import android.view.*;
import android.widget.*;
import android.content.Context;

public class main {
  public static View main(final Context context) {
    ScrollView sv = new ScrollView(context);
    LinearLayout ll = new LinearLayout(context);
    ll.setOrientation(LinearLayout.VERTICAL);
    
    LinearLayout line1 = new LinearLayout(context);
    
    TextView label = new TextView(context);
    label.setText("Run which snippet ID?");
    line1.addView(label);
    
    final EditText tv = new EditText(context);
    tv.setText("675");
    line1.addView(tv);
    
    Button btnGo = new Button(context);
    btnGo.setText("Go");
    line1.addView(btnGo);
    
    ll.addView(line1);
    
    btnGo.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        String text = "Running: " + tv.getText();
        Toast.makeText(context, text, 2000).show();
      }
    });

    sv.addView(ll);
    return sv;
  }
}

Began life as a copy of #676