Android :: OnItemSelected Property Of Spinner

Jun 30, 2010


In this code i am creating two drop downs and now my requirement is when i select the item from first combo the data in the second combo must be changed according to the selected item of first combo. now in onItemSelected property how to code specially for first dropdown?

Android :: onItemSelected property of spinner


Android :: How To Keep OnItemSelected From Firing Off On A Newly Instantiated Spinner

Apr 1, 2010

I've thought of some less than elegant ways to solve this, but I know I must be missing something.

My onItemSelected fires off immediately without any interaction with the user, and this is undesired behavior. I wish for the UI to wait until the user selects something before it does anything.

I even tried setting up the listener in the onResume, hoping that would help, but it doesn't. How can I stop this from firing off before the user can touch the control?


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Android :: Spinner Won't Respond To Clicks - Even Though OnItemSelected Is Called?

Jul 22, 2010

My Activity implements OnItemSelected listener for a spinner. It has the interesting problem of firing off the onItemSelected callback when the activity shows. So I used a flag hack to solve it (I hate it, but at this point I just want the app to work).

Strangely enough, even though the callback gets called right at activity start, my actual touch selections don't work. I can touch the list, open it, see the strings from the array adapter, and even touch it to make it dismiss - but the callback is never called.

My code:


In onCreate():


The callback:


The toast is shown right when the activity is shown, but when I select items in the spinner, the spinner dismisses and no toast is displayed again (not to mention the rest of the code in the callback fails to execute).

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Android :: How To Catch Fire Of OnItemSelected Of A Spinner After The Interface Has Been Setup

Mar 5, 2010

I am having an Android view with a Spinner on it. I call a populateSpinner() method to add some default values to it.

I also have a onItemSelected() event which gets called before the view is completed to print.
I would like to run a code inside this block only when the user changes the selected items, not when I add or the form gets created.

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Android :: How To Set Delay In OnItemSelected() Funtion

Nov 24, 2010

I am using a menu in my application Same as this post... I am using a gallery view for display my menu items

Text Gallery on Android?

Problem is that, i implement onItemSelected listener for gallery, so that when new item is selected data related to that topic loaded. But i also want to allow user to scroll the gallery fully. but each time when user move to next item onItemSelected() function called and it start loading data.

All i want to do is to put some delay in onItemSelected() function, so that if in between that delay user scroll next item than there is no need to load data of previous but for the current. Time may be 1 second. If user dose not go for next item in 1 second, that data of that item must be loaded.

I thought to start a thread,but each time for onItemSelected() there will be new thread...

I try this to.


But Fond Exception.


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Android : How To Cancel An OnItemSelected Upon Startup?

Aug 5, 2009

1) I have a Spinner with several options provided by an ArrayAdapter and have an onItemSelected listener on this Spinner. When selecting an item from the spinner, I want to display another view (list-view) but this method is unintentionally invoked upon initially displaying the view. The list-view is therefore displayed upon startup of the application. It is possible to add a spinner-on-item-select listener that won't fire upon initially displaying the view but only by the user selecting an item?

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Android :: Spinner Widgets Look Different On Different Devices - Can Define Own Spinner That Looks Same On All Handsets

May 20, 2010

I use this code to generate a spinner in my app:

On my device (Motorola Milestone) and in the emulator this looks like the standard gray spinner widget.
On of my colleagues uses a Motorola Backflip and on his device the Spinner is black. Now its very hard to read the font in the spinner.

What do I have to do to use my own view for the spinner? I don't mind to have the gray spinner on all devices, but it should always look the same on all devices.

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Android :: Display Array Of Strings In Spinner With Spinner.setAdapter

Jun 9, 2010

I have an xml layout file which contains a few widgets including a Spinner
I want to display a list of strings in the spinner, the list is generated at runtime as a result of a function so it can not be in arrays.xml.

I tried doing:


But this crashes my application.

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Android :: Call Spinner's Value - Use Other Values Based On A Spinner's Value

Jan 25, 2010

I have a spinner 'aperture' set up with a list of numbers, and a spinner 'mode' with two options. When a button is pushed I need a calculation to run using various inputs, including the current selection from 'aperture' and a value derived from 'mode'. How do I call the value of a spinner so I can use it in a calculation?

