Android :: Autocomplete List From SQLite With Criteria
Jul 3, 2010
Can someone point me to right direction, how to create an adapter for AutoCompleteTextView, which would be getting data from SQLite DB, using data, which user entered into the text field? I want to use the user-entered data to filter suggestions for autocompletion.I imagine that adapter should always take user-entered data as soon as changes appears and use it for fetching suggestions on-the-fly. Is that possible? So far I've seen many tutorials for autocompletion where static String arrays were used, but never seen them build dynamically.Is it possible to do it automatically or I need always fetch String array myself and pass as ArrayList to adapter on every AutoCompleteTextView change?
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Oct 20, 2010
In my activity, I have an AutoCompleteTextView that gets its contents from my custom adapter. I created my adapter by following this example.The adapter works so far, but I am getting so many errors on leaks and cursors that are not finalized.My question is: how do I close the db in runQueryOnBackgroundThread?
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Aug 10, 2010
Ive read through the docs and searched on here, but I'm not quite understanding how all the pieces fit together. Was wondering if anyone has a clear explanation of how to grab a single column of data from Contacts and have it populate an autocomplete box.
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May 9, 2010
An application I'm developing requires that the app main a local list of things, let's say books, in a local "library." Users can access their local library of books and search for books using a remote web service. The app will be aware of other users of the app through this web service, and users can browse other users' lists of books in their library. Each book is identified by a unique bookId (represented as an int). When viewing books returned through a search result or when viewing another user's book library, the individual list row cells need to visually represent if the book is in the user's local library or not. A user can have at most 5,000 books in the library, stored in SQLite on the device (and synchronized with the remote web service). My question is, to determine if the book shown in the list row is in the user's library, would it be better to directly ask SQLite (via SELECT COUNT(*)...) or to maintain, in-memory, a List or int[] array of some sort containing the unique bookIds.
So, on each row display do I query SQLite or check if the List or int[] array contains the unique bookId? Because the user can have at most 5,000 books, each bookId occupies 4 bytes so at most this would use ~ 20kB. In thinking about this, and in typing this out, it seems obvious to me that it would be far better for performance if I maintained a list or int[] array of in-library bookIds vs. querying SQLite (the only caveat to maintaining an int[] array is that if books are added or removed I'll need to grow or shrink the array by hand, so with this option I'll most likely use an ArrayList or Vector, though I'm not sure of the additional memory overhead of using Integer objects as opposed to primitives).
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Mar 5, 2009
I got a Dev phone and installed plenty of applications, but the battery was used out in 7~8 hours, even not enough for over-night. I guess some applications, which had permission to prevent system from sleeping, killed the battery. So I am very curious if Google will have any application criteria/certification for the developers, especially for the power usage.
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May 27, 2010
I'm trying to find a way to automatically search HTML code for a criteria that shows up each time then bring the app to the front and also send notification
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Sep 16, 2010
I want to store this array in to SQLite database.Can some one give me code for converting this array in to byte[] or give me code for another solution ?
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Aug 3, 2010
I am planning to store a password in my Native app (Android and iPhone). Should I store them after encrypting it ? or can I store it without any encryption? Are they really secure?
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Jan 23, 2010
I'm new to Android programming, and I wanted to pull list options from a column of the SQLite database for the user to select. How would I go about doing this? Like, say the database table to be read is called countries, and the columns were ID, country, and capital. How would I let the user pick from the list of capitals and have the application return the information in that row?
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Jul 24, 2010
Is it possible to have an EditTextPreference with AutoComplete attached to it?I know ho to attach one to an element with an id, but am having trouble figure out how to attach the ArrayAdapter to the preference field.This is wrong, but it's as close as I can get.
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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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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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Feb 10, 2009
I'm using an autocomplete box, with suggestions provided by a SimpleQueryAdapter.Not sure if relevant, but only difference I see is that, both in the adapter constructor, as well as in runQuery(), I use a cursor returned by SQLiteDatabase#query obtained via an SQLiteOpenHelper instance.Should I be using on these cursors or not?If I don't use managed cursors, then I get "leak found" warnings ("database was created [sic] but never closed").
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Aug 11, 2010
I'm having problem with creating AutocompleteTextView in custom dialog. In every example i saw, the autocomplete feature is only in the classes that extends activity.I need to have autocomplete in custom dialog that I created.
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Feb 20, 2010
I just got my first Android phone (N1), and like it so far.There are a few things that drive me up the wall, though.One of them is the 'autocomplete' (not sure what it's called): where Android suggests words as you type a text message. Great when I'm typing English, not so great when using other languages.Can this be turned off?
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Mar 17, 2010
I cannot seem to dictate the behavior of the onClick function.When a suggestion is clicked, it fires off the intent immediately. Is there a way for it to instead of firing off the intent immediately,simply copy and paste the suggestion as part of the search string?Eg. when typing in J,o,h the suggestion "John" comes up. When I click "John" can it copy that text into the search bar instead of immediately processing the search with John?I'm assuming theres a simple configuration which I cant seem to find.I dont want to go extensively into catching the fired of intent and re-processing etc
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Oct 22, 2010
I am trying to implement a dynamic auto complete widget in android.I am done with the major functionalities and the auto completion implemented is for youtube video search.When I start typing a letter or two, the auto-completion is not working. But when I type three letters or more it works prefect.It also works when I type two letters and hit a backspace.I do not know what is wrong with the code.
