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安卓开发中用户的注册和登陆实现 Android开发中实现用户注册和登陆的代码实例分享

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在android的应用中越来越多的包含了网络互动功能,这就带来了注册,登陆账号功能。本文完整的介绍对话框的方式实现用户登陆功能。

登陆效果: 应用程序判断当前用户还未登陆,弹出登陆对话框,用户输入账号和密码信息后,传到服务器验证,验证成功后,现实Toast 成功信息,并转到其他界面。

2015121161004202.jpg (480×800)

注册效果:用户如没有账号,则点击登陆对话框的 "没有账号,快速注册账号", 弹出注册界面,用户输入注册信息,点击注册按钮,注册成功后,弹出toast信息"注册成功",完成注册后,转到其他功能界面。

2015121161036365.jpg (480×800)

整个功能大体上分两块:登陆对话框:输入登陆信息,实现登陆功能,转到注册界面。注册对话框:输入注册信息,实现注册功能。

对话框界面布局xml文件:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
 xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:orientation="vertical">
  
  <TextView
   android:id="@+id/txt_loginerror"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:textColor="#ff0000"
   android:text="输入的账号和密码不正确"
   android:gravity="left"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   android:visibility="invisible"
  />
  
  
  <TextView
   android:id="@+id/username"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:text="账号"
   android:gravity="left"
   android:textAppearance="?android:attr/textAppearanceMedium" 
  />
   
  <EditText
   android:id="@+id/txt_username"
   android:layout_height="wrap_content"
   android:layout_width="fill_parent"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:autoText="false"
   android:capitalize="none"
   android:gravity="fill_horizontal"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   />
  <TextView
   android:id="@+id/password"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   android:text="密码"
   android:gravity="left"
   />
  <EditText
   android:id="@+id/txt_password"
   android:layout_height="wrap_content"
   android:layout_width="fill_parent"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:autoText="false"
   android:capitalize="none"
   android:gravity="fill_horizontal"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   />
   
    <TextView
   android:id="@+id/txt_toregister"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:textColor="#2200C1"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   android:text="没有账号?快速注册"
   android:gravity="left"
   />
   
</LinearLayout>

后台业务逻辑:

/*
  * 创建用户登陆的对话框
  * 登陆界面包含两个按钮
  * 1按钮为登陆
  * 2按钮为不登陆试玩
  * */
  private void CreateLoginAlert()
  {
    AlertDialog.Builder ad =new AlertDialog.Builder(this);
    ad.setTitle("账号登陆");
    ad.setView(ViewUtility.GetView(this,R.layout.sub_logindialog));
    adi= ad.create();
    
  
  /*   
    */
    adi.setButton("登陆", new OnClickListener(){
      @Override
      public void onClick(DialogInterface arg0, int arg1) {
      
        EditText password=  (EditText)adi.findViewById(R.id.txt_password);
        EditText account =(EditText)adi.findViewById(R.id.txt_username);
        
        PassWord=password.getText().toString();
        Account=account.getText().toString();
        //生成登陆对话框
        m_Dialog=ProgressDialog.show(Main.this, "请等待...", "正在为你登陆...",true);
        mRedrawHandler.sleep(100);    
      }
    });
    
    adi.setButton2("试 玩", new OnClickListener(){
      @Override
      public void onClick(DialogInterface arg0, int arg1) {
        ViewUtility.NavigateActivate(Main.this, SelectTheme.class);
      }
    });
    
    adi.show(); 
    
    
    //设置注册点击事件
    TextView register=(TextView)adi.findViewById(R.id.txt_toregister);
    register.setOnClickListener(new TextView.OnClickListener()
    {
     public void onClick(View v){
       //创建注册对话框
      CreateRegisterAlert();
       adi.dismiss();
       
     }
   });
    
  }
  
  /*
  *定时线程做验证用
  * */
  private RefreshHandler mRedrawHandler = new RefreshHandler();
  
  class RefreshHandler extends Handler {
    @Override
    public void handleMessage(Message msg) {
       
      try{
        
        //调用网络接口,实现登陆指令
       Boolean flags=  UserDataServiceHelper.Login(Account, PassWord);  
       if(flags)  
       {
        //保存登陆信息
        UserDataWriteHelper uw=new UserDataWriteHelper(Main.this);
        uw.SaveUserInfoInDB("xuwenbing", Account);
        //提示登陆成功
        Toast.makeText(Main.this, "登陆成功", Toast.LENGTH_SHORT).show();    
        //转到主题页面
         ViewUtility.NavigateActivate(Main.this, SelectTheme.class);
       }else
       {
        //失败 显示错误信息
        Toast.makeText(Main.this, "登陆失败", Toast.LENGTH_SHORT).show();
        adi.show();
        adi.findViewById(R.id.txt_loginerror).setVisibility(View.VISIBLE);
        }
      }
      catch(Exception e)
      {
        e.printStackTrace();              
      }
      finally{
        m_Dialog.dismiss();    
      }
    }
    public void sleep(long delayMillis) {
      this.removeMessages(0);
      sendMessageDelayed(obtainMessage(0), delayMillis);
    }
  };

