Develop an android application to accept username and password from the end user using TextView and EditText
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"
android:gravity="center_vertical"
android:orientation="vertical"
tools:context=".MainActivity"
android:padding="10dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Enter Username"
style="@android:style/TextAppearance.Large"/>
<EditText
android:id="@+id/etUsername"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="text"
style="@android:style/TextAppearance.Large" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Enter Password"
android:layout_marginTop="10dp"
style="@android:style/TextAppearance.Large" />
<EditText
android:id="@+id/etPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPassword"
style="@android:style/TextAppearance.Large" />
<Button android:id="@+id/btnLogin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Login"
android:layout_gravity="right"
android:layout_marginTop="20dp"
style="@android:style/TextAppearance.Large"/>
</LinearLayout>
MainActivity.java
package com.example.userloginapp;
import android.support.v7.app.AppCompatActivity;
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 etUsername, etPassword;
Button btnLogin;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
etUsername = findViewById(R.id.etUsername);
etPassword = findViewById(R.id.etPassword);
btnLogin = findViewById(R.id.btnLogin);
btnLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String uname = etUsername.getText().toString();
String pwd = etPassword.getText().toString();
if(uname.equals("admin") && pwd.equals("123")) {
Toast.makeText(getApplicationContext(), "Login Successful", Toast.LENGTH_SHORT).show();
}
else {
Toast.makeText(getApplicationContext(), "Login Unsuccessful", Toast.LENGTH_SHORT).show();
}
}
});
}
}
OUTPUT