Android :: ScrollView Not Resizing When A A Child ListView Is Populated
Aug 14, 2009
I have a ListView which is embedded in a ScrollView. I populate the rest of the Views in the ScrollView, then populate the ListView. Unfortunately yhe ScrollView doesn't size itself to accomodate the items in the ListView. Am I missing something? Is there a way to get the View to resize itself to accomodate the contents of the ListView?
Here is the View in question :
CODE:.............
Here is the element view used to render the items in the list :
CODE:................
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Mar 10, 2010
I want some of the goodies in a ListView, like being able to use a ListAdapter, and item selection, etc, but I don't want the ScrollView portion of it. I want to implement that part myself, in a different way (why or how I do this isn't really the point of this question, so please don't ask "why"). Is there a way to have a ListView that's not in a ScrollView or has the scrolling disabled?
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Apr 28, 2010
I've made a complex layout that has the following structure:
CODE:........
Since Scrollview only supports one child, I've created a RelativeLayout to scroll several Views. Unfortunately, this doesn't work (no scrolling). Are there limitations to the kind of children used in Scrollview or am I doing anything wrong?
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Nov 23, 2010
I really only need my scrollview wrapped around 1 of the 3 linear layouts I have in my view flipper, but I try to wrap it around my 3rd child and it gives me the error that ScrollView can only host one direct child.
CODE:.................
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Oct 28, 2010
I have a child Activity that contains a ListView. This Activity is populated asynchronously from a SQLite cursor. The list items contain a TextView, a RadioButton, and a normal Button. The XML is shown below:
CODE:...............
I have to do some logic to determine which RadioButton is selected by default, and I can't do it until the ListView is already loaded. The problem is that with all the events I have tried so far (onCreate, onPostCreate, onResume, onWindowFocusChanged), the ListView child count is zero. I've also tried using the getView method in the ArrayAdapter class, but that method is called mutliple times and the ListView child count is potentially different every time, leading to unexpected results. Apparently, these events are firing before the ListView has finished being completely populating with its child items.
Is there an event I can listen for, or some other way to determine when the ListView is finished populating and has all of its children accessible to be modified programmatically?
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Nov 19, 2010
I have a list view with 2 buttons on each row. I am using a cursoradpater to populate the list. I am also using the view holder pattern on newview() bindview().
My questions are: where do i put the clicklisteners for the buttons knowing that the action for the button is different from the action of the list item itself? Do i keep the onListItemClick ?
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Jun 2, 2010
I have a ListActivity which is being filled via an internal class "OrderAdapter" - while the list is being populated I set various OnClickListeners on the TextView elements which should open the same view with different parameter values per line. My problem I have is that no matter which entry in the list I click I will always get to a view with the same parameter ID (it's always the ID of the last line in the list) - even though the output of the ID varies if I output it to the TextView.
Here is the code of the internal class which populates the list in the ListActivity:
CODE:.............
Any ideas why it always opens the view with the same ID even though the TextView "tvCheatTitle" displays a different value in every line?
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Apr 18, 2010
I have a list view which is populated via records from the database. Now i have to make some records visible but unavailable for selection. how can i achieve that? here's my code
public class SomeClass extends ListActivity {
private static List<String> products;
private DataHelper dh;
public void onCreate(Bundle savedInstanceState) {
dh = new DataHelper(this);.....
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Aug 11, 2010
I want the view group to extend with the ScrollView if the content of the group is smaller than the display area of the ScrollView.
How can I have the ScrollView child extend to fill the parent if it's smaller than the parent?
CODE:.........................
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Aug 20, 2010
I have a layout that has just a ScrollView visible. It has a relative layout as its child. This layout has several other layouts (mainly text views) as its children. When the text is not big enough, the scroll view does not expand itself to fit the whole screen. Instead, it shows a gap at the bottom where the background shows. I tried setting fillViewPort=true on the ScrollView, but that just made the first child layout (RL1) to fill the screen.
CODE:....................
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Nov 24, 2010
I have 3 text views in a layout, where the text clips a tad on the bottom on my droid 2...how can I ensure that the whole text is viewable and the user can scroll down (simply with their finger) to see the rest of my text?
EDIT:
CODE:..................
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May 6, 2009
I am trying to create an activity layout that has a top level vertical linear layout like so:
CODE:................
