Android :: Multiple Selection In Drop Down List - Spinner Like Widget
Sep 2, 2009
I am wondering is there any way to create something similar to spinner but which allows multiple selection. I guess we can select multiple entries from ListView but I don't have much space to show all the entires and also I need to show three different categories on the same Activity which you can select from.
Here is what I want to do:
Category 1:
Category 2:
Category 3:
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Sep 24, 2010
I am writing my first simple Android App: It loads temperature samples from a Java based measurement system (CSV via HTTP), shows the available channels in a Spinner and when a channel is selected, it shows the corresponding value and a timestamp in two TextViews. The App works fine, except a little cosmetic problem: The items in the drop-down list are separated by a horizontal line (divider) and depending on the scroll position, some lines disappear and appear again, when I scroll some more pixels up or down. The phenomenon happens on the emulator screen as well as on the handheld display (HTC Wildfire). Seems to be a screen resultion problem. Does anyone have a hint how to avoid this?
See my code below...
CODE:.................................
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Jan 26, 2010
How can I use code to set a default item in a spinner drop down list
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Aug 10, 2009
I want to create list with multiple selection. Can some one tell me how can i create it ? code snippt will be much useful.
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Aug 4, 2009
I'm trying to use Spinner as a button with selection pop-up. Basically I want an icon and when user clicks it - the popup list is displayed and user can make a selection. The Spinner happily accepts icon image as drawable background. Unfortunately when I select a value the text overlays the background. Is it possible to set selection text color as a transparent? Or maybe there's a better way?
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Aug 12, 2010
Edit: Okay, I found a solution. Don't know that it's the proper solution, but it does work correctly. Added to the code below. I'm trying to allow a user to select a number of directories from a checklist, and return them upon clicking a "Submit" button. Here's a snippet of my code. It populates the List View with all the directories on /sd card/, and for the initial selection (of however many I pick) when I submit, the log shows the correct choices returned. However, if I un check an item, and click "Submit" again, it still shows as if all are selected. Do I need to write a handler to un check an item? I thought that was taken care of by the choice Mode selection?
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Nov 20, 2010
I am trying to get a Spinner to work in Android. It displays fine and I can select any one of the options in the list. But how do I transfer that to a string?I would have thought in the code below that 'selected' would hold the selected string, but I get an 'Illegal modifier for the local class YourItemSelectedListener; only abstract or final is permitted' error on the 'YourItemSelectedListener'.What am I doing wrong?
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Jun 22, 2010
I have a spinner selection box on my activity, but now I want to remove the spinner from the main view and make the selection available by an option from the menu button. How do I get the dialog the spinner shows if I click it without having the spinner? Currently I fill the spinner using a SimpleCursorAdapter like this:
Cursor c = db.fetchAllSets();
SimpleCursorAdapter adapter = new SimpleCursorAdapter(this android.R.layout.simple_spinner_item, c, new String[] { DatabaseAdapter.SET_KEY_NAME }, new int[] { android.R.id.text1 });
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mSetsSpinner.setAdapter(adapter);
So now I'm planning to remove the spinner from my activity, add a new button to the menu and in the onOptionsItemSelected(...) show a dialog with the list of available selection - just the way it is right now after clicking the spinner object.
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Aug 21, 2010
I have a Spinner whose items comes from an ArrayAdaper, and I want the Spinner to initially show that no item has been selected. When the user clicks on the Spinner it's DropDownView should display just those items available for selection.
I don't want to add an empty/blank item at the head of my list of items because that means that it shows as an avalaible selection in the DropDownView and looks pretty lame. And if a selection is made I want it to be a valid one.
I tried spinner#setSelection(-1); but that doesn't work. The first item remains selected.
I tried setting no Adapter initially (which provides the desired initial view) and had hoped to configure the appropriate adapter in the OnClickListener, but spinner#setOnClickListener throw a RuntimeException saying "You probably want to use #setOnItemClickListener instead". And trying to use #setOnItemClickListener throws a RuntimeException saying it is not valid for a Spinner.
Surely this is a common use case. How can I set the Spinner to initially show as empty?
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Jan 24, 2010
I'm binding a data table into a Spinner. But I cannot set the default selection for the Spinner based on a specified identifier which comes from the id column of the table.
How can I do that?
