Program for Log in using username and password |Android Program|

Activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   
xmlns:app="http://schemas.android.com/apk/res-auto"
   
xmlns:tools="http://schemas.android.com/tools"
   
android:layout_width="match_parent"
    
android:layout_height="match_parent"
   
tools:context=".MainActivity"
   
android:orientation="vertical">

    <
EditText
       
android:id="@+id/editText1"
       
android:layout_width="match_parent"
       
android:layout_height="wrap_content"
       
android:layout_marginTop="50sp"
       
android:ems="10"
       
android:inputType="textPersonName"
       
android:hint="enter username" />

    <
EditText
       
android:id="@+id/editText2"
       
android:layout_width="match_parent"
       
android:layout_height="wrap_content"
       
android:ems="10"
       
android:inputType="textPassword"
       
android:hint="enter password" />

    <
Button
       
android:id="@+id/button"
       
android:layout_width="wrap_content"
       
android:layout_height="wrap_content"
       
android:layout_marginTop="30sp"
       
android:layout_gravity="center"
       
android:text="login" />
</
LinearLayout>

MainActivity.java
package com.example.login;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    EditText
e1,e2;
    Button
b1;


   
@Override
   
protected void onCreate(Bundle savedInstanceState) {
       
super.onCreate(savedInstanceState);
        setContentView(R.layout.
activity_main);

       
e1=findViewById(R.id.editText1);
       
e2=findViewById(R.id.editText2);
       
b1=findViewById(R.id.button);

       
b1.setOnClickListener(new View.OnClickListener() {
           
@Override
           
public void onClick(View v) {
                String uname=
e1.getText().toString();
                String pass=
e2.getText().toString();

               
if(uname.equals("college") && pass.equals("12345")){
                    Intent intent=
new Intent(MainActivity.this,loginActivity.class);
                    startActivity(intent);
                }
               
else {
                    Toast.makeText(MainActivity.
this,"Your username or password is wrong!!",Toast.LENGTH_LONG).show();
                }
            }
        });
    }
}

Activity_login.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
   
xmlns:app="http://schemas.android.com/apk/res-auto"
   
xmlns:tools="http://schemas.android.com/tools"
   
android:layout_width="match_parent"
   
android:layout_height="match_parent"
   
tools:context=".loginActivity"
   
android:background="@color/colorAccent">

    <
TextView
       
android:id="@+id/textView"
       
android:textSize="20dp"
       
android:layout_width="wrap_content"
       
android:layout_height="wrap_content"
       
android:text="Welcome to Login screen"
       
app:layout_constraintBottom_toBottomOf="parent"
       
app:layout_constraintEnd_toEndOf="parent"
       
app:layout_constraintStart_toStartOf="parent"
       
app:layout_constraintTop_toTopOf="parent" />
</
androidx.constraintlayout.widget.ConstraintLayout>

LoginActivity.java
package com.example.login;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.Toast;

public class loginActivity extends AppCompatActivity {

   
@Override
   
protected void onCreate(Bundle savedInstanceState) {
       
super.onCreate(savedInstanceState);
        setContentView(R.layout.
activity_login);

        Toast.makeText(loginActivity.
this,"You are successfully logged in",Toast.LENGTH_LONG).show();
    }
}


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