Android : Change How ListView Looks Roller?
Mar 7, 2010
I am trying to create a roller so that the user can select the amount of money they'd like to bet. So I created a list view and then put a transparent png over top of it to make it look like a little more fancy. Although it seems when I put the png over top of the listview I can longer see the list. I know this may seem like a far fetched idea, but I'm not sure if there is a better way to go about this.
Anyone know a way that I can create a rolling selector?
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Mar 16, 2010
I want to create a better NumberPicker then the one used in DatePicker, I looked at the HTC Sense Alarm clock Roller (Looks like the iPhone Spinner/Roller). I want to create something like that.
I've created a listView that looks right, but I need a way to get the current id of the middle row. ListView.getFirstVisiblePosition() kind of do what I want but it will give me +-1 errors. Another problem is that the scrolling should lock into a certain row when "dying" out. These are of couse related and I hope I can solve this by using a custom ListView, but it's hid in the API
Any thoughts on how to solve this?
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Jun 26, 2010
I would like to change text and back ground color of my Listview without building custom rows. Is this possible ?
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May 29, 2010
I have no notifications, but it keeps flashing anyway. Any idea why?
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Nov 12, 2010
I cannot find a corresponding control anywhere. The control I am interested in is iPhone's spinner.
It's much simpler to use than Android's TimePicker.
Since I see that native Clock app has it, does anyone know how is that control called and how can one use it in his app?
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Nov 3, 2009
I want to set the background color of ListView as white.I tried this:
getListView().setBackgroundColor(color.white); getListView().setCacheColorHint(color.transparent);
But it doesnt change the color.What should I do?
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Sep 28, 2010
I want when a user clicks a row, that row grows to show more items with an scale animation, but I can't find how can I do that.
First: I don't know how can I change a height row at runtime. I've tried making the items visible, but this didn't work even if I inflate with another XML layout.
Second: If I achieve the first one, I think I could make the scale animation.
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Nov 8, 2010
How to change the listview row height?
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Sep 23, 2010
Im using a custom listView with a Title and a Subtitle where you can read a brief explanation of the item.
For each item on the list, im displaying an alertDialog to select an option (different for each case). When the option is selected, i want to change the Subtitle for the option selected by the user.
This is what i tried:
CODE:.....................
For the first item on the list it works fine, when i select an option, the subtitle get replaced by that option, but when i make a selection in the alertDialogs of the other 2 items, the option selected replaces the subtitle of the first item!
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Sep 22, 2010
I have 2 ways of displaying ListView data. I have a class for each type of row. I do not create the rows in an xml layout. (Each row is derived from View and does custom drawing). When I switch from 1 type of row to another how do I get the ListView to layout properly with the correct row heights, and refresh? Is View.forceLayout() on the right track?
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Apr 25, 2009
I am wondering if anyone else is encountering this issue (or if its just me). I converted an app I have been working on from using a regular view to using SurfaceView. The app accesses listviews to change properties of the elements I am drawing on a canvas. The listviews called from the SurfaceView version draw over themselves mis-registered when I scroll long lists quickly. If anyone out there has had a similar problem and/or has an idea what might be going on and/or has a suggestion as to how to fix this.
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May 13, 2009
I'd like to create my ListView and make it's Views be changed while selected (or, clicked). How could I do it?
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Aug 30, 2010
I have a ListView with few items. Is it possible to change size of the selected item in the ListView. For example, I want to expand selected item to show some buttons.
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May 18, 2010
Code...
the current size of the text in the listview is large. and i cant seem to figure out how to change the text size.
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Apr 10, 2010
I've created a rather complex layout for listview rows where only the first line is visible (the rest use android:visibility="hidden"). When an item is selected, I want all the invisible objects to appear (selected.setVisibility(1)) - checking first if I have to hide again the previous selection.
Here's the (simplified) code..
The problem is that this only retrieves the invisible items in the first Listview row. What's the way to access ListView rows and change 'em?
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May 1, 2010
I have a listview in which there should be different divider height between different rows. So, how can we set the divider height dynamically?
Suppose, I have 10 rows and there should be a divider height of 5 between first 2 rows and then there should be a divider height of 1 between next 5 rows and so on.
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Jun 18, 2010
Is there any way i can make my listactivity (rather listview) highlight the List Item when it is clicked (pressed) upon? (...and remain highlighted) The default behavior, simply highlights the item for a moment, and it gradually fades to black... Currently, the highlighting only happens when we use the DPad... It'd be ideal if atleast one list item is "highlighted" at all times. Worst case scenario, i may have to keep track of the "last clicked item" (by default the first) and change its background or something...but i was hoping there was an easier way...
