Android Open Source - GPA L O G I N

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License

The source code is released under:

Apache License

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Java Source Code

package com.bishal.android.taskmanager;
//from  w w  w .ja va 2  s.  co m
import com.bishal.android.taskmanager.ViewTasksActivity;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class LOGIN extends Activity {

   EditText et_email;
   EditText et_password;
   AlertDialogManager alert = new AlertDialogManager();
  private Button hit_login;
  private DbHelper Dbinformer;
  //Toast toast;
  

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.login);
    Dbinformer =new DbHelper(this);
    et_email=(EditText)findViewById(R.id.edit_login_email);
    et_password=(EditText)findViewById(R.id.edit_login_password);
    hit_login=(Button)findViewById(R.id.login);
    hit_login.setOnClickListener(new View.OnClickListener() {
      
      public void onClick(View v) {
        // TODO Auto-generated method stub
      
        String emailValue=et_email.getText().toString();
        String passwordValue=et_password.getText().toString();
        
/*        public boolean isEmailValid(String emailValue)
        {
               String regExpn =
                   "^(([\\w-]+\\.)+[\\w-]+|([a-zA-Z]{1}|[\\w-]{2,}))@"
                       +"((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
                         +"[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\."
                         +"([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
                         +"[0-9]{1,2}|25[0-5]|2[0-4][0-9])){1}|"
                         +"([a-zA-Z]+[\\w-]+\\.)+[a-zA-Z]{2,4})$";

           CharSequence inputStr = emailValue;
           Pattern pattern = Pattern.compile(regExpn,Pattern.CASE_INSENSITIVE);
            Matcher matcher = pattern.matcher(inputStr);

           if(matcher.matches())
              return true;
           else
             alert.showAlertDialog(LOGIN.this, "Login failed..", "Invalid Email Address", false);
              return false;
      }*/
        
        if(emailValue.trim().length() > 0 && passwordValue.trim().length() > 0){
          if(Dbinformer.validateuser(emailValue, passwordValue)){
          Intent intent=new Intent(LOGIN.this,ViewTasksActivity.class);
          startActivity(intent);
        }
      else{
//        Toast.makeText(getApplicationContext(),"Wrong username/password",Toast.LENGTH_SHORT).show();
//        Intent intent=getIntent();
//        finish();
//        startActivity(intent);
        alert.showAlertDialog(LOGIN.this, "Login failed..", "Email/Password is incorrect", false);
      }
        }
        else{
                    alert.showAlertDialog(LOGIN.this, "Login failed..", "Please enter empty fields", false);
      
      }
      
      }
    });
    
    
  
  }

}

Java Source Code List