Also, how do I use the spinner 'mode's selection to set this other value before implimenting it in the calculation? To be more specific, if the spinner is set to Small then the value I use in the calculation is 0.015, whereas if Large is selected I need to use 0.028

My other inputs are EditText views, so right now I am set up like this:


That is not the actual equation, it is just a test to make sure everything connects properly. How would I call the value of spinner 'aperture' and the Small/Large spinner 'mode'

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Android :: Popup List Like Spinner Without Spinner

Jan 25, 2010

I have a spinner widget in my activity which lets users pick a list name.

Normally, the function of the spinner is to switch between lists but for a couple of instances, I swap out the selection change listener to perform a different function with the same list of options. Once the selection has been made, the old listener is restored and life goes on.

This is a bad and buggy arrangement. Instead, I would like to have a function that just takes a selection listener and some other parameters and shows a popup list that's populated by the same cursor (or and identical cursor) as the spinner, without using the spinner itself.

Is there any way I can do this?

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Android :: Populating A Spinner From Another Spinner Dynamically

Jun 21, 2009

I am trying to populate a spinner depending on another spinner's selected item, my code is the following:


what is intriguing me is that the first spinner onitemselection works perfectly ( I can see the values in LogCat) then when I change selection of the 2nd spinner I am gettging an error on this line: String selected= (String) s2.getSelectedItem(); So the compiler gets insisde then onItemSelected function of the 2nd spinner but throws an Handler exceltion on s2.getSelectedItem()

why? it works perfectly for the 1st spinner.

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Android :: Trapping OnItemSelected Events From An Auto Complete List

Feb 6, 2010

I am trying to write an application with a list of items read in from a file. This item list and the fields that go with each item are fed into a DB. The item names are presented to the user as an auto- completing list. Once the list item is selected, I would like to get the value from the list and use it to query the database and display all the detail information.

The problem I am having is trapping the event using onItemSelectedListener and onItemSelected.

Below is what I am trying.


This doesn't compile, but it has the fewest syntax errors.

How to get an OnItemSelectedListener to work? and how I grab the value selected?

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Android :: Populate 2nd Spinner Out Of First Spinner

Jun 22, 2009

I am trying (as many are doing) to populate a 2nd spinner out of the first spinner selected item like this:..............

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Android :: How To Get Autocomplete For Property In Eclipse?

Jun 15, 2010

Is it possible to get Autocomplete or Something when i work with the eclipse form editor?I write a color in the strings.xml and then i want to select it by the propertys for the text color, but there is no autocomplete or something equal

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Android : Set TextColor Property Of Button In 2.1

Apr 12, 2010

I am trying to set "textColor" property of button in android 2.1. But I am unable to set it to correct value ? What is the correct way of setting "textColor" property of a button in android 2.1 ?

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Android :: How To Set Image View Property In Coding

Sep 6, 2010

<ImageView android:id="@+id/ImageView01"

I want to set this property in coding for image view not use this,how can i make it?

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Android :: Apply An Animation To A Property Of View?

Jul 6, 2010

Is there any way to apply an animation to a property of a view? currently, the only animation i am aware of is applying an animation to an entire view. i'm wondering if i can apply an animation to a property (i.e. layout_width for example)

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Android :: Care To Take When Using A View's SetTag() Property?

Oct 13, 2009

Because Java uses object references and not objects themselves, what prevents me from using setTag() to tag a view with an entire object instead of an object's property? Is it just the attribute lookup time when trying to resolve one of the attributes after the getTag() call or is there any other specific thing I should be concerned about?

As for my specific problem, I am using a custom listview that has an imageview and a textview. Initially I bind the listview to a custom adapter to fetch some xml data and then use certain tags inside each item's xml to populate my listview. So the "entire object" I was referring to was the parsed version of the entire XML of an item...

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How To Handle Multiple Property Files With Android

Mar 26, 2012

I would like to have multiple property files checked in to my project that each define the same properties but for different environments. For instance, a development one and an operational one that each point to a different server.

-> server.port=8080
-> server.port=8081

I would like to have some way when building my android project to an apk to specify which property file to include and rename it to just myapp. properties.

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Android :: Equivalent To Overflow Property In Linear Layout On SDK?

Nov 6, 2009

I've been trying to create a color LinearLayout object (1) within another LinearLayout object (2), while having (1) not display beyond the bounds of (2) - in short, I wish to assign the equivalent of the CSS overflow:hidden property to LinearLayout (2) so that LinearLayout (1) doesn't bleed beyond the edges of (2).
<!-- (2) -->
<!-- (1) -->
</LinearLayout> Is this possible within Android?