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Oct 27, 2009
I've run into an issue with an autocomplete field I'm working on.The field I'm working with is composed of the form "<NAME> (<CODE>)".When a user starts typing in text, I want to display any results that match either NAME or CODE.For example, if this list contains items and their codes, like "Personal Computer (PC)", then I'd want the list to pop up that row if the user types "P", "PC", "Per", etc.However, the problem I'm running into now is how to best sort the results that come back from this.For example, If someone enters "PC", I want "Personal Computer (PC)" to be the first result. However, if there's another row (you'll have to bear with me as this is contrived) "PC Case (301)", then there's no simple ordering I can do on the results to ensure that the best match appears first. Ordering by name and code both returns PC Case first.I want a query where it returns the best match first, rather than items in alphabetical order.Is there such a function I can use in SQLite to get this, or should I return the results and then mess with the order in the code?
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Sep 25, 2010
Using the stock keyboard, how can I get the word "it's" as a selection? It's amazing it's not there, so I have to manually put in the apostrophe. The capital version (It's) is there, but not lower case.I've clicked on the "+" sign and added the word, but it still doesn't show up as a choice. Any ideas?
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Sep 15, 2010
In my Android app I want to have an input field with autocomplete. The number of items will be about 300000. The best solution seems to be to put the items into a file (on sdcard), one item per line, each line would have the same number of characters so that I can seek to specific line number. If the user enters something in the text field, I would binary search (via RandomAccessFile) the file and show suggestions.I want the autocomplete to be super fast (ideally under 100ms but I guess it's impossible), what optimizations I can do?
Update 1:
I will convert the users input to lowercase english characters (a-z) with spaces. So 'A/b' would be converted to 'a b' and then searched.
Uodate 2:
I now realized I need additional thing - to search for word-starting substrings.
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Nov 4, 2010
I have written some code for autocompletetextview in custom dialog box.When typing some text that text dynamically search into the hashmap.This hashmap is with large lines of text.It works.But slowly giving me result.
CODE:............
If I take thread for above code it is giving me thread handler exception.Please give me an idea for quick response of list on autocomplettext.
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Oct 2, 2010
How do I disable the autocomplete function as I type as it drives Me nuts in autofilling words that I do not want.
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Sep 11, 2012
My business app requires specific items to be entered into EditText Fields. (Zip codes for the state of Virginia only, for example.) I am using an AutoCompleteTextView, and it is working as advertised. How do I ensure that only one of the items shown in the auto-complete drop-down list are allowed in the edit box field.
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Jul 28, 2010
Can anyone tell me if there's a way to cancel autocomplete on a word as I type so that it wont replace it with a dictionary word AND not add the word to the dictionary?
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Oct 8, 2010
This is a new issue, not sure what is going on.When I type a message the autocomplete/suggestion from the keyboard is changing words for me that are RIGHT.It usually fixed things that may be spelled wrong pretty accurately, but now it is making changes to good words.For example, i sent my friend a message "ARE YOU GOING TO THE GAME."It kept changing the TO to YOU for no reason."ARE YOU GOING TO YOU GAME." Also, it has stopped suggesting words when I am almost done typing, just shows the current word on the screen instead.I am using Smart Keyboard Pro.
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Jan 21, 2014
I'm trying to learn how to make an autocomplete textview in an android app would have a dropdown list of contacts with their numbers, based on the letters that the user enters that match a part of a name of a contact.
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Aug 22, 2010
I will like to know if we can continuously call some service for fetching results and displaying in Autocomplete list.I have one screen with the text box and when user starts entering in that textbox the autocomplete should get filled with the data. The data will not be hardcoded and will be fetched through http connection.I think I need to call http connection in onTextChanged method of Edittext but is that the perfect solution.Moreover, should this type of implementation done in mobile application. Since, this feature is web based. Can this be done in mobile application too?
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Oct 26, 2010
Can anyone kindly guide me as to how to implement a dynamic auto complete widget in android. My requirement is, as I type a letter, a thread will work and will return an array with 5 suggestions maximum. I need to display these 5 suggestions in an auto complete list view.Experts please guide as to how to implement the same.
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Apr 13, 2010
I've created an AutoCompleteTextView box that displays the names of all contacts, but after looking in the Android APIs, it seems my method is probably quite inefficient.Currently I am grabbing a cursor of the all the contacts, placing each name and each contact id into two different arrays, then passing the name array to the AutoCompleteTextView.When a user selects an item, I lookup which ID the contact selected in the second id array created above.
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May 6, 2009
I am seeing the exception in 'adb logcat'.But I don't know if it is caused by my application or android platform.Can you please give me any idea how to troubleshoot this exception?
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