Android :: Lock The Scrolling Of ListView?

May 31, 2009

I want to lock the scrollBar of ListView.

I have tried to use some ways, but these all are not avairable. - ListView.setEnable(false) - implemented return false of areAllItemsEnabled() / isEnabled() of Adapter. - set to none attributes android:scrollbars of ListView of layout.xml

Android :: lock the scrolling of ListView?


Android :: How To Keep ListView Header From Scrolling With ListView Content?

Jun 24, 2009

There must be a way to do this. How can you tell a ListView that has a header to not scroll it when the user scrolls the contents? I want it to stay in a "stuck" position so that the user can always see what column the content applies to.

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Android :: ListView Not Scrolling?

Jul 7, 2010

I'm trying to make a layout that is something similar to how the android market is...where say under comments there is what appears to be a ListView but it does not scroll (the whole page scroll but not the comments). I'm not sure if its even a ListView but I want something that looks like the list view (ie. have those divider bars and what not but NOT SCROLLABLE). There are people suggesting to use a LinearLayout instead of a ListView but I also what the items to be clickable and open a new activity. Please help?

My current layout tree is like so
<LinearLayout>
<ScrollView>
<RelativeLayout>

I am looking to put content inside the RelativeLayout.

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Android :: ListView Scrolling To Top

May 22, 2010

I have a ListView with custom rows. When any of these rows is clicked, the ListView's data is regenerated. I'd like the list to scroll back to the top when this happens.

I initially tried using setSelection(0) in each row's OnClickListener to achieve this but was unsuccessful (I believe because the ListView loses its scroll position when its data is invalidated - so my call to
setSelection is undone. I still don't understand how the ListView decides where to scroll to after invalidation, though).

The only working solution I know of was given by Romain Guy here: http://groups.google.com/group/android-developers/browse_thread/thread/127ca57414035301

It involves (View.post)ing the call to _listView.setSelection(0). I found this to perform quite poorly.
The newly generated list shows up with its scroll location unchanged and there is a considerable delay before it scrolls back to the top.

Is there any better way to achieve this functionality?

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Android :: Scrolling In A ListView?

Aug 19, 2010

In one of my projects I've got a ListView with hundreds of elements. But when scrolling through this list I get the following error:

CODE:.....................

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Android :: How To Get Header In Listview Without Scrolling

Dec 30, 2009

I want to display Header to my ListView. I used getListView ().addHeaderView() method to add header to Listview. but this is Header is scrolling with List.I want header should be constant.

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Android :: ListView Scrolling Very Slow

Oct 12, 2010

I am having a customized list view in my application, which is showing an image and text.

The Image I am getting from URL, using the code below:

CODE:..............

All is working perfect, except the list view scrolling, its very slow. If I disable the images, the scroll speed smooth-ens , but with the image enabled, it lags alot.

Is there any possible way I can reduce or remove this lagging?

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Android :: How To Get The ListView With Carousel Scrolling

Dec 24, 2009

I would like to have a ListView that scrolls in a carousel way, so when you scroll to the bottom and continue scolling, it should get back to the top element.

I do not want to use ViewSwitcher, nor ViewFlipper. How can I achieve that?

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Android :: OutOfMemoryError When Scrolling ListView

Jan 29, 2009

I'm having problems with ListViews in my application. I thought everything was fine until I noticed that if I scrolled up and down through the list quickly a number of times, sooner or later the app would crash with an OutOfMemoryError.

When I searched for the error I noticed a number of posts related to loading images. As my list items included a small arrow png, I assumed the problem lay here. However even after removing this and all other drawables I had (gradient background and list separator) the problem still remains.

Here's the stack trace

CODE:...............

I've had a look in DDMS and noticed that the percentage memory used in the heap doesn't go above 70%. Also, doesn't the reported 66K seem like a very small amount to be causing a crash?

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Android :: Disable ListView Scrolling?

Apr 24, 2010

I want to disable scrolling only of a ListView and keep it's items to still be click-able.

The idea is to control the scrolling via other means and not user touch. i.e. up/down buttons, or random scrolling...

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Android :: Stop Scrolling ListView?

Aug 5, 2010

I have a scenario, where I have three buttons(like tabs) and when clicking on each button, I am showing a listView, such that, I select one button and scroll the listView. During scrolling if I click on any other button, that list is also continue scrolling. Actually, I don't want the scrolling

When I click on any other button, it should not scroll and it should be in the starting position(means index 0).

I tried onScrollChangeListener(), in that onScrollStateChanged() is there.

