week1b

package com.example.week1b;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private TextView txt1;
    private TextView txt2;
    private EditText edit;
    private Button btn;


    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        txt1 = findViewById(R.id.textView);
        txt2 = findViewById(R.id.textView2);
        edit = findViewById(R.id.editTextText);
        btn = findViewById(R.id.button);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String s = edit.getText().toString();
                txt2.setText("Hello"+s);
            }
        });
    }
}