Android Screen Activity

Activity

Responsible for user interaction with the screen. Written in Java. Activities can use one or more fragments.

Location

/app/java/com.example.*/*

Boilerplate

package com.gfg.myapplication;
 
import android.os.Bundle;
import android.widget.Button;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
 
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
 
public class MainActivity extends AppCompatActivity {
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        Button button = findViewById(R.id.button1);
        EditText editText1 = findViewById(R.id.editText1);
 
        button.setOnClickListener(new View.OnClickListener(){
           @Override
           public void onClick(View v){
               String text = editText1.getText().toString();
 
               Toast.makeText(MainActivity.this, text, Toast.LENGTH_SHORT).show();
 
           }
        });
 
    }
}