I tried putting setSelection(0) in SCROLL_STATE_FLING & SCROLL_STATE_SCROLL state.

Its going to index zero, but continue from there, its still scrolling. How can I stop this scrolling.

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Android :: Display This Listview On Scrolling?

Mar 18, 2010

I'm completely stumped on this one. I have three different lists that need to be displayed on the screen.
I've tried using a ScrollView with a LinearLayout child, and putting my ListViews in the LinearView, but all of the ListViews lock to a fixed height with scroll bars. Using other kinds of Layouts means no scrolling.

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Android :: Autohide Scrollbars When Not Scrolling In A ListView

May 17, 2010

In the new official Twitter app, the scrollbars in all the ListViews the app uses are hidden unless the user is scrolling through the list.

When you start scrolling, the scrollbars appear. When you stop, they fade out with an animation until they are gone completely.

I can't seem to find anything in the documentation that indicates this as being a standard feature.

Is this something included in the API? If not, anyone know how this might be done?

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Android :: Background ListView Becomes Black When Scrolling

May 14, 2010

I have created a specific List which exists out of the following elements to create a scrollable list with every row containing a Image on the left side and some text on the right side.As long as the screen is shown statically (as in no movement) it will be shown correctly, but when I start scrolling through the list the background of the row-item (an "icon" as can be shown in the code) will be shown corretcly but the background of the "root" layout will become completely black when the scrolling stops the background will, most of the times, get back it's color.As I test I also added a TextView in that root-element with the same background, this one will detain it's color when the List is scrolled.

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Android :: How To Avoid Header From Scrolling In Listview

Nov 24, 2010

I have a list view , where i am adding headerview to that list . every thing fine , but when am scrolling list headerview also moving with list, so i want to avoid headerview scrolling , i mean i have to scroll only list when i list reached to topview (titlebar),headerview has to remain bottom of titlebar .

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Android :: Error When Scrolling Down To The Bottom Of An ListView

Sep 25, 2010

I found a error that I dind't know about, Iam using a List, when Iam scrolling down to the bottom of the list it thows an error, why does this occur? Iamgeting the items from a service, and everything looks fine inte listview.

CODE:.................

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Android :: Creating A ListActivity - Listview And Scrolling?

Aug 13, 2009

I have some problems when creating a ListActivity.

I have a listview and some other widgets and my listview is filled with a custom adapter.

You can see the images of this activity here:

http://www.grabup.com/uploads/ecd0d0eeb7b947e98b2e0d6c1be5478f.png?di...

Now the problem is. I have a scrollview and all the other views and widgets are placed inside of it. As you can see on the image, I don't see all of my 6 comments (that is the list). When i don't place the scrollview the height of the list is perfect (i have set android:layout_height to wrap_content (to my listview and parent LinearLayout). This is perfect but I have other widgets under the list and when the list reaches the bottom of the screen I can't to scroll to view my other widgets..

How can I fix this? I can set the height of the linearlayout manually but the problem is that the height doesnt has to be the same all the time (it loads the commens from my web service).. It has to fit the height of all the comments (like wrap_content normally does..)

Here is a part of the code with the layout and listview..

CODE:............................

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Android :: Reverse ListView Scrolling Behavior?

Sep 16, 2010

I have been trying now for a few hours to reverse the scrolling of behavior of the ListView. Essentially when scrolling down with my finger I want the list to scroll up!

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Android :: Scrolling ListView Manually By Pixels

Jul 14, 2010

I want to make use of the trackball or d-pad to scroll my ListView smoothly. Without implementing anything, by default the list scrolls by one item, which is not appropriate for my app, since list items have different heights and I just want to scroll it by a fixed amount.

Is there anything to call to let's say, emulate a 10 pixel drag down?

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Android :: Jerky Scrolling When Using SimpleCursorAdapter With ListView

Jul 23, 2010

I'm getting some very jerky scrolling while using the code below to create a ListView from a Cursor. Is there something I'm doing wrong, or any way to improve the performance of this ListView?

CODE:.............

Note: bookmarkStore.getCursor() returns an unmanaged cursor from a sqlite database containing the columns from bookmarksColumns.

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Android :: ListView Scrolling Behavior And Performance

Feb 4, 2010

I have a listview showing contacts.

When I'm scrolling the list the scroll works pretty smooth however when/if I'm trying to continue the scroll in the middle of the last scrolling the scroll just stops and sometimes the item I clicked on is selected (I have registered an OnClickListener to the item view).

