Android :: Refresh ListView If Change Content Of ListItem

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.

Android :: Refresh ListView if change content of ListItem


Android :: Remove The Listitem From Listview

Nov 4, 2009

I want to remove the listitem from listview in android.i don't know that how to do it.

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Android :: Delete A Listitem From A Listview?

Aug 25, 2010

The Listitem would not be retrieved from the db. It is passed over from another class.

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Android :: Unable To Add Icon / Image To Listitem Of ListView - Way To Do So

Feb 4, 2010

I have created listview by using arrayadpter i add arraryadapter to listview containing string array but i m unable to add icon to eatch listitem.

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Android :: Change A Listitem In A ListActivity When It Is Selected?

Jul 13, 2009

When a listitem in a ListActivity is selected, I want to add some ImageButtons on the listitem and want to change its height from 60px to 90px. When the listitem is unseleted, it will be restored. How should I do?

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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 :: How To Refresh ListView?

Feb 16, 2009

I'm facing to one problem with ListView. I would like to refresh the ListView every time I change the base data.

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Android :: Possible To Refresh Just One Item In A Listview?

Jun 1, 2010

I'm wondering if it is possible to rerender just one element in a listview? I assume by calling notifyDatasetChanged() is gonna rerender the whole list?

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Android :: All Items Images Messed Up When Refresh ListView

Mar 11, 2010

I have listview with items that include both text and images. If I scroll the listview fast enough all items images are messed up: wrong images are displayed for wrong items. The same problem exists with expandable listview. I tried to implement holder class to cache imageview and image itself using setTag, getTag but nothing helps. The faster I scroll the more items are messed up. Text almost always displayed correctly.

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Android :: Instant Refresh On CursorAdapter Attached To A ListView

Oct 14, 2009

I have a CursorAdapter attached to a ListView, the ListView contains checkboxes for every row. When I check/uncheck a checkbox in a row it will update it to a 0 or 1 in the database (This is working fine) I also have another checkbox in the same Activity that when pressed will disable all the checkboxes in the ListView [ setEnabled(false) ].

The problem is that when I press this checkbox the ListView checkboxes return to their initial state when I started the activity. It does not matter the number of checkboxes I changed during the activity.

However, if I press the back button and then re-enter the activity all modifications are saved because the Cursor is refreshed. I am calling notifyDataSetChanged() at the end of the the methods that disables all the checkboxes.

I also tried this for every checkbox in the ListView but it did not work (was unable to check a checkbox) Any ideas?

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Android :: Refresh Droid ListView After Adding / Deleting Dynamic Data?

Feb 12, 2010

I want to refresh an Android ListView after adding/deleting dynamic data.

Can any one tell me how to achieve this?

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Android :: Changing The Content Of A ListView

Jun 10, 2010

I have added a menu to ListView Activity and wanted to allow the user to select the information that would be displayed in the ListView. So for example:

The ListView is populated in the onCreate method.
The user selects an option in the menu.
Upon the user making this selection the ListView would be populated with a different array.

Is onResume() executed after the menu is closed? I would test this but I am not currently home.

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Android :: Way To Change ListView Style Droid Without Building Custom Listview ?

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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Android :: ListView To Grow To Size Of Content

Mar 15, 2010

I have a fairly complex activity the parent being a linearlayout with a table with some basic info and buttons. Then a couple listviews that the user can add items to. So these listviews grow more and more as the user uses the app. The problem I'm running into is the Linearlayout is bigger then the resolution of the screen and so it needs to scroll. So the scrolling doesn't work on the Listviews. I've tried playing with changing the layout_height of the listview and its child element with no success. Is there a way to make these couple listviews expand out to the amount of children? Or am I going about this all wrong? If so what other controls can I use?

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Android :: Creating Listview Screen With Different Content For Each Row

Oct 18, 2010

I'm looking to create a listview screen similar to the Sound Setting screen (in the built in Settings app, see image below), i.e I want some rows to have text + checkboxes, other rows to have text + "pop up" buttons, some rows should have text only etc.What is the best way to accomplish this?