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Sep 16, 2010
As the title says, i have a Spinner with just a couple of options and a button. I didnt declared any Listener for the spinner, instead of that, what i want is use the button and perform different actions depending on the spinner selected option.
So, i declared a handler in the button option "android:onClick", but once there, i dont know how to access the option selected in the Spinner.
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Jun 3, 2010
I am trying to have my program grab web content based on "Spinner" selection. I have a "Spinner" and a "button" to execute selected item.
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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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Jun 12, 2009
I've implemented a spinner with an OnItemSelectedListener event handler. When I initialize the spinner and when a user makes a selection the even handler gets called. What I need is to determine when a user makes a selection. Is there a way to determine in the OnItemSelectedListener whether the event was triggered because of data initialization, or because of a user selection? Am I going down the wrong path trying to do this with the OnItemSelectedListener? Is there a better way to to capture a user selection event on a spinner control?
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Dec 24, 2011
So I am new to developing android apps and had a question. I have a spinner and based on the selection I was wondering the best way to call another class / layout.Here is my main class
Code:
public class BestBuyMobileActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
[code]....
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Jul 30, 2010
In an application I have a Spinner that has tens of items.When the user taps on the spinner, a popup dialog appears that shows the list of possible selections. However, since there are (sorted) tens of items, I want the user to be able to use the fast-scroll thumb (like fastScrollEnabled attribute on ListView), similar to the one enabled in Contacts application.I tried to get the ListView that is used in that pop-up dialog, but I didn't find any methods to do that.
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Oct 14, 2010
How do you do a multiple selection in the default mail app?
My server's spam filter works pretty well, directing most of the spam to my Trash folder, and very little "real" mail. So when I look in my Trash folder I might have 30 messages, and 28 of them are spam. How do I select all 28 of them for deletion in one fell swoop, so I don't have to tediously delete each one one-at-a-time?
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Aug 30, 2010
Is it possible to get a multiple contact selection activity in Android?
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Mar 8, 2010
My list view is a multiple selection list view. i have to show the selected list view items in one color(say green) and the other items in some other color(red). How to achieve this?
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Aug 1, 2010
I have a simple list view control
My queries are:
1) how to set first row selected on start (after fill data in list view)
2) when i navigate by hardware button i got AdapterView.OnItemSelectedListener and color of row background change, but when i click i not get any OnItemSelectedListener and no row selected. How to select row on click.
3) when i change focus list row selection removed.
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Nov 3, 2010
i am using following code to display list with radio buttons now i want to select specific radio button of list by default so using setSelection property which does not work.
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Jul 18, 2010
I have a dialog window that covers 1/3 of the entire screen height and is displayed on top of my activity. The dialog holds two AutoCompleteTextView fields.
The problem I'm facing is that when the user starts typing something into the AutoCompleteTextView, the list with all suggestions only shows up to the bottom end of the dialog, but doesn't go beyond that even the list is longer. It looks like it's cut off. (screenshot left)
Only after I long-press an item from the suggestion list, the list will be shown in full length. (screenshot right)
Screenhot is at: http://img704.imageshack.us/i/dialogdropdown.png/
How to fix this behaviour so that the list shows in full length right from the beginning, when the user starts typing something?
Code-wise there's nothing special, all I do is:
CODE:..........
One workaround idea is to somehow dispatch a motion event to simulate a touch (but then not selecting though) one of the list items. Any concrete idea in code for a solution.
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Sep 25, 2010
If a data row of my list contains a TextView and a Button, is it possible to format those components individually when the List row is selected? Like change drawable of a Button, font color of the TextView apart from the usual highlighting the background of the List row?
How can this be achieved?
Note: A similar question has been asked here: http://stackoverflow.com/questions/3787695/formatting-listview-row-it...
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Aug 6, 2010
I'm working with a list view trying to get specific activities to open when a certain item is selected. This is the code that I'm working with right now. I know its wrong but am not sure what I need to change it make it work. I think I need an intent and tried a few ideas but did not come up with much.
CODE:............
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Apr 9, 2010
I have an AutoCompleteTextView defined as the following inside a RelativeLayout,
<AutoCompleteTextView android:id="@+id/edit_tag"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:hint="@string/tag"
android:inputType="text"
android:imeOptions="actionNext" />
When I touch on a choice from the drop down list, instead of setting the text of this view to the one I chose, it clears the view as if no text has been inputted. I tried to debug this and walked through the execution of the program step by step. It seems to have been cleared at around line 123 in Looper.java, which I cannot see the source.
