android实现用户登陆注册源码

【通过服务器验证】

package com.android.nxd;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.onclickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class LoginActivity extends Activity {

	private EditText mAccount;
	private EditText mPwd;
	private Button mRegisterButton;
	private Button mLoginButton;
	private Button mCancleButton;
	private View loginView;
	private View loginSuccessView;
	private TextView loginSuccessShow;
	private UserDataManager mUserDataManager;

	/** Called when the activity is first created. */
	@Override
	public void onCreate（Bundle savedInstanceState） {
		super.onCreate（savedInstanceState）;
		setContentView（R.layout.loginpage）;

		mAcco

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-02-29 22:32  TeachManageSys\
     文件         475  2016-02-29 22:32  TeachManageSys\.classpath
     文件         850  2012-06-07 14:06  TeachManageSys\.project
     目录           0  2016-02-29 22:32  TeachManageSys\.settings\
     文件         177  2016-02-29 22:32  TeachManageSys\.settings\org.eclipse.jdt.core.prefs
     文件         659  2012-06-07 15:26  TeachManageSys\AndroidManifest.xml
     目录           0  2012-06-08 10:37  TeachManageSys\assets\
     目录           0  2016-02-29 22:32  TeachManageSys\bin\
     目录           0  2016-02-29 22:32  TeachManageSys\bin\classes\
     目录           0  2016-02-29 22:32  TeachManageSys\bin\classes\com\
     目录           0  2016-02-29 22:32  TeachManageSys\bin\classes\com\android\
     目录           0  2016-02-29 22:32  TeachManageSys\bin\classes\com\android\nxd\
     文件        8813  2016-02-29 22:32  TeachManageSys\bin\classes\com\android\nxd\LoginActivity.class
     文件        1753  2016-02-29 22:32  TeachManageSys\bin\classes\com\android\nxd\UserData.class
     文件        5880  2016-02-29 22:37  TeachManageSys\bin\classes\com\android\nxd\UserDataManager$DatabaseManagementHelper.class
     文件        8890  2016-02-29 22:37  TeachManageSys\bin\classes\com\android\nxd\UserDataManager.class
     目录           0  2016-02-29 22:32  TeachManageSys\gen\
     文件         563  2012-06-07 14:02  TeachManageSys\project.properties
     目录           0  2012-06-08 10:36  TeachManageSys\res\
     目录           0  2012-06-08 10:36  TeachManageSys\res\color\
     文件         264  2010-09-17 15:02  TeachManageSys\res\color\qq_checkbox_text_color.xml
     目录           0  2012-06-08 10:36  TeachManageSys\res\drawable-hdpi\
     文件      221781  2010-09-17 15:02  TeachManageSys\res\drawable-hdpi\default_bg_hdpi.png
     文件        4147  2010-09-17 15:02  TeachManageSys\res\drawable-hdpi\icon.png
     目录           0  2012-06-08 10:36  TeachManageSys\res\drawable-ldpi\
     文件        1723  2010-09-17 15:02  TeachManageSys\res\drawable-ldpi\icon.png
     目录           0  2012-06-08 10:36  TeachManageSys\res\drawable-mdpi\
     文件         372  2010-09-17 15:02  TeachManageSys\res\drawable-mdpi\bottom.9.png
     文件         331  2010-09-17 15:02  TeachManageSys\res\drawable-mdpi\btn_check_off.png
     文件         557  2010-09-17 15:02  TeachManageSys\res\drawable-mdpi\btn_check_off_pressed.png
     文件        1024  2010-09-17 15:02  TeachManageSys\res\drawable-mdpi\btn_check_off_selected.png
............此处省略33个文件信息