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Android :: Custom Separator In ListView Depening On Content Of Item

Oct 22, 2009

I've a ListView with items containing information about places with a rating and the distance to the current location.

The items are sorted into groups:

Group 1: within 500m
Group 2: 500m - 1km
Group 3: 1km - 1.5km

Withing these groups the items are sorted by their rating.Now I put out these items via my custom adapter (extension of BaseAdapter) into the ListView, which works perfectly.

However, what I'd like to do is to put a separator before the each first item of each group. This separator can be a TextView saying e.g. 500m - 1km followed by all the ListView items in that group. Any idea on how to realize this?

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Copy Content From Row In Listview

Nov 7, 2011

I'm trying to copy the content of a certain row in a listview, so I can change it and later reload that row content.I've tried defining a new LinearLayout and then getChildAt(), but it's working. Is there some sort of clone or copy that I'm missing?

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General :: Can't Change Refresh Rate

Jan 29, 2013

I have been using admob for three months now..i have 12 android apps requesting ads from admob...2 of them from amazon app store (added last week)..others from google play.The problem is that since about 4 or 5 days i can't make any write changes to my account...this includes

1.cant change refresh rate..
2.cant add new apps..
3.cant modify the market url for existing app(for my new apps from amazon store,which has the same package as another app from google play.For admob it should be like same app requesting 2 ads..is that a problem?)
4.cant change colour of ads.that's all I have checked until now..When I try any of these,i simply gets logged out from admob..then i will have to login once again..

There is no problem with reporting and revenue updates.I have tried from Chrome and IE.

Also,i would like to point out a change in admob login..Earlier I could login to Google with another 'Google id' while logged in to admob..But now it seems they are connected. Logging out of Google logs me out off admob too..

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Android :: Way For "refresh" List After Update ListView?

Oct 26, 2009

In my ListView, I choose an Item to "Add Favorite" and I have to do some stuff work, I fill data again to refresh the List, then I implement OnScrollListener use setSelection(firstVisibleItem) to set List display right on Item was added. Are there any better way to do that. I mean like mCursor.requery() or something like that in android APIs ? Or any suggest way?

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Android :: Adding Animation To A ListView In Order To Expand/collapse Content

Oct 3, 2010

I have a list view which uses a custom adapter in order to show my custom content. Its layout is the following.

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

I would like that the listview only showed the view with the ids itemimage and item description, keeping the itemtext hidden.

The idea is to have an onclicklistener on each item of the list, in order to expand that item so it shows the itemtext content. I know I should use Tweening animation in order to expand/collapse each item, but I can't figure out how to do that.

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Android :: Stop Reading GetView() Function Again Content Is Already Downloaded In ListView?

Jan 5, 2010

I have a ListView displaying images on every element of the ListView, It works fine... but when I start to scrolling I have realized my image is downloaded again if it is displayed in the screen of my phone device!

How could I stop reloading the images or all the content of the in ListView again?
Or how could I avoid reading the getView() function again If I have already downloaded all its content?

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Android :: Way To Refresh An Activity / Map View Refresh Fails?

May 3, 2010

After implementing some Android Apps, including several Map activities, I try to refresh the activity when the GPS listener's onLocationChanged() mehtod is called. I have no idea how to tell the map activity to refresh on its own and display the new coords. the coords to store will have to be in global values, so that the location listener will have access to it. In my sample GPS-class (see code below) I just changed the text of a text view....but how to do that in map view?

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Android :: Change DB Location For Content

Nov 24, 2010

I want to change setting in native application (i.e. SMS) by pointing it to different content location.

Ex - At given fraction of time, native application is pointing to list of SMS (com.android.providers.telephony.databases.mmssms.db).

I want to point to different location, that might be com.android.providers.telephony.databases.mmssms1.db

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Android :: Android - ListView Items Not Grow To Wrap Their Content

Nov 2, 2009

I have a rather complex ListView, with variable list item heights. Under certain conditions, I need to display an additional view in a list item, which is hidden by default (View.GONE). By enabling it (View.VISIBLE), the list item grows in height (or at least it's supposed to).

