private int hourOfDay, minute; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button = (Button) findViewById(R.id.button); Calendar calendar = Calendar.getInstance(); hourOfDay = calendar.get(Calendar.HOUR); minute = calendar.get(Calendar.MINUTE); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub TimePickerDialog pickerDialog = new TimePickerDialog(MainActivity.this, new OnTimeSetListener() { @Override public void onTimeSet(TimePicker view, int hourOfDay, int minute) { // TODO Auto-generated method stub Toast.makeText(MainActivity.this, hourOfDay + "時" + minute + "分", 1).show(); ; } }, hourOfDay, minute, true); pickerDialog.show(); } }); }