对话框界面布局xml文件:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
 xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:orientation="vertical">
  
  <LinearLayout
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:orientation="horizontal"
  android:gravity="center"
  >
  <TextView
   android:id="@+id/txt_loginerror"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:textColor="#ff0000"
   android:text="输入的账号和密码不正确"
   android:gravity="left"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   android:visibility="invisible"
  />
  </LinearLayout>
  
  <LinearLayout
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:orientation="horizontal"
  
  >
  <TextView
   android:id="@+id/username"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:text="账号"
   android:gravity="left"
   android:textAppearance="?android:attr/textAppearanceMedium" 
  />
   
  <EditText
   android:id="@+id/txt_username"
   android:layout_height="wrap_content"
   android:layout_width="fill_parent"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:autoText="false"
   android:capitalize="none"
   android:gravity="fill_horizontal"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   />
   </LinearLayout>
   
    <LinearLayout
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:orientation="horizontal"
  
  >
  <TextView
   android:id="@+id/password"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   android:text="密码"
   android:gravity="left"
   />
  <EditText
   android:id="@+id/txt_password"
   android:layout_height="wrap_content"
   android:layout_width="fill_parent"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:autoText="false"
   android:capitalize="none"
   android:gravity="fill_horizontal"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   />
   </LinearLayout>
    <LinearLayout
   android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   android:orientation="horizontal"
  >
    <TextView
   android:id="@+id/nicename"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   android:text="昵称"
   android:gravity="left"
   />
  <EditText
   android:id="@+id/txt_nicename"
   android:layout_height="wrap_content"
   android:layout_width="fill_parent"
   android:layout_marginLeft="20dip"
   android:layout_marginRight="20dip"
   android:autoText="false"
   android:capitalize="none"
   android:gravity="fill_horizontal"
   android:textAppearance="?android:attr/textAppearanceMedium" 
   />
  
  </LinearLayout>
   
</LinearLayout>

后台业务逻辑:

/*创建注册对话框*/
  private void CreateRegisterAlert()
  {
    //registerdialog
    AlertDialog.Builder ad =new AlertDialog.Builder(this);
    ad.setTitle("注册账号");
    ad.setView(ViewUtility.GetView(this,R.layout.sub_registerdialog));
    registerdialog= ad.create();
    
    registerdialog.setButton("注册", new OnClickListener(){
      @Override
      public void onClick(DialogInterface arg0, int arg1) {
      
        EditText password=  (EditText)registerdialog.findViewById(R.id.txt_password);
        EditText account =(EditText)registerdialog.findViewById(R.id.txt_username);
        EditText nicename =(EditText)registerdialog.findViewById(R.id.txt_nicename);
        
        PassWord=password.getText().toString();
        Account=account.getText().toString();
        NiceName=nicename.getText().toString();
        //生成注册对话框
        m_Dialog=ProgressDialog.show(Main.this, "请等待...", "正在为你注册...",true);
        mRegsiterHandler.sleep(100);    
      }
    });
    
    registerdialog.setButton2("试 玩", new OnClickListener(){
      @Override
      public void onClick(DialogInterface arg0, int arg1) {
        ViewUtility.NavigateActivate(Main.this, SelectTheme.class);
      }
    });
    
    registerdialog.show();   
  }
  /*
  *定时注册程序
  * */
  private RegsiterHandler mRegsiterHandler = new RegsiterHandler();
  
  class RegsiterHandler extends Handler {
    @Override
    public void handleMessage(Message msg) {
       
      try{
        
        //调用网络接口,实现注册指令
       Boolean flags=  UserDataServiceHelper.Register(Account, PassWord,NiceName);  
       if(flags)  
       {
        //保存注册信息
        UserDataWriteHelper uw=new UserDataWriteHelper(Main.this);
        uw.SaveUserInfoInDB("xuwenbing", Account);
        //提示注册成功
        Toast.makeText(Main.this, "注册成功", Toast.LENGTH_SHORT).show();    
        //转到主题页面
         ViewUtility.NavigateActivate(Main.this, SelectTheme.class);
       }else
       {
        //失败 显示错误信息
        Toast.makeText(Main.this, "注册失败", Toast.LENGTH_SHORT).show();
        registerdialog.show();
        registerdialog.findViewById(R.id.txt_loginerror).setVisibility(View.VISIBLE);
        }
      }
      catch(Exception e)
      {
        e.printStackTrace();              
      }
      finally{
        m_Dialog.dismiss();    
      }
    }
    public void sleep(long delayMillis) {
      this.removeMessages(0);
      sendMessageDelayed(obtainMessage(0), delayMillis);
    }
  };

两个网络接口功能:

//调用网络接口,实现登陆指令
Boolean flags=  UserDataServiceHelper.Login(Account, PassWord); 
//调用网络接口,实现注册指令
Boolean flags=  UserDataServiceHelper.Register(Account, PassWord,NiceName); 

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