I want to create a multi selected spinner that contains very long text inside each row. I tried creating various styles but just doesn't meet the requirement I'm looking for, can anyone create a multi selection spinner that can wrap long text inside it.
I have already created a spinner that can wrap text inside it, I just want it to be multiselecting.
Any code will be appreciated.
Related
I'm a beginner android developer. I am creating an app but having trouble to get a rough outline for my next task which I am going to explain below. I am not asking for code. I just want to know the best way to do the below.
I have an Activity that displays a RecyclerView with a list of items like this:
My question is related to the 3 checkboxes.
How should I approach creating the layout in the pic? Do I have to include 3 checkboxes and 3 booleans in my main object class? The other items in the object class are saved in SQL database and the RecyclerView in the activity gets its data from there using a cursor. Can the value of the checkboxes be retrieved using the cursor?
Do I create a separate sparseBooleanArray for the checkboxes? Do I create a HashMap for them?
Should I store the value of the checkboxes (Checked/Not Checked) in SQL or SharedPreferences?
This is basically an opinion based question and hence I am throwing some suggestions on how you should implement it. If I have understood your problem correctly, you have provided a single list item in your RecyclerView and the items are being populated from a local sqlite database table.
Hence there are three checkboxes for each of the list item and yes, of course you need to save the states of the checkboxes in your sqlite table along with the information of the list item. I do not know about your current table structure. However, the pseudo implementation of your updated table structure may look something like the following.
item_id description checked_status
----------------------------------------
1 Some desc null (Not checked)
2 Some desc LOCK
3 Some desc DONE
4 Some desc NOTIFY_ME
Hence when you are clicking on your checkbox, you need to update the sqlite table accordingly with the newly updated data for that specific row and update the RecyclerView items accordingly.
So I have a ListView that contains Tasks. A Task is composed of a title, description, and urgency, all of which are Strings. What I would like to have happen is that the ListView displays the titles of the tasks it contains. However, I cannot simply switch my ListView to be over Strings, because I need to be able to access the underlying Task object when the task is selected in my GUI. Thus, in my current implementation, the items that appear in the ListView are references to the Task objects (eg, todoList.model.Task#19a4c32f), rather than the title of the Task (eg, "Do Laundry"). Any help in resolving this issue would be greatly appreciated!
Did you have a look at the cellFactory (or in other words: cell renderer) functionality of the ListView?
There are plenty of good tutorials out there, like on Oracles site.
But the point is
Store your data in the ListView
The cell renderer creates a Text and / or graphic representation of your data.
I am trying to filter a list that is placed into a listview through the use of 2 drop down boxes.
The first dropdown box is titled price and the second is owner.
I want to be able to select a value in one or more of these drop down boxes and then have the List view re-render with the filtered results.
The trouble is I do not know how to begin this task, would someone be so kind as to enlighten me :D
Thanks in advance!
Your best starting point is probably this example: (Source code also available on this page, ChoicePage.java is the name)
First of all, you have to use a dynamic model in your ListView that generates the list of items depending on what you had selected in the dropdown boxes.
Then the basic idea is that you add an AjaxFormComponentUpdatingBehavior to the components that control the updates (your two dropdown boxes in your case), and in the onUpdate() method of this behaviour you should add the component you want to update to that AjaxRequestTarget passed.
How would I make a spinner that on select changes two values in an Async download task? (The URL and filename) I can only figure out how to change one value in the spinner, is it possible to change two in the same drop down list on select? Do I need a submit button or can I have it start the download process just on select? I think its possible but I've never worked with spinners.
What if you make a function to take care of changing the values, and then simply make the spinner's onSelect listener call that function?
I don't have too much experience working with spinners myself either, but that's the first way I'd go about trying to do it...
i m new to android .
i m doing my final yr project in android.
Is the any way to use more elements in list view control....
for example: fetch more data frm database and add it at runtime.
the formate may be
text text
text text
text text
text text
etc.....
refer this page for model https://play.google.com/store/apps/details?id=app.diaryfree&feature=search_result#?t=W251bGwsMSwxLDEsImFwcC5kaWFyeWZyZWUiXQ..
(in this page sample image for that application wil be given, like that report i need to display my data.)
is any other control there for that??? how to add runtime more assign more than one element value???
like this
and how to find which row is clicked?
thankz in advance
you can create custom list views to format the listview the way you asked for. And cursors are a good way to fetch data from a database and pass it to a listview. you can use adapters for that.
a sample code for custom list view can be seen here
to find out which item is clicked you need to use onListItemClickListener like given here Android: onListItemClick in Activity