Comments on: MultiChoice Preference Widget for Android

By: adrian

adrian — Fri, 03 Feb 2012 10:18:59 +0000

Hi i am having the following issues:

1) The changes still applied when i click cancel button.

2) After i made some changes and close the app, when i reopen it, the checkbox are all unchecked again.

I notice some people are having the same issue also. May i know how to solve it?

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Thu, 02 Feb 2012 16:00:34 +0000

[...] R.styleable not created in gen/R I am trying to implement MultiChoice Preference with reference from http://blog.350nice.com/wp/archives/240/comment-page-1#comments [...]

By: T

Fri, 20 Jan 2012 00:26:48 +0000

Hi,
when I use this with a full screen program, every time I click on a selection item it switches briefly out of fullscreen and back in.
Any Idea how to solve that?
Thanks.

PS: Might be a bug with Android. The solution would be to add dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
Any idea where in the Java file I should add this?

By: mysho

mysho — Mon, 16 Jan 2012 15:48:29 +0000

HI, I have next problem. When I open this multiselect preference and check some values everything works great, but when i reopen this preference nothing is selected. Where is problem ?
thanks …

By: Lukas Hetzenecker

Lukas Hetzenecker — Thu, 12 Jan 2012 19:28:46 +0000

mysho, I had the same problem

Replace

mClickedDialogEntryIndices = new boolean[getEntries().length];

with

CharSequence[] entries = getEntries();
mClickedDialogEntryIndices = new boolean[(entries != null) ? entries.length : 0];

By: mysho

mysho — Thu, 12 Jan 2012 15:08:14 +0000

I used this script for a dynamic preferences
here is my code:
ListPreferenceMultiSelect refreshTabPreferences = new ListPreferenceMultiSelect(this);
refreshTabPreferences.setDefaultValue(”#ALL#”);
refreshTabPreferences.setKey(”refreshTabs”);
refreshTabPreferences.setTitle(”Refresh Tabs”);
refreshTabPreferences.setDialogTitle(”Refresh Tabs”);
refreshTabPreferences.setSummary(”Auto refresh of tabs”);
refreshTabPreferences.setEntries(tabsEntries);
refreshTabPreferences.setEntryValues(tabsEntriesValues);
firstCategory.addPreference(refreshTabPreferences);

When I run this code I get this error:
java.lang.NullPointerException at lines 58 and 69
58 is: mClickedDialogEntryIndices = new boolean[getEntries().length];

69 is: public ListPreferenceMultiSelect(Context context) {
this(context, null);
}

Where is problem ? Thanks a lot …

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By: Volodia Krupach

Volodia Krupach — Wed, 23 Nov 2011 09:52:08 +0000

Thank you!
When supplying custom separator “|” it was treated as regex symbol in:
return ((String)val).split(separator)
so I changed:
return ((String)val).split(”\\Q” + separator + “\\E”)
“\Q” at the beginning and “\E” at the end escape regex symbols.

By: Tos

Tos — Tue, 01 Nov 2011 18:36:50 +0000

Thank you for the tutorial. I like it !

I did make a few changes:
1) make static the following:
private static String separator;
static public String[] parseStoredValue(CharSequence val)

2) if you use parseStoredValue() before the constructor is called, field “separator” is null and a crash will happen. You can avoid this by hard coding a value:
private static String separator = DEFAULT_SEPARATOR;

By: Gary

Gary — Fri, 02 Sep 2011 22:16:51 +0000

Thank you.

By: David

David — Wed, 17 Aug 2011 06:02:15 +0000

Hi!
I Get This Error

Binary XML file line #6: Error inflating class ListPreferenceMultiSelect

Thankx.

By: DonVincenzo

DonVincenzo — Wed, 10 Aug 2011 17:47:52 +0000

Thanks for sharing this, very helpful … but i have the same question as JRS

“do you happen to have a short example showing how to populate the initial list and states of the checked boxes from java?”

By: Curly

Curly — Thu, 04 Aug 2011 21:40:02 +0000

Thanks for this

By: Cars

Cars — Tue, 14 Jun 2011 22:59:58 +0000

Do you really think that it may be interested in women?

By: declanshanaghy

declanshanaghy — Tue, 24 May 2011 16:26:53 +0000

It is possible but kinda tricky.
You will have to override the portion of the PreferenceScreen which creates the views and attach a listener to the first checkbox which can set the other ones checked/unchecked.

It would be a nice addition to this class.

By: rg

rg — Mon, 23 May 2011 23:36:21 +0000

I’d like to make the first check box function as a “select all”, is it possible?

By: RobG

RobG — Sat, 14 May 2011 06:02:03 +0000

Very handy code. I had to add a check for null in the parseStoredValue because I didn’t set any defaults.

By: declanshanaghy

declanshanaghy — Thu, 21 Apr 2011 16:48:54 +0000

It is possible, however too complicated to explain in a comment post or over email.

At a high level, how to do it would be to redefine the view that’s used for each line item and attach an image to it aswell as a piece of text.

By: sregg

sregg — Thu, 21 Apr 2011 08:34:44 +0000

Hi,
First, thank you for your great work.
However, I would like to add icons on each items of the list.
I have a multi select preference list to select languages, so I would like to add the corresponding flag on the left of each item.
Is it possible?
If so, how?

Thank you in advance for your help.

By: Blog qmsource.net » Nová Android aplikace – Menzy ČVUT

Blog qmsource.net » Nová Android aplikace – Menzy ČVUT — Sun, 17 Apr 2011 19:15:45 +0000

[...] Nastavení se dělá pomocí PreferenceActivity. Vše si můžete nadefinovat v xml a pomocí addPreferencesFromResource(…) vše vložit do aplikace. Setkal jsem se ale s takovou (fatální) maličkostí, že neexistuje Preference typu MultiChoiceCheckbox (jako jí vidíte na obrázku výše, výběr menz). Framework nám poskytuje Multiselect, ale to je jen takový ten “buď a nebo”. Prostě vývojáři se zapomněli. Každopádně existuje docela schůdné řešení, jak dosáhnout požadovaného výsledku. Já jsem se inspiroval zde. [...]