Android :: AutoCompleteTextView Working With ContentProvider
Jun 20, 2010
I have an AutoCompleteTextView working with a ContentProvider that correctly pulls known information from a database when the user is typing and presents it. However, I would also like to support the automatic hints/word choice list you get when using apps like the Messaging app. I haven't figured out how to get that thin bar of word choices to appear. Can some one clue me in on how to use that in combination with my existing ContentProvider?
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Apr 14, 2009
I am trying to connect a AutoCompleteTextView with a SimpleCursorAdapter, which narrows down the selection of a list of words, when the user starts typing.
Following some other posts here, I've come up with the following code, but it doesn't work. I defined a FilterQueryProvider runQuery() method for the SimpleCursor Adapter, but when I use the debugger in the code, the response from the ContentResolver.query((0 method call is null.
I think the problem is that there is no relationship between the CONTENT_URI and the SQL database, but I can't be sure.
CODE:.......................
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Apr 8, 2009
I have an application that involves reading a text dictionary file with about 7000 entries, and allowing the user to choose one of these. My first approach was to allow the user to select one of these by using a AutoCompleteTextView together with ArrayAdapter<String>. This works, but is very slow (~10 seconds to update the word list each time the user enters a character to narrow down the choice).
I was wondering how to rework it so that I could use a database using a SimpleCursorAdapter instead. In other words, to hope that a SQL database could provide a more efficient ordering and access for the elements. Is this the best way to do it? I've also seen several references to SQLiteDatabase, but don't know which one to use.
I found this code fragmant consisting of an extended SimpleAdapter. http://sacoskun.blogspot.com/2008/08...leadapter.html<http://sacoskun.blogspot.com/2008/08/autocompletetextview-with-simple...>
Unfortunately, this is not a complete worked out example. Could someone forward me a more complete example? I've found lots of code fragments, but no code that shows how to initialise the SimpleCursorAdapter contents, or how it works together with the AutoCompleteTextView.
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Aug 13, 2009
Is it possible to add an AutoCompleteTextView to a widget? Every time i've tried, it gives me a "Problem loading widget" error.
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Dec 5, 2009
So this is a response to another thread, that I never got a reaction on. Hopefully someone can give a hand. I have a AutoCompleteTextView with a CursorAdapter with data. I need to be able to set a text in the AutoCompleteTextView programmatically without the autocomplete mechanism kicking in. If I use *setText *on the AutoCompleteTextView it will start the autocomplete. I tried calling *dismissDropDown() after setText, but this dosnt work because the drop down is not shown yet.
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Nov 14, 2009
I can't seem to get AutoCompleteTextView to work with Theme.Light.The problem is the autocomplete popup draws the suggestions text in white on a white background. You can only see what the suggestions are after they are selected, because then the white text is drawn over top of the selector background.It works fine with the default theme but not with Theme.Light.I tried setting the android:textColor attribute.That only set the color for the AutoCompeleteTextView input box, not for the suggestion's popup.Right now the only way to get my app to work properly is to use the default theme.Does anyone else have the same issue or know of a way to programically set the suggestion's popup text color or background?
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Nov 4, 2009
I've posted this in a couple of places without any help so hopefully this group has some helpful people :) I have an AutoCompleteTextView which I want to populate with artist names based on what the user types.The problem is that I have a thread for retrieving the names from a web service, but when I try and update the ArrayAdapter with a Handler on the UI thread (which is called from the web service thread), nothing gets updated on screen. When I type another letter though, then the previous results from web service are displayed in the autocompletetextview rather than the latest.
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Nov 15, 2009
Has anyone noticed that AutoCompleteTextView doesn't pass the focus to the next field when you tap on "NEXT" button on soft keyboard? And it's all happening on Android 1.6. v1.5 works flawlessly! Is there any known solution for this?
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May 28, 2009
I'm porting an app of mine to work better with API 1.5, and I'm having problems with the layout files where I'm using an AutoCompleteTextView (and, naturally, MultiAutoCompleteTextView). Whenever I have them present in a layout, the graphical representation of the layout disappears, and "NullPointerException: null" replaces it. Is there any way I can view a widget such as this in the Eclipse editor? It definitely worked in the 1.1 SDK, otherwise I wouldn't have used them.
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Oct 13, 2010
I have an AutoCompleteTextView with a MatrixCursor as an adapter. The AutoCompleteTextView has a OnItemClickListener as follows:
CODE:...............
When an item is selected I see following in the log
CODE:................
If you see the log, the Before log entry, the getText() returns a SpannableStringBuilder object and toString() of it returns some object identifier.
How do I get actual text of the auto-complete view which was there just before clicking drop-down item?
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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 2, 2009
i have done the blocking of the drop down list with dismissDropDown() but wen ever i do a settext on the autocompletetextview, the list drops down with the matched texts.i dont want that. i have set the input type of the autocompletetextview to TYPE_NULL, but still no result.plz tell me a way to block the drop down. i am controllin the drop down with a button thats properly working its only that wen i do a settext on it, the list drops down. how can i stop this.
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Aug 13, 2010
I extend AutoCompleteTextView and override preformFiltering function in order to get results from database.I'm getting the results but then nothing is shown. And getView in custom adapter is never called.The strange thing that If I preload items (inside init() function) I can see them...May by anyone can point me to the right solution?
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Aug 27, 2009
I have made custom view for autocompletetextview, but when I am trying to select any entry from that dropdown using touch or dpad, it is not showing any focus on it, so what can be problem in that?
