rm8
q1.
activity_login.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical">
<TableLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20dp">
<TableRow>
<TextView
android:text="Username:"
android:paddingRight="10dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<EditText
android:id="@+id/editTextUsername"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</TableRow>
<TableRow>
<TextView
android:text="Password:"
android:paddingRight="10dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<EditText
android:id="@+id/editTextPassword"
android:inputType="textPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</TableRow>
<TableRow>
<Button
android:id="@+id/buttonLogin"
android:text="Login"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal" />
</TableRow>
</TableLayout>
</LinearLayout>
activity_dashboard.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView
android:text="Welcome to Dashboard Activity!"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20sp"
android:layout_margin="20dp" />
</LinearLayout>
LoginActivity.java
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
public class LoginActivity extends AppCompatActivity {
private EditText editTextUsername, editTextPassword;
private Button buttonLogin;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
editTextUsername = findViewById(R.id.editTextUsername);
editTextPassword = findViewById(R.id.editTextPassword);
buttonLogin = findViewById(R.id.buttonLogin);
buttonLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String username = editTextUsername.getText().toString();
String password = editTextPassword.getText().toString();
// Perform basic validation
if (username.equals("admin") && password.equals("admin")) {
// Login successful, navigate to dashboard activity
Intent intent = new Intent(LoginActivity.this, DashboardActivity.class);
startActivity(intent);
} else {
// Login failed, display error message
Toast.makeText(LoginActivity.this, "Invalid credentials!", Toast.LENGTH_SHORT).show();
}
}
});
}
}
DashboardActivity.java
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
public class DashboardActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_dashboard);
}
}