Timepicker with 15 minute intervals
Added the following
@SuppressLint("NewApi")
private void setTimePickerInterval(TimePicker timePicker) {
try {
Class<?> classForid = Class.forName("com.android.internal.R$id");
// Field timePickerField = classForid.getField("timePicker");
Field field = classForid.getField("minute");
minutePicker = (NumberPicker) timePicker
.findViewById(field.getInt(null));
minutePicker.setMinValue(0);
minutePicker.setMaxValue(7);
displayedValues = new ArrayList<String>();
for (int i = 0; i < 60; i += TIME_PICKER_INTERVAL) {
displayedValues.add(String.format("%02d", i));
}
for (int i = 0; i < 60; i += TIME_PICKER_INTERVAL) {
displayedValues.add(String.format("%02d", i));
}
minutePicker.setDisplayedValues(displayedValues
.toArray(new String[0]));
} catch (Exception e) {
e.printStackTrace();
}
}
in my activity and then called this method from oncreate(). Of course you can call it from wherever necessary.
Fearghal
Updated on September 15, 2022Comments
-
Fearghal over 1 year
I have a custom dialog with a timepicker and a datepicker. I want to set the timepicker's minute spinner collection to [0, 15, 30, 45] ie 15 min intervals.
Now i see several solutions but none seem to cover the fact that the UI will show the next and previous minutes as -1 and +1 minutes of selected minute eg 29, 30, 31 are shown to user.
Also, im not clear on how i attach my custom timepicker to an activity - do i not need a customerTimePicker xml component to do this?
So in short - do i adjust the native timepicker or need to build a custom xml and class?
What i have at present Layout:
<TimePicker android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/timePicker_fixture" android:layout_weight="1" />
Activity
TimePicker timePicker_fixture = (TimePicker) dialog.findViewById(R.id.timePicker_fixture); timePicker_fixture.setIs24HourView(true);
A suggested custom class (how do i use this - do i need a custom xml component in my layout?)
public class CustomTimePickerDialog extends TimePickerDialog { private final static int TIME_PICKER_INTERVAL = 15; private TimePicker timePicker; private final OnTimeSetListener callback; public CustomTimePickerDialog(Context context, OnTimeSetListener callBack, int hourOfDay, int minute, boolean is24HourView) { super(context, TimePickerDialog.THEME_HOLO_LIGHT, callBack, hourOfDay, minute / TIME_PICKER_INTERVAL, is24HourView); this.callback = callBack; } @Override public void onClick(DialogInterface dialog, int which) { if (callback != null && timePicker != null) { timePicker.clearFocus(); callback.onTimeSet(timePicker, timePicker.getCurrentHour(), timePicker.getCurrentMinute() * TIME_PICKER_INTERVAL); } } @Override protected void onStop() { } @Override public void onAttachedToWindow() { super.onAttachedToWindow(); try { Class<?> classForid = Class.forName("com.android.internal.R$id"); Field timePickerField = classForid.getField("timePicker"); this.timePicker = (TimePicker) findViewById(timePickerField .getInt(null)); Field field = classForid.getField("minute"); NumberPicker mMinuteSpinner = (NumberPicker) timePicker .findViewById(field.getInt(null)); mMinuteSpinner.setMinValue(0); mMinuteSpinner.setMaxValue((60 / TIME_PICKER_INTERVAL) - 1); List<String> displayedValues = new ArrayList<String>(); for (int i = 0; i < 60; i += TIME_PICKER_INTERVAL) { displayedValues.add(String.format("%02d", i)); } mMinuteSpinner.setDisplayedValues(displayedValues .toArray(new String[0])); } catch (Exception e) { e.printStackTrace(); } } }