My code is as under.
Custom view adapter code regarding to UI:
CODE:.....................
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Aug 12, 2009
Is there any method to control popup window in AutoCompleteTextView? Such as location, background?
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Jan 24, 2010
I am using AutoCompleteTextView , when user clicks on it, I want to show suggestions even if it has no text - but setThreshold(0) works exactly the same as setThreshold(1) - so the user has to enter at least 1 character to show the suggestions.
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Jun 1, 2010
I am facing the following problem: I have a big list of street names(~2000 entries), which is stored as a variable. I have an AutoCompleteTextView which should complete the names. The process takes really long time(approx. 2 - 3 seconds) to complete the suggestion. Is there any way to speed this up? I am pasting my code, if this is necessary:The getStreetsData() method simply returns the static list of the names.
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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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Jun 2, 2009
Is this possible? Lets say I have an ACTV that shows you a list of contacts. If I place a T in the ACTV then it may generate a result of 10 contacts. In landscape mode (physical keyboard not open but phone turned sideways), the dropdown list gets covered by the onscreen keyboard. This will generate completion hints at the top of the keyboard. But these hints do not cover all of the data behind the ACTV. There is no way for the user to scroll through the entire list to see all of the data.
There should be someway to force the ACTV to scroll as I move through the onscreen completion hints. This would be an acceptable replacement of the ACTV list. There does not seem to be any such association.
Also, there does not seem to be any public association between the completion hints and your ACTV adapter. Currently, the only way that I know of matching a view(custom and holds data such as phone #, etc) referenced by my ACTV adapter is to do a match on the text placed in the ACTV when selected from the completion hint. I am posting here as the http://groups.google.com/group/android-developers/browse_frm/thread/5... thread appears to be dead.
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Sep 7, 2010
In an application I need to limit the length of drop down list displayed by AutoCompleteTextView in android to let the below buttons be visible.Can anyone help me in limiting the length of drop down list programmatically.
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Dec 17, 2009
We are developing a ContentProvider which is supposed to serve for specified packages. So we want to get the caller package name. Is there any way to achieve that?
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Apr 6, 2010
I currently register a content observer on the following URI "content://sms/" to listen out for incoming and outgoing messages being sent.
This seems to work ok and I have also tried deleting from the sms database but I can only delete an entire thread from the following URI "content://sms/conversations/"
Here is the code I use for that
CODE:............
However I want to be able to get the recipricant and the message text from the SMS Content Provider, can anyone tell me how to do this?
And also how to delete one message instead of an entire thread?
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Aug 14, 2010
I have a ContentProvider which is declared in the Manifest, when is it really created ? When the application is launched but before launching the first activity ? When the first query/update/insert is done ? When ?
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Jun 29, 2009
I want to add an extra field to the phonebook on android. The field contains a new contact method and when clicked it should start my own application/intent. I have created my own content provider that stores the information. I want to add this contentProvider to the phonebook in the same way organizations and email are added to the phone book. So how do i do this? I tried adding a new contact method but the field KIND needs an integer input which seems to be predefined to some specific methods (EMAIL, IM, ADDRESS etc)
So do i need to add a new type of KIND or can I link my contentProvider to the phone book so that it shows up as an extra field in the phone book?
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Aug 24, 2010
All the example codes, tutorials or video I see, there is always one ContentProvider per SQL Table with the SQLiteOpenHelper extension defined as a private static class... Is it some sort of standard design...to have one ContentProvider per SQL Table? Or I can define one generic ContentProvider and use its instance for ever update? Is there some issue with that? Could anyone please help as my application has like 5-6 tables.
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Aug 18, 2009
Maybe it's an easy question, but I've tried to understand why all the content providers seem not to close the DB that they use. In the NotePadProvider example (in other providers is similar), it's used a Helper to manage the DB (that extends of SQLiteOpenHelper).
This helper has a method to close the DB (http://developer.android.com/ reference/android/database/sqlite/SQLiteOpenHelper.html#close%28%29), but in all the providers that I have seen (even in the example), this method is never used.
For example, in the query method of the NotPadProvider we use the helper to open a DB
CODE:...........
The mOpenHelper is create in the "onCreate()" method, but there is no reference to a mOpenHelper.close() in all the provider (maybe because there is no "close()" method in ContentProvider).
Do we need to close the SQLiteOpenHelper object? When we use it inside a ContentProvider, where is the right place to close it?
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Aug 12, 2010
I have a custom class, which represents my data-structure. This custom class is in a normal Java-library, which is included in both projects. I have one Project with a ContentProvider which provides this data to Activities of other Projects. And an other Project with an Activity, where I want to handle this data in objects of this custom class.
How can I get this data to the Activity? The Cursor [1] only supports primitive Types.
[1] http://developer.android.com/reference/android/database/Cursor.html
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Jun 1, 2010
How can I test if there's a ContentProvider for a Uri ?
I'm currently doing a query on it and checking for a null cursor, but that generates an error in the system log each time, which I don't like to do.
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Aug 27, 2009
I would like to get the contact name, contact number, and contact email id using the contentProvider. Can any one please guide me to achieve this.
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Aug 17, 2010
What is the lifetime of a ContentProvider in Android? After onCreate() is invoked, will the ContentProvider persist unconditionally for the lifetime of the process?
My ContentProvider manages a list of records, but only 1 is designated "active" and will be accessed by different applications a lot. I was wondering if it's safe to cache the index of this active record in memory as a member of my ContentProvider to speed up lookup.
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