對于lolipop和更高版本的android，您可以使用此修改過的RangeTimePickerDialog類

(從lolipop，Timepicker默認使用時鐘模式(材料設計)，因此舊的自定義類將無法使用。我們可以將模式更改為Spinner以獲取最新版本，并可以重用該類)

public class RangeTimePickerDialog extends TimePickerDialog {

private int minHour = -1;

private int minMinute = -1;

private int maxHour = 25;

private int maxMinute = 25;

private int currentHour = 0;

private int currentMinute = 0;

private Calendar calendar = Calendar.getInstance();

private DateFormat dateFormat;

public RangeTimePickerDialog(Context context, int dialogTheme, OnTimeSetListener callBack, int hourOfDay, int minute, boolean is24HourView) {

super(context, callBack, hourOfDay, minute, is24HourView);

currentHour = hourOfDay;

currentMinute = minute;

dateFormat = DateFormat.getTimeInstance(DateFormat.SHORT);

fixSpinner(context, hourOfDay, minute, is24HourView);

try {

Class> superclass = getClass().getSuperclass();

Field mTimePickerField = superclass.getDeclaredField("mTimePicker");

mTimePickerField.setAccessible(true);

TimePicker mTimePicker = (TimePicker) mTimePickerField.get(this);

mTimePicker.setOnTimeChangedListener(this);

} catch (NoSuchFieldException e) {

} catch (IllegalArgumentException e) {

} catch (IllegalAccessException e) {

}

}

public void setMin(int hour, int minute) {

minHour = hour;

minMinute = minute;

}

public void setMax(int hour, int minute) {

maxHour = hour;

maxMinute = minute;

}

@Override

public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {

boolean validTime = true;

if (hourOfDay < minHour || (hourOfDay == minHour && minute < minMinute)){

validTime = false;

}

if (hourOfDay? > maxHour || (hourOfDay == maxHour && minute > maxMinute)){

validTime = false;

}

if (validTime) {

currentHour = hourOfDay;

currentMinute = minute;

}

updateTime(currentHour, currentMinute);

updateDialogTitle(view, currentHour, currentMinute);

}

private void updateDialogTitle(TimePicker timePicker, int hourOfDay, int minute) {

calendar.set(Calendar.HOUR_OF_DAY, hourOfDay);

calendar.set(Calendar.MINUTE, minute);

String title = dateFormat.format(calendar.getTime());

setTitle(title);

}

private void fixSpinner(Context context, int hourOfDay, int minute, boolean is24HourView) {

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { // android:timePickerMode spinner and clock began in Lollipop

try {

// Get the theme's android:timePickerMode

//two modes are available clock mode and spinner mode ... selecting spinner mode for latest versions

final int MODE_SPINNER = 2;

Class> styleableClass = Class.forName("com.android.internal.R$styleable");

Field timePickerStyleableField = styleableClass.getField("TimePicker");

int[] timePickerStyleable = (int[]) timePickerStyleableField.get(null);

final TypedArray a = context.obtainStyledAttributes(null, timePickerStyleable, android.R.attr.timePickerStyle, 0);

Field timePickerModeStyleableField = styleableClass.getField("TimePicker_timePickerMode");

int timePickerModeStyleable = timePickerModeStyleableField.getInt(null);

final int mode = a.getInt(timePickerModeStyleable, MODE_SPINNER);

a.recycle();

if (mode == MODE_SPINNER) {

TimePicker timePicker = (TimePicker) findField(TimePickerDialog.class, TimePicker.class, "mTimePicker").get(this);

Class> delegateClass = Class.forName("android.widget.TimePicker$TimePickerDelegate");

Field delegateField = findField(TimePicker.class, delegateClass, "mDelegate");

Object delegate = delegateField.get(timePicker);

Class> spinnerDelegateClass;

if (Build.VERSION.SDK_INT != Build.VERSION_CODES.LOLLIPOP) {

spinnerDelegateClass = Class.forName("android.widget.TimePickerSpinnerDelegate");

} else {

spinnerDelegateClass = Class.forName("android.widget.TimePickerClockDelegate");

}

if (delegate.getClass() != spinnerDelegateClass) {

delegateField.set(timePicker, null); // throw out the TimePickerClockDelegate!

timePicker.removeAllViews(); // remove the TimePickerClockDelegate views

Constructor spinnerDelegateConstructor = spinnerDelegateClass.getConstructor(TimePicker.class, Context.class, AttributeSet.class, int.class, int.class);

spinnerDelegateConstructor.setAccessible(true);

// Instantiate a TimePickerSpinnerDelegate

delegate = spinnerDelegateConstructor.newInstance(timePicker, context, null, android.R.attr.timePickerStyle, 0);

delegateField.set(timePicker, delegate); // set the TimePicker.mDelegate to the spinner delegate

// Set up the TimePicker again, with the TimePickerSpinnerDelegate

timePicker.setIs24HourView(is24HourView);

timePicker.setCurrentHour(hourOfDay);

timePicker.setCurrentMinute(minute);

timePicker.setOnTimeChangedListener(this);

}

}

} catch (Exception e) {

throw new RuntimeException(e);

}

}

}

private static Field findField(Class objectClass, Class fieldClass, String expectedName) {

try {

Field field = objectClass.getDeclaredField(expectedName);

field.setAccessible(true);

return field;

} catch (NoSuchFieldException e) {} // ignore

// search for it if it wasn't found under the expected ivar name

for (Field searchField : objectClass.getDeclaredFields()) {

if (searchField.getType() == fieldClass) {

searchField.setAccessible(true);

return searchField;

}

}

return null;

}

}

總結

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