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Android :: Tab Host - Property In Manifest For Search Activity

Aug 25, 2010

I have a tab host with two tabs. I want one of those tabs to be a search screen. The content for the tab is a ListActivity. I'm pulling the content from a web service. My problem is, when I execute the search a new intent is pushed onto the screen. I've used the android:launchMode="singleTop" property in my manifest for the search activity. What that seems to have done is, once the new intent is pushed on top of the TabActivity, every time I run the search it reuses that intent. But I want the already existing intent which is set as the tab's content to be the one it uses.

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Android :: Pass Property Value Argument To An Instrumentation Test Runner

Mar 3, 2010

I use the following instrumentation testrunner command line to run JUnit tests on my project :


and it runs OK.

I am now trying to pass a property value argument to my instrumentation test runner, something equivalent to the eclipse vm argument -Dcom.myApplication.myProperty="String" The value ("String") of a property (com.myApplication.myProperty) must be defined in the command line. I tried to bend my command line to make this work, changing it for example into :


but didn't manage to make it work correctly. Is there a way to make this work ?

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Android : Way To Call Phone Layout_gravity Property From A Java Method

May 31, 2010

I would like to know if is there a way to call android:layout_gravity property from a java method. I didn't found any method in Android documentation to do it. This is the picture of the layout I want to implement: But in my situation, I need to do it through Java code, because I'll implement another layout views dinamically. To avoid merging xml layout with Java code, I would prefer make all layout using Java. Code...

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Android :: Change Orientation Without OnCreate Call / Any Auto Adjacent Property?

Oct 29, 2010

I want to change layout without calling the onCreate method. i also define android:configChanges="orientation|keyboardHidden" in my activity and it is not calling the onCreate method but the layout not adjust appropriately on landscape mode.

my current layout look like as follows.

after change orientation as landscape it look like as follows:

but on landscape i want the following result.

is there any auto adjacent property?

how can i do it?

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General :: Change Screen Size Property Of Device?

Apr 4, 2012

I have a 7 inch tablet (Novo 7 Paladin) running ICS. Unfortunately, most apps just use the phone layout wich I assume is because the manufacturer set the android:screenSize property to "large" instead of "xlarge".

Is there a way to change this, so that Apps will use the "xlarge" screen layout?

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Android :: Android - Removing Src Property Image View Not Exception - Splash Screen

Apr 9, 2010

While starting my application I get the following warning in Logcat:

04-09 10:28:17.830: WARN/WindowManager(52): Exception when adding starting window
04-09 10:28:17.830: WARN/WindowManager(52): android.view.InflateException: Binary XML file line #24: Error inflating class <unknown>
04-09 10:28:17.830: WARN/WindowManager(52): at android.view.LayoutInflater.createView(
04-09 10:28:17.830: WARN/WindowManager(52): at .....

Splash is the image that is shown in the splash screen. I have those four folders with for storing drawables in my app:

the splash image has its own version in the first three of them and is displayed properly. Removing the src property from the ImageView removes the image but not the exception. I'm a little bit lost with where to look for the cause of the exception. I even don't know if this is really an issue in this layout file etc. How would you go about finding the cause for this warning?

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Android :: System.setProperty - Cannot Change System Property In Android

Sep 23, 2009

I use Java API "System.setProperty()" to set a system property. After invoke "System.setProperty()", API "System.getProperty()" can return the value just I set. However, when I use command "adb shell getprop" to verify, it shows that this property is not set at all. Do I wrongly understand API "System.setProperty()" ?

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Android :: Spinner Example

Jan 28, 2010

I am developing a small application with the help of spinner widget.Requirement is to display different toast messages when the spinner list items are selected.For e.g if the spinner items are Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday then on selecting Sunday item through the spinner ,toast message should display "Sunday Selected".Please guide me on how do this and if possible share code snippet.

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Android :: How To Get Spinner Value?

Dec 22, 2009

Is it be possible in the Android Hello, Spinner example to get the selected Spinner value with a listener, like for the other examples -- or do you need to subclass Spinner?

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Android :: How To Use Spinner?

Mar 8, 2010

I am very new to android. I want to use 2 spinners in my application, one shows the countries list, when any country is selected the other spinner should show the list of cities of that country. when city is selected some action is performed.please help me with some sample code.

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