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Apr 24, 2010
I have a couple of list views, one uses TextViews laid out with xml, the other uses a custom class derived from View. The default halloween color scheme is pretty ugly. How can I change the background and selection colors for the list elements. Ideally, I'd like to be able to do this in code not xml, to handle the custom view.
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Mar 16, 2010
I have a ListView in my android activity. And I populate the ListView by sub-class the BaseAdaptor (which returns a View in getView() method).
What if in my click listener of a button in a list item view, I change the text of the TextView in the List item view or change the dimension of the list item view by adding/removing children of the list item view
What is an efficient to refresh my listView? I don't want the listView to re-trigger a query since there is no data change.
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Aug 7, 2009
i have a listview with a very white layout. Thus I wish the fading edge was black, instead of white as it is right now. How can I change this? As far as I can see it cant be done in xml.
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Apr 30, 2010
I am adding listview programmatically. My code is as follow.
CODE:..........
Now i want to change the size and color of text.
[there is know method like lv.settextsize / lv.settextcolor ]
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Sep 11, 2009
I populate ListView Using ArrayAdapter, constraint: each item Text in ListView represting some actions, and each action (Item text in ListView) represent its individual color. problem: i cant change the color of each item text in ListView, according to supplied color formula. using ListView thanks i am waiting ur reply?
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Oct 14, 2009
How do I change the original orange highlight color to something else? That is, the color I get when I click in a ListView.
I've tried to set the android:textColorHighlight of the ListView and/or the TextView for the rows, nothing work.
I've manage to remove it by setting android:listSelector="#00000000" of my ListView but I just want to change the color, but it seems impossible.
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Mar 17, 2010
How can I change the font size in a ListView element? In my main.xml file, I have tried several different values in for android:textSize (pt,px,sp,dp) and nothing seems to change it.
Here is what I have currently for the in my main.xml:
CODE:...........
Here is my Java:
CODE:................
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Jul 21, 2010
I am trying to change the color on a specific row depending on different states. This is the code i have at the moment. code...
The code kinda works..but it changes all the rows. Any ideas?
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Sep 1, 2010
Let's say I have a ListView of items:
Cat
Dog
Mouse
And these are bound to the ListView via an adapter to a database.
What I want to be able to do is to be able to re-order the list view,. For example I want to somehow drag "Mouse" up to the top of the list above "Cat". Once I have an order set, I then want to "save" the list and its order back to the database.
Is there any way to do this? Has someone made such a custom ListView that I could use? The only alternative I can think of is to long press on a list view item and have a "Move up by one", "Move to top", etc. context menu that moves items around in the list.
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Jul 28, 2010
I have three ListView widgets in the same LinearLayout. Something like this (I'm omitting XML elements that are not relevant in this example):
CODE:..............
This forces the list to have a height of 360 dip. Of course, that will be its height even if there are few list items. So, my question is how can make the lists have an automatic height? What I want is that the ListView height takes the exact size of the sum of all its list items.
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Nov 17, 2010
I have a listview that Display some Categories on it from my server, it works fine but when i change Orientation it Reload it...
What Should i do to Avoid Reload ?
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Sep 27, 2010
I'm having trouble changing the data held within a TextView inside of a listView. I can access the data and send a toast of the text, but the list isn't updated when I change it.
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setListAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, presidents));
ListView lv = getListView();
lv.setTextFilterEnabled(true);
ListAdapter list_adapter = lv.getAdapter();
TextView var_x = (TextView) list_adapter.getView(0,null,null);
ListView list = getListView();
int count = list.getChildCount();
Toast.makeText(getApplicationContext(),(var_x).getText(),Toast.LENGTH_SHORT).show();
var_x.setText("not a president");}
How can I change the text/styling of a row once I've already created it?
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Oct 22, 2009
I have a ListView backed by customized ArrayAdapter where each item has 2 LinearLayouts - one I call head, and the other one - body. The body is hidden (gone) until user clicks on the row at which time it slides out. The second click (on the head) will hide the body. However if user clicks on the body it brings another activity. All of this works just fine, here comes the problem.When user presses on body I want a visual indication of the action just the same way as regular list item will flicker an orange background when pressed. I'm not getting this by default since (my theory) the onPress event is intercepted by body's view and not processed by the list item.The first thing I tried was to execute body.setBackground('#ff00ff') (never mind the color) in onPress event. That didn't work since (I suspect) there's no repainting after the call. Then I dig a little bit more and decided to use <selector/>-based background. I defined body_background.xml in drawable folder and assigned that to the body's background property.
There I noticed that background will only change if the even is processed by the list. For example if I set <item android:state_selected="true" android:drawable="@drawable/selected"/> then when I press on the head - the background of both elements (head and body) will change, however when I press on body - nothing. So to summarize my question.how do I change background of the child element in the list item if I assign custom onClick handler to it?
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