Android - Login Request Example

This tutorial is moderated from http://www.edumobile.org/android/android-development/login-request-example-in-android/ .

1) Run Eclipse.

2) Create New Android Application. Type name "LoginRequestTest".


3) Accept Default Project Configuration. Click Next.

4) Accept Default Launcher Configuration. Click Next.

5) Select New Blank Activity. Click Next.

6) Accept Default Activity and Layout name. Click Finish.

7) Edit the codes.
7.1) MainActivity.Java

ppackage com.example.loginrequesttest;

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.Toast;
 
public class MainActivity extends Activity {
 
    EditText txtUserName;
     EditText txtPassword;
     Button btnLogin;
     Button btnCancel;
      
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        txtUserName=(EditText)this.findViewById(R.id.txtUname);
        txtPassword=(EditText)this.findViewById(R.id.txtPwd);
        btnLogin=(Button)this.findViewById(R.id.btnLogin);
        btnLogin=(Button)this.findViewById(R.id.btnLogin);
        btnLogin.setOnClickListener(new OnClickListener() {
    
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
     
    if((txtUserName.getText().toString()).equals(txtPassword.getText().toString())){
           Toast.makeText(MainActivity.this, "Login Successful",Toast.LENGTH_LONG).show();
          } else{
           Toast.makeText(MainActivity.this, "Invalid Login",Toast.LENGTH_LONG).show();
          }
     
   }
  });       
    }
      
}

7.2) activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
 
    <TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:stretchColumns="1">
      
<TableRow> 
 <TextView 
 android:text="User Name: "
 android:id="@+id/TextView01"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content">
 </TextView>
  
 <EditText 
 android:text=""
 android:id="@+id/txtUname"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content">
 </EditText>
</TableRow>
 
 
<TableRow>
 <TextView 
 android:text="Password: "
 android:id="@+id/TextView02"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content">
 </TextView>
 
 
 <EditText 
 android:text=""
 android:id="@+id/txtPwd"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:password="true">
 </EditText>
</TableRow>
 
 
<TableRow>
 <Button
 android:text="Cancel"
 android:id="@+id/btnCancel"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content">
 </Button>
 
 
 <Button
 android:text="Login"
 android:id="@+id/btnLogin"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content">
 </Button>
 
 
</TableRow>
 
 
</TableLayout>
 
</RelativeLayout>

8) Run


8.1) Enter Username/password as "user/user"