONObject jsonObject2 = new JSONObject(rsm);
								String uid = jsonObject2.getString("uid");
								String user_name = jsonObject2
										.getString("user_name");
								String avatar_file = jsonObject2
										.getString("avatar_file");
								GlobalVariables.USER_NAME = user_name;
								GlobalVariables.uSER_IMAGE_URL = avatar_file;

								FanfanSharedPreferences sharedPreferences = new FanfanSharedPreferences(
										LoginActivity.this);
								sharedPreferences.setUid(uid);
								sharedPreferences.setLogInStatus(true);
								sharedPreferences.setUserName(user_name);
								sharedPreferences.setPasswd(passwdEditText
										.getText().toString());

								Intent intent = new Intent(LoginActivity.this,
										MainActivity.class);
								startActivity(intent);
								Toast.makeText(LoginActivity.this, "��¼�ɹ�",
										Toast.LENGTH_SHORT).show();
								finish();
							}
						} catch (JSONException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}
					}

					@Override
					public void onFailure(int arg0, Header[] arg1, byte[] arg2,
							Throwable arg3) {
						// TODO Auto-generated method stub
						Toast.makeText(LoginActivity.this, "��¼ʧ��", Toast.LENGTH_SHORT)
								.show();
					}
				});
	}

	public void onResume() {
		super.onResume();
		MobclickAgent.onResume(this);
	}

	public void onPause() {
		super.onPause();
		MobclickAgent.onPause(this);
	}
}