This works ok as long as the wordDefinition text isn't very long. But, when I set the text to something very long, it pushes the back button off the bottom of the screen. Why? Isn't the ScrollView supposed to scroll the text in the child TextView?
I've tried playing with weights (e.g., giving the top text view a weight of .2, the scroll view a weight of .7 and the button a weight of .1, but to no avail.
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Nov 21, 2010
I have a problem with rendering a ScrollView. Essentially, the layout is fixed header and footer with a scrollview in the middle. The idea is that when the screen keyboard is activated for the content EditText the image can be scrolled if the height of the image is longer than the middle view.
In testing the layout, I've found that on my Android phone (Xperia X10 Android 1.6) there is a whole heap of padding added to the top and bottom of the ImageView.
How I can prevent this from happening.
CODE:....................
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Mar 9, 2010
How to add listview inside scrollview ?
CODE:................
I added listview inside scroolview. But its not showing in proper way. The listview is showing only in smaller size.
I tried in most of the ways ? But i can't able to get...
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Mar 25, 2010
I'm new to Android development and having a hard time making the UI, so hopefully someone here can help me with a hint...
What I need in my layout is this:
CODE:...............
as you can see the layout will need scrolling, but adding a scrollview as a root to the RelativeLayout tag, didnt do anything...
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Jul 1, 2009
I've got a ScrollView containing a vertical LinearLayout.
The LinearLayout contains several items, including a ListView.
The problem is that I can't seem to get the ListView to be fully expanded. It is being compressed to fit everything on the screen, and forcing me to scroll through just the list. I would prefer to be able to scroll the entire layout, including the ListView.
I've played with the layout parameters a lot, but can't seem to get anything to work.
Also, I'm going to put this in another thread, but thought I'd ask here as well. Is there any way to force a separator at the top of a ListView?
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May 23, 2009
I am trying to display a screen filled with data fetched from a server. The data, if it were HTML, would look something like the following (try to visualize =) ):
CODE:..............
So I naively tried to put a ListView in a ScrollView. Not only did it not work, but I've since read all about why it is bad by the likes of such luminaries as Hackborn and Guy (it nullifies the optimizations, etc).
Problem is, the half dozen places that said NOT to do it didn't recommend what I SHOULD do instead, excepting one post by Romain Guy specifying footer or header use (not suitable in my example, right?). In other words, it seems like people want to mix a list of items in among other text data, getting the benefits of a ListAdapter, but this isn't addressed anywhere that I can find.
So, what is The Right Way to implement my example above? I'm a step away from trying to add TextViews inside a for loop, which just doesn't sit right in my gut.
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Apr 30, 2009
I found some documentation that said for the 1.5 pre api that ScrollView and ListView are not supported. I used ListViews in my aHome widgets. Does anyone know if there is a way to scroll content in the new Cupcake widgets? I believe there might be a way to scroll plain text, but I need to scrol images as well as text.
I also found this list in an earlier posting to the list: supported Views are: AbsoluteLayout AnalogClock Button Chronometer FrameLayout ImageButton ImageView LinearLayout ProgressBar RelativeLayout TextView
Are these components still the only ones supported?
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Aug 7, 2010
I want to develop an app (landscape mode) i am planining to have a listview in scrollview. Each entry in the list view occupies entire screen. It is a custom listview .i.e. background image,textview,2 buttons (prev and next) Now what i want is when i swip/fling/flick i want next entry of the listview
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Aug 16, 2010
I've searched around for solutions to this problem, and the only answer I can find seems to be "don't put a ListView into a ScrollView". I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want to do that. Well I do, so I did.
So the question is: How can you place a ListView into a ScrollView without it collapsing to its minimum height?
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Jan 29, 2010
I am trying to make a terminal type app that is wider than the actual android screen. A listview is great except that I don't want the text to wrap. If the text is wider than the screen I want it to print the full text and then the user can scroll over horizontally if they want to see what was printed off the screen. Just FYI this is for ascii type tables. I have followed this example:
It works great as far as horizontal text goes it does exactly what I want but I am unable to get the ListView inside the custom LinearLayout to actually scroll veritcally. I have tried passing the Y coordinates from the onScroll method to mListView such as: mListView.scrollBy(0, distanceY); but that seems to move the custom LinearLayout window instead of just scrolling the ListView. I can tell that the ListView is not scrolling because the window moves without the vertical scroll bar of the ListView moving.
