请大侠指导。
DatePickerDialog中如何设置起始年和结束年。
目前DatePickerDialog中默认起始年为1900,结束年为2100。
DatePickerDialog中如何设置起始年和结束年。
目前DatePickerDialog中默认起始年为1900,结束年为2100。
解决方案 »
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然后如果超出范围就
void updateDate(int year, int monthOfYear, int dayOfMonth)
重新更新。
private static final int DEFAULT_END_YEAR = 2100;
/* UI Components */
private final NumberPicker mDayPicker;
private final NumberPicker mMonthPicker;
private final NumberPicker mYearPicker; /**
* How we notify users the date has changed.
*/
private OnDateChangedListener mOnDateChangedListener;
private int mDay;
private int mMonth;
private int mYear; /**
* The callback used to indicate the user changes the date.
*/
public interface OnDateChangedListener { /**
* @param view The view associated with this listener.
* @param year The year that was set.
* @param monthOfYear The month that was set (0-11) for compatibility
* with {@link java.util.Calendar}.
* @param dayOfMonth The day of the month that was set.
*/
void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth);
} public DatePicker(Context context) {
this(context, null);
}
public DatePicker(Context context, AttributeSet attrs) {
this(context, attrs, 0);
} public DatePicker(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle); LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.date_picker, this, true); mDayPicker = (NumberPicker) findViewById(R.id.day);
mDayPicker.setFormatter(NumberPicker.TWO_DIGIT_FORMATTER);
mDayPicker.setSpeed(100);
mDayPicker.setOnChangeListener(new OnChangedListener() {
public void onChanged(NumberPicker picker, int oldVal, int newVal) {
mDay = newVal;
if (mOnDateChangedListener != null) {
mOnDateChangedListener.onDateChanged(DatePicker.this, mYear, mMonth, mDay);
}
}
});
mMonthPicker = (NumberPicker) findViewById(R.id.month);
mMonthPicker.setFormatter(NumberPicker.TWO_DIGIT_FORMATTER);
DateFormatSymbols dfs = new DateFormatSymbols();
String[] months = dfs.getShortMonths();
mMonthPicker.setRange(1, 12, months);
mMonthPicker.setSpeed(200);
mMonthPicker.setOnChangeListener(new OnChangedListener() {
public void onChanged(NumberPicker picker, int oldVal, int newVal) {
/* We display the month 1-12 but store it 0-11 so always
* subtract by one to ensure our internal state is always 0-11
*/
mMonth = newVal - 1;
// Adjust max day of the month
adjustMaxDay();
if (mOnDateChangedListener != null) {
mOnDateChangedListener.onDateChanged(DatePicker.this, mYear, mMonth, mDay);
}
updateDaySpinner();
}
});
mYearPicker = (NumberPicker) findViewById(R.id.year);
mYearPicker.setSpeed(100);
mYearPicker.setOnChangeListener(new OnChangedListener() {
public void onChanged(NumberPicker picker, int oldVal, int newVal) {
mYear = newVal;
// Adjust max day for leap years if needed
adjustMaxDay();
if (mOnDateChangedListener != null) {
mOnDateChangedListener.onDateChanged(DatePicker.this, mYear, mMonth, mDay);
}
updateDaySpinner();
}
});
// attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DatePicker); int mStartYear = a.getInt(R.styleable.DatePicker_startYear, DEFAULT_START_YEAR);
int mEndYear = a.getInt(R.styleable.DatePicker_endYear, DEFAULT_END_YEAR);
mYearPicker.setRange(mStartYear, mEndYear);
a.recycle();
// initialize to current date
Calendar cal = Calendar.getInstance();
init(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), null);
// re-order the number pickers to match the current date format
reorderPickers(months);
if (!isEnabled()) {
setEnabled(false);
}
}
<item name="android:startYear">1000</item>不过上述方法我试验了好像没实现,你如果实现了烦请转告
private int maxYear = 2100;
private int minYear = 1900;
private int currYear;
private int currMonthOfYear;
private int currDayOfMonth;
public MyDatePickerDialog(Context context, OnDateSetListener callBack,
int year, int monthOfYear, int dayOfMonth) {
super(context, callBack, year, monthOfYear, dayOfMonth);
currYear = year;
currMonthOfYear = monthOfYear;
currDayOfMonth = dayOfMonth;
updateTitle(year, monthOfYear, dayOfMonth);
} @Override
public void onDateChanged(DatePicker view, int year, int month, int day) {
if(year >= minYear && year <= maxYear){
updateTitle(year, month, day);
currYear = year;
currMonthOfYear = month;
currDayOfMonth = day;
} else {
updateDate(currYear, currMonthOfYear, currDayOfMonth);
}
}
private void updateTitle(int year, int month, int day) {
String title = String.format(
this.getContext().getString(R.string.str_yy_birth_format),
year, month + 1, day);
setTitle(title);
}
public void setMaxYear(int year){
maxYear = year;
}
public void setMinYear(int year){
minYear = year;
}
}