protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 ////////////////////////////////////////////////////////////////////

 Button btn = (Button)findViewById(R.id.btn);
 btn.setOnCIickListener(new Button.OnCIickListener(){
public void onCIick(View v){
EditText edit = (EditText)findViewById(R.id.edit);
 String str = edit.getText().toString();
 Toast.makeText(MainActivity.this, str, Toast.LENGTH_SHORT).show();
 }
}

 

 

너네 이거 외워서함?? 와씨발.