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Dec 14, 2009
I know it's considered taboo to place a ListView inside a scrolling container, so is there any "proper" way to accomplish scrolling of a container that has a ListView child in it? An example layout would look something like:
Header
---
"Sub" header
---
ListView with list items
---
Footer
Header and Footer need to remain static on the screen, and the middle content (Subheader and ListView) should scroll between them. I can't have just the ListView scrollable, because the subheader takes up too much space. As it is currently, the Header comes from an <include />, the Subheader contains several views including an Image and some text, and the ListView (actually part of a ViewFlipper) would contain an indeterminate number of items. The Footer has a couple buttons/tabs that are used to control the ViewFlipper (only one of the views in the flipper is a ListView).
The only way I can think of to accomplish this efficiently would be to place the Subheader inside the ListView as the first item -- is there any better way?
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Jun 10, 2009
Anyone help me to modify the layout params of a child in a ListView in Android.Please give some code snippets if you can.
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Nov 20, 2010
I have a list View in my app (this is the xml layout):
CODE:.............
Each item of my list View is composed of two TextView:
CODE:.............
I would like to change background color (and text color) of each item of my ListView on focus (and, if possibile on selection). How can i do it?
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Jul 16, 2010
I must be overlooking something real simple here, but i think i'm trying to do something fairly basic.. Simply retain the scrollbar position of a ScrollView on orientation change...
Here is the code for my onSaveInstanceState and onRestoreInstanceState.. sView is the container for the ScrollView layout. Within my scrollview is a linearlayout with a lot of textviews.
CODE:............
If I set a Toast with the values of sViewX and sViewY on the Restore, the values are kept and correct.
I just tried to do a sView.scrollTo(0,150); in my onCreate.. just to see if that would open the activity at 150px down, and it didn't. I think my issue has to do with the .scrollTo method.
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Jul 7, 2009
So I've been extremely frustrated by this for a long time now.I've posted before, but can't seem to find a good solution. My goal is to have something pretty much exactly like the installed application details page in the Android Market.I need a list of items displayed along with other content above the list, and would like the content above to scroll up along with the list (exactly like the application details does for the "My Review" and other descriptive info).Due to responses to my previous posts, I came to believe that it really wasn't possible to do this with a ListView.So rather than using a ListView, I refactored my code to use a simple LinearLayout and add individual View items to the list, thinking I could just set each View as clickable and add an OnClickListener to each View in the LinearLayout.That's not working at all though, and now I'm getting even more frustrated.If someone can help me get the OnClickListener working, then I think it'll work, but I do need a separator for the LinearLayout.How do I add a separator like the one used for ListView to my LinearLayout?
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Jan 6, 2010
I have a simple ListView and on that ListView I have placed a number of custom defined Views. The CustomView has ImageView and two TextViews.
The CustomView also has a "stateful drawable" as background, so that the background image (a 9-patch) changes if you press the Row in the ListView. When pressing the Row, the background image changes to a Red-ish thing.
The problem is that when the background changes from the default greyish, all the Views in the CustomView (ImageView and TextViews) still have their greyish background and thus creates very ugly greay boxes on top of the now redish background.
What is the best way to solve that problem? I hoped that such things were handled automatically (as it is done in for example .NET), but I was wrong it seems.
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Oct 9, 2010
I have a pre-populated database, I hadd .csv and make a database in sqllite manager and imported all values into this database.
Now I put this database into android's assets folder and want to use this via ORMLite in my android application.
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Jan 19, 2010
I'm trying to bind a pre-populated database (.db file) to my application, so that I could use the data right away. I cannot, however, figure out a way to: 1) Store the .db file inside the application. 2) Access the database inside the application.
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Nov 24, 2010
I got some problem with my database in my Android application. Perhaps, my application is working but let me explain you.
Here are just parts of the code from my app.. i don't want to paste the whole it's not needed.
CODE:....................
So when i try to run my app i get Force close, but when i put manually: dh.insert("test", "ooo");
In the onCreate method in my main activity everything is fine and working. So, the conclusion is that i must put some value for the first time i run the app so it can work properly. I thought maybe to update that row with the new informations that i insert later through some TextView's from the app.
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