[안드로이드] 토스트(Toast) 팝업 구현

public class MainActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        Button button = (Button) findViewById(R.id.button);
        
        button.setOnClickListener(new Button.OnClickListener() {
           public void onClick(View v) {
            Toast.makeText(MainActivity.this, "토스트 팝업", Toast.LENGTH_SHORT).show();
          }
        });
    }
}