I would like to get smooth scrolling just as in the device native contact list.

My implementation builds each contact a view containing: 1. Big picture for the contact image. 2. Small picture for the type of the contact. 3. TextView with the Contact name 4. TextView with some extra text about that contact.

My current layout for every item looks like:

CODE:........................

I've tried changing the LinearLayouts to relative ones but saw no improvement in performance.

I've created my own "Selector" in code (to eliminate the time it takes to load the resource) so that odd rows will have different background color. The code looks like:

CODE:........

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Android :: ListView Backgrounds Go Black During Scrolling?

Mar 30, 2010

Ive specified white backgrounds for pretty much all widgets and it works, except when scrolling. The background container goes black during scrolling resulting in annoying flickering.

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Android :: Scrolling A ListView Changes Everything From White To Black

Jun 10, 2010

I have a custom list view and I want the background of the list to be white, so I do something like this which works great.

CODE:............

The problem is when you scroll the list the background of all the list items changes to black, which looks horrible.

I tried in my list view setting the background color to white. When I inflate the view I also tried setting the background color to white:

view.setBackgroundColor(Color.WHITE);

Both of these fix the problem of the scrolling background color, but now the item doesn't appear to be clickable even though it is. What I mean by that is the onClick still works fine, but the background doesn't flash to orange to let the user know he clicked it.

How can I have a white background in a list view, that stays white while scrolling, and does the normal list acitvity orange click background?

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Android :: Scrolling Through ListView With Some Images Very Laggy

Sep 6, 2010

I've got the below screen that contains some images (6 per visible page). Scrolling up and down seems quite laggy to me. It's like it's rendering the images again. Scrolling back up seems worse than scrolling down.

Anyone know how to increase performance in such an area to create a nice smooth scroll?

Update: The images and text is all retrieved from my SQLite database. The list is created using SimpleCursorAdapter.

CODE:.......................

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Android :: Listview Hide Scrollbar When Not Scrolling

Nov 1, 2010

I want to hide a listview's scrollbar when the listview isn't scrolling and show it when scrolling. I know this can be done very easy by setting "android:fadeScrollbars" as an application style if the API is 5 or newer. But I want the feature to be available on all android devices. So I've implemented the "setOnScrollListener" method, and switched the scrollbar visibility using the setVerticalScrollBarEnabled method. This works great on G2. The problem is that on Motorola Milestone the SCROLL_STATE_IDLE event isn't received when the scrolling stops, and so the scrollbar remains visible.

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Android :: In ListView Which Function Is Called While Scrolling

Nov 24, 2010

CODE:..........

I want to catch how much the listView is scrolled, so I extend ListView. I am able to scroll the list. But OnScrollChanged is not called. For ScrollView and HorizontalScrollView OnScrollChanged is called whenever it scrolls. Which function is triggered when we scroll a ListView.

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Android :: Gets Flickering Layout's Background While Scrolling The Listview?

May 10, 2010

while scroll the listview, the Layouts background gets flickering. that is the layout is has a background image. this image will gets invisible and reload all the time while scrolling. how to rectify this? Any Idea?

Note: its happening for inbuilt android Array Adapter too.

CODE:.................

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Android :: Listview Not Scrolling Inside View Flipper

Nov 19, 2010

A view flipper has 4 list views. When i flip the view flipper using gesture listener implemented on view flipper, it works fine. But I am not able to scroll the list view since the touch event is not able to trickle down from view flipper to list view.

CODE:.............

I want this event to be handled by list view

CODE:.................

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Android :: ListView Scrolling - Array Contain Large Number Of Items

Jun 27, 2010

I have a ListView with a scrolling issue. The Array contain a large number of items. When I try to scroll down, the listview displays the first items again. For example, if the initial view shows 12 items and I scroll down to view the next three, instead of showing 4 through 15, if shows 4 through 12 followed by 1, 2, and three. Debugging the Adapter reports that getView return 4 through 15 just as I would expect.

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Android :: Layout For ListView Followed By Non-scrolling Bar Of Text At Bottom Of Screen

Dec 3, 2009

I'm having trouble setting up an Android Layout.

What I would like is a scrollable ListView followed by a small bar of text (TextView) that doesn't scroll and always stays at the bottom of the screen.

it would look like this:

ListViewItem1

ListViewItem2

ListViewItem3

Bar of Text Here (always displayed irrespective of scroll state of the ListView)

I've tried a bunch of different variations on this, but none shows the static text

CODE:................

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