The problem:
Even though I declare the item's root layout to wrap_content, and each component in the item to fill_parent, the view I hide/show which is supposed to change the item's height is simply cut off at the bottom instead of its parent (the item layout) growing in height to fully display it.

Are there any gotchas related to ListViews and item layouts and item height which I may have missed?

Some more observations:

For testing purposes I have now reduced the list item layout to just contain the root LinearLayout and an ImageView. When I set the LinearLayout height to e.g. 200dip and the ImageView to fill_parent, I would have expected the ImageView to grow until it hits the 200dip limit set by its parent.

However, the image will instead be only ever as tall as its bitmap resource (as if I had set it to wrap_content) and the whole list item will be of the same height (i.e. as if I had set it to wrap_content, too).

If however I set the image height to e.g. 200dip, then the list item will grow in height, and so will the item layout.

In other words, the layout_height of the list item layout is completely ignored, and so is any height value on ImageView other than a hard-coded pixel value.

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Android :: Change Message Content Before Save

Jun 29, 2010

I need to change Text( SMS) message content before save in in-box. Is it possible to change text message content in BroadcastReceiver?

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Android :: Change Content Of Tab On Button Click

Aug 20, 2010

I have been reading a lot of comments on how it is more lightweight to use views instead of intents in setContent when using tabs.

Since I will be creating an app with tabs, I am trying to implement this instead of having intents inside setContent. However, I am having a difficult time looking for examples or straightforward tutorials on swapping the current view with another one.

Say I have TAB_A, with some entry fields and a button. When the user clicks on the button, a TextView will display "Hello, user!" in the same TAB_A. Of course this is an oversimplified example, but it will surely point me in the right direction.

EDIT: I have a tab called TAB_A with a button in it. If the user clicks on that button, TAB_A will now display "Hello, user!" instead of the button.

Here is a sample of my TabSpec.

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

Where ShowButton and ShowHello are classes both extending LinearLayout. Both are initialized in onCreate like this:

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

When the app first starts, the user sees the view showButton. When the user clicks on the button, I want the tab to change its contents to showHello.

The question then is: Is there any way to update the contents of the tabspec without using startActivity?

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Android :: Live Folders Register For Change In Content

Apr 22, 2009

If I create a content provider to service a live folder, and if this content provider is just a wrapper aggregating other content providers, how does the live folder know if the real content has changed somewhere down the line.

For example, I have a live folder that has items pointing to video, audio, and notes. Each item in the cursor (such as an aggregated matrix cursor) may be pointing to a different underlying content provider. But each item will have its own uri.

Does the live folder view register for content changes for each uri? Or is it the responsibility of the wrapper content provider to register for content changes and then notify its client the live folder?

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Android :: Getting Change Details From Content Provider Notifications

Jun 10, 2009

Using ContentResolver and ContentObserver, it is possible to receive notifications in the function onChange() when some data is changed within the content provider. However, I fail to see if there is a way to see the URI which triggered the notification.

For instance, if I want to play a sound when someone deletes "Kara Trace" from my address book or whatever - how do I do that, if not by having another copy of the whole content provider dataset, and then comparing the old dataset copy with a new one? Can someone confirm me that the hard way is the only way?

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Android :: Change Display Content When Wipe On Screen

Sep 30, 2010

I want to change the lower half of the screen when the user wipes with the finger, but got no idea how to start. The upper half with sone TextViews should stay fixed. Do I need more then one activity, or can I just change the layout portion on the lower half?

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Android :: Content In Tab - Change It With Out Losing Parent Tabs

Nov 20, 2010

I have been asked to create an app to buy sell and advertise a product. I have chosen dvd's to keep it simple. Using the tutorials on the android developer site I have created 3 tabs one for PG films one for 15 and one for 18. Now in these tabs I want to have a button that then changes the content of the tab but keeps the tabs.

I have tried so many things and the only thing I have been able to do is start a new activity but that gets rid of the tabs :( and I have tried many other things been up all night trying to work this out. If someone could just point me in the right direction to how to go about this would be great. Is it even possible?

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