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i need to create a spinner that contains infinite integer values. Is it possible to do that? Do i have to use another component (another view) to make this?
Well, when the spinner is created, the android system would kill the application, because of the infinite entries - so, don't do that unless you have infinite RAM!
So it is not possible to display an infinite amount of values!
If you describe your problem more detailed, or what you want to get done with the spinner, we could try to find a way around.
just create an adapter which size (getCount() method) is Integer.MAX_VALUE, so if infinity is 2**32-1, then yes, you can do it, the easiest way is to extend BaseAdapter but you could also do it extending CursorAdapter but with a bit more effort
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I want to design that layout , like my photo , there are three buttons , can let me show different function in screen , I don't know how use fragment to
achieve my goals?
Does anyone any suggestion can help me ?
Thanks.
Edit : I have already solved.
Activities consist of different layouts.Only one layout can run in one activity.But Fragments can be used in this respect.You need to add frame layout at the places where you need different layout.Fragments have similar life cycle as compare to that of the activities.You will need to create fragments and add it in the activity through its java file.
Hope this helps you.Reply back for more details.
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I want to develop an android app and my app must show a matrix of elements where some are connected by a line (like paths). I'm programmer but I don't have a clear idea on how to do this (the graphical part) because still I'm starting in android development, but if you have an idea please to resolve this graphical problem, give me some help then I would research more about it.
Note: I want to create an app for my college, where an student could mark their passed courses, and there are courses that must be marked (passed) to mark others and know their progress on the career.
Like this image..
Use Grid View because GridView is a ViewGroup that displays items in a two-dimensional, scrollable grid. The grid items are automatically inserted to the layout using a ListAdapter. to Achieve your goal you must use custom grid view to make that but am not sure about the lines.
check out this tutorials it would help to make that .
Example 1:
Example 2
Example 3:
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I have a ListView that contains data from data base! I want to implement search view for this that items has searched elements should be shown! I tried more and saw examples but they was hard for me to understand! any way? easy please!
This logic should help : -
1) get the search bar on your ActionBar
2) Add a SearchView.OnQueryTextListener() to your search bar.
3) Override the onQueryTextChange() method and perform a search function on your DB against the string entered.
4) Once you have the data, pass it to the same function you used to structure your ListView in the beginning so as to form an adapter which can be set to your listview.
P.s. be better if you posted your code for us to help out. The above logic worked for me....
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I have a listview. And I need to make something very easy to acces on the listview. So I want to make something like the Samsung contact list.
Can somebody help me where I need to start? (Maybe a code example or some explanation where to start?)
It is just that I want to make a listview with this kind of swipe mechanic. I don't want to remove a row or add a row. I just want a event behind it to do stuff when swiped. And the animation would be cool if it was something like that.
Follow the libraries on github
listview animations
swipe to dismiss
Roman nurik's Android-SwipeToDismiss
This 'SwipeToDismissUndoList' code might help you.
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hello Hello everyone i ,I have a problemwith finding , I wish to find a solution...
I have developed a background image so it fits in all types of phone or and tablet types.
my image looks like a multiple joint button
now i I want multiple onclick events on that button(that is a part of image) look on that image
can anybody help me??
thanks in advance.....
in this image i want click events on about/stats/offers/help and also in middle tag
put buttons layouts or whatever you wish on the image set that as invisible(visibility.invisible) put on click for the invisible obj
Used multiple layouts in one screen and used the contents from
http://developer.android.com/reference/android/widget/Button.html