android中控件DatePicker控件

  activity_main.xml

  <DatePicker

        android:id="@+id/dp"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" />

    <Button

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:onClick="click"
        android:text="获取时间" />

MainActivity.java

public class MainActivity extends Activity {

private DatePicker dp ;

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

dp = (DatePicker) findViewById(R.id.dp) ;

dp.init(dp.getYear(), dp.getMonth(), dp.getDayOfMonth(), new DatePicker.OnDateChangedListener() {

@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
String date = year + "年" + (monthOfYear +1) + "月" + dayOfMonth + "日" ;
Toast.makeText(MainActivity.this, date , 0).show() ;
}
}) ;
}

public void click(View view){
int year = dp.getYear() ;
int month = dp.getMonth() + 1 ;
int day = dp.getDayOfMonth() ;

String s = year + "年" + month + "月" + day + "日" ;

Toast.makeText(this, "你选择的时间是：" + s , 0).show() ;
}