public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); final EditText textET = (EditText)findViewById(R.id.text_et); Button dlgBtn = (Button)findViewById(R.id.toast_btn); dlgBtn.setOnClickListener(new OnClickListener(){ public void onClick(View v) { String text = textET.getText().toString(); showDialog(text); //ここでダイアログを表示する }}); } priv