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Mar 11, 2009
I'd like to use the standard selection color when clicking on a list item. Where do I get it from?
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Nov 3, 2010
I thought I knew how to catch list selection events in Android and then I regained consciousness. In my situation, I have a ListView that I populate with a custom view, all of the same class (let's call it the NewsChannel() class). NewsChannel consists of a LinearLayout of ImageViews and TextViews. When the list is displayed, the user may select a NewsChannel item in the list; I want to find out which list item was selected. Also, I registered an onClickListener to one of the TextViews and that works fine: when the text is clicked on, an activity is launched which is looking for the position of the NewsChannel item in the list. So, here's what my code looks like:
1. Registering the onClickListener in the ListActivity:
public class NewsListActivity extends ListActivity {...
public void onCreate(Bundle icicle) { super.onCreate(icicle);
setContentView(R.layout.news_list_format); ListView lv = getListView();
lv.setOnItemClickListener(new OnItemClickListener()
{ public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// When clicked, show a toast with the TextView text item_index = position;
Toast.makeText(getApplicationContext(), "item clicked = " + position,
Toast.LENGTH_SHORT).show(); }}); ...
2. The layout for the ListView associated with NewsListActivity:
<?xml version="1.0" encoding="UTF-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/ android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent" android:background="@drawable/wpaper_tile" >
<ListView android:id="@id/android:list" android:layout_width="fill_parent"
android:layout_height="fill_parent" android:layout_alignParentTop="true"
android:dividerHeight="15dp" android:divider="@android:color/transparent"
android:cacheColorHint="@android:color/transparent" android:scrollbars="none" />
<FrameLayout android:layout_width="fill_parent" android:layout_height="55dp"
android:layout_centerHorizontal="true" android:layout_alignParentBottom="true"
android:background="#88000000"/>
<ImageView android:layout_width="fill_parent"
android:layout_height="wrap_content" android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true" android:src="@drawable/phonetop_bg" /> </RelativeLayout>
3. The NewsChannel layout:
<?xml version="1.0" encoding="UTF-8"?> <RelativeLayout xmlns:
android="http://schemas.android.com/apk/res/ android"
android:layout_width="fill_parent" android:layout_height="wrap_content">
<include layout="@layout/news_heading_format"
android:id="@+id/news_heading_header"/>
<ImageView android:id="@+id/news_channel_image" android:layout_width="88dp"
android:layout_height="66dp" android:layout_alignParentLeft="true"
android:layout_below="@id/news_heading_header" android:padding="10dp" />
<TextView android:id="@+id/news_channel_text" android:lines="4"
android:inputType="textMultiLine" android:layout_toRightOf="@id/news_channel_image"
android:layout_below="@id/news_heading_header" android:layout_width="fill_parent"
android:layout_height="wrap_content"/> </RelativeLayout>
When I run the app, the ItemClickListener is never called. However, if NewsChannel were of a simpler type, say, a single ImageView or TextView embedded in the layout, the callback does get called. Any idea what I'm doing wrong? My whole goal is simply to let the activity launched by NewsChannel (not shown) to find out which instance of NewsChannel it was launched from.
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Jan 31, 2010
How do I do this per selected list item.I tried adding this to android:background
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_focused="true"
android:state_pressed="false"
android:drawable="@color/android_green" />
<item android:state_focused="true"
android:state_pressed="true"
android:drawable="@color/black_alpha" />
<item android:state_focused="false"
android:state_pressed="true"
android:drawable="@color/black_alpha" />
<item android:drawable="@color/white_alpha" />
</selector> but it does not work, it changes the entire list.
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Jul 2, 2009
I have two questions:
1. How do you programmatically generate key strokes? I found some tutorials where it says to use IWindowManager, but that doesn't exist anymore in 1.5. (And WindowManager doesn't provide any function to generate key strokes)
2. How do you programmatically select one item from a ListView? Is it possible to do it with the index of the list item (it's position in the list)
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Nov 15, 2010
I would like to know how I can change the direction (up or down) of an AutocompleteTextview drop down list.
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