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:orientation="vertical"
android:gravity="center"
tools:context=".MainActivity">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button One"
android:textSize="26dp"
android:textStyle="bold"
android:textColor="@color/black"
android:layout_margin="5dp"
android:id="@+id/button1"/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button Two"
android:textSize="26dp"
android:layout_margin="5dp"
android:textStyle="bold"
android:textColor="@color/black"
android:id="@+id/button2"/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button Three"
android:textSize="26dp"
android:layout_margin="5dp"
android:textStyle="bold"
android:textColor="@color/black"
android:id="@+id/button3"/>
</LinearLayout>
ActivityMain.Java
package in.app.androidpro.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
private Button button1, button2,button3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button1 = findViewById(R.id.button1);
button2 = findViewById(R.id.button2);
button3 = findViewById(R.id.button3);
button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this,MainActivity2.class);
startActivity(intent);
}
});
button2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent1 = new Intent(MainActivity.this,MainActivity3.class);
startActivity(intent1);
}
});
button3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent2 = new Intent(MainActivity.this,MainActivity4.class);
startActivity(intent2);
}
});
}
}