DatePickerDialog和trimepickerDialog

DatePickerDialog和trimepickerDialog
设置时间对话框和日期对话框
public class MainActivity extends Activity {
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.pickerdialog);
Button datebt = findViewById(R.id.datebt);
Button timebt = findViewById(R.id.timebt);
//为设置日期按钮绑定监听器
datebt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Calendar ca = Calendar.getInstance();
//創建一个DatePickerDialog对话框实例，并将他显示出来 //绑定监听器
new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
EditText show = findViewById(R.id.show);
show.setText(“您选择了：” + year + “年” + (month + 1) + “月” + dayOfMonth + “日”);
}

            }
                    //设置初始日期
                    , ca.get(Calendar.YEAR),
                    ca.get(Calendar.MONTH),
                    ca.get(Calendar.DAY_OF_MONTH)).show();
        }
    });
    //为设置时间按钮设置监听器
    timebt.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Calendar ca1 = Calendar.getInstance();
            //創建一个TimePickerDialog实例并把它显示出来
            new TimePickerDialog(MainActivity.this, new TimePickerDialog.OnTimeSetListener() {
                @Override
                public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                    EditText et = findViewById(R.id.show);
                    et.setText("您选择了：" + hourOfDay + "时" + minute + "分");
                }
            }
                    //设置初始时间
                    , ca1.get(Calendar.HOUR_OF_DAY),
                    ca1.get(Calendar.MINUTE), true
                    //true采用24小时制

            ).show();
        }
    });
}

}

<?xml version="1.0" encoding="utf-8"?>

<EditText
    android:id="@+id/show"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

<Button
    android:id="@+id/datebt"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="日期选择对话框" />

<Button
    android:id="@+id/timebt"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="时间选择对话框" />