Android :: Use Flat File Or Database For Storing Quotes In Application?
Oct 14, 2009
I am developing an app on Android that will randomly pick and display an inspirational quotation (or verse) from a large collection of quotations. On Android I can choose between a flat file and an SQLite database. The app should satisfy the following conditions:
Be scalable to 10^6 quotations and/or verses
Be very fast (i.e. retrieve and display a quotation, immediately at the touch of a button)
Be able to load new quotations from an external source (in a format I have not yet decided)
What data format must I use?
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Oct 26, 2010
I want to do an android application that can store files from phone to a website. can u please tell me which all softwares i would need.
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Jan 21, 2010
In Android when you upgrade a database all data is lost. I'm going through a phase of development right now that is forcing many database upgrades. I don't want to lose all my data (and have to manually re-enter it) each time I upgrade my database. I would like to store my data in flat files and load those flat files into their respective tables each time a database upgrade occurs.
My questions is: What is the best way to go about this on the Android platform? Where should I store the data files (res/raw???) What sql should I execute to load these files?
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Jul 15, 2010
I want to store a few values in the form of high scores. But since im not going to be storing more than 5 values, using SQLlite doesn't seem appropriate. Another option considering was a flat file, but not sure how to go about..
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Oct 31, 2009
I'm probably missing something obvious, but for some reason I don't manage to put a string with double quotes in a resources file.
strings.xml: <resources> <string name="message_empty_folder">Folder "%s" is empty.</string> </resources>
LIstFolderActivity.java: String format = getResources().getString (R.string.message_empty_folder); System.out.println(format);
Log output: Folder %s is empty.
What's eating up the double quotes?
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Nov 16, 2010
I would like to store an object into a SQLlite database. I am looking for how to best do it in order to ensure that if I need to updata/change this object in the future that users of the new and old object layout will be minimally impacted. In other words I want to ensure that making changes to the object will have minimum affect on clients that do not update their software on the old database format.
I want to also ensure an easy update from the old record style to the new format. I was thinking that I could add an element in the SQL row to identify the object type with a unique name, and to identify the object version number. That way I could read the row and use the object number to control the deserializer to use the correct version of the class.
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Aug 10, 2009
I need some help to store a Object in an SQLite database using Android.I don't know whether it is possible or not.If it is possible means please give some code snippets to create a table which can store an object.
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Aug 19, 2010
I am working on some sample programs, where i have to take the value from the user and store it in the database. I have used DroidDraw to create the XML code for UI.For now, I have just started with a textbox. So, I have to take the value from this textbox and store it in a database. I am using SQlite browser to create tables. I read in some forums, that one way of doing this.
1. Copy the db file in the asset folder of the android project and use the AssetManager class. But i am not able to figure out how to use the asset manager class here. Or if I could get some simpler suggestions on how to store the value from user into the database, it would be great.
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Aug 10, 2009
In one android application, I created a database file in data/data/com.rams/databases/dbfilename.
If I created a second application with the same package name (com.rams) and I access the database file created with my first application, the second application is able to access the database contents.
How can I secure the database file created with my first application?
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Nov 21, 2009
I'm having trouble retrieving image references from my database and then setting them to an ImageView. When I pass R.drawable.icon into my database its compiled and stored as an Integer. how would I then pull this Integer out and use ImageView.setImageDrawable(); ?
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Sep 22, 2010
I am parsing the website to store the contents in a URL, in that some images are there, i want to store the images in database which are parsed from the site. i m really struggling on this, can any one help me regarding on this?
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Nov 4, 2009
I want store an image using a SQLite database in Android (using an insert statement).Also I need to retrieve the image from the SQLite database and display it on the screen.
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Apr 27, 2010
So I have an app where I put arbitrary strings in a database and later extract them like this:
CODE:......................
This works fine in all cases except for when the string looks like a float number, for example "221.123123123". After saving it to the database I can extract the database to my computer and look inside it with a DB-viewer, and the saved number is correct. However, when using cursor.getString() the string "221.123" is returned. I cant for the life of me understand how I can prevent this. I guess I could do a cursor.getDouble() on every single string to see if this gives a better result, but that feels sooo ugly and inefficient.
I just made a small test program. This program prints "result: 123.123", when I would like it to print "result: 123.123123123"
CODE:.................
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Jun 30, 2010
I am new to android application development.I have create registration form with user name,password, email. this values should be stored in sqlite database table. retrieve the data from the table. in login.java i have create the table and insert the values of registration form data in to the table dynamically. In databsehelper.java extends the databaseopenHelper class overwrite the oncreate and upgrade methods.this class i used this class in login.java. In display.java i am going to display the data in on success register details. there are no errors but it gives the error on the emulator unexpectedly stoped...................
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Jul 2, 2010
I am developing an application for android phone, In this I need to use at least 400 audio file which can
be played for some respective texts,Now my question is which is the optimized way to do this.One solution is putting all the audio files in the resource folder and referring from there, this will never be a feasible solution as the application size will increase. Is there any way to convert the audio file into some format and dump into the SQLite database and retrievr flexibly.
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Oct 7, 2010
This is off topic (off Android really), but does anyone know where to find good advice on moving to a "paperless office" using cloud software.I want to keep all my stuff online using a scanner and cloud based software. I'm posting here because many on this forum are software junkies and would at least know a few forums to direct me to.Actually, to bring it back to Android, I will be using my smart-phone to access the cloud to see my docs, which is a big reason I want to move to the "cloud."Here is my main question: What is the best cloud-based tool to store electronic documents? Google Docs, Evernote, or DropBox?
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Sep 18, 2010
How to store image and audio files in android internal storage and how to retrieve back to display image imageview.
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Apr 8, 2010
I am still learning bu find Android the cool platform for allot of useful applications. I have written a Service for doing GPS tracking and it consists of a Service and a Control activity to manage, monitor and configure the service. I am looking for the preferred way for the Control Activity to define settings for the Service, things like IP address and Update interval. I envision something like a Registry on windows where these settings can be shares and updated.
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Oct 12, 2009
Where should I store my Android application's configuration settings? Coming from the .NET world I was expecting something like .config. Do I create a file under res/values, and use that?
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Jun 4, 2010
Looking for some inspiration from other like minded intelligent folks.
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Dec 1, 2009
When we are creating a databse in android through sqlite. where it is saving. How can we find the database file?...
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Sep 6, 2009
I need to somehow backup my applitcations database to a file so that it can later be retored using that file. The only way I would do it would be by reading every table to an xml ffile but it seems soo ineficient. The data does not have to be humand readable.
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May 22, 2010
Is it possible to take a csv file stored in the res/raw resource directory and use it to populate a table in the sqlite3 database? My thought was that, if there was a way to do a bulk import for the entire file into the table then that would be cleaner and faster than iterating over each line in the file and executing individual insert statements...
but I'm having trouble applying those statements in my Android application. My first thought was to try something like the following...but no luck:
db.execSQL("CREATE TABLE " + TABLE_NAME + "(id INTEGER PRIMARY KEY, name TEXT)");
db.execSQL(".mode csv");
db.execSQL(".import res/raw/MyFile.csv " + TABLE_NAME);...............
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Aug 14, 2009
Is it a problem that i put 17 Mb database to /data/data or should i put it to /sdcard?
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Feb 24, 2010
I am trying to locate the database files on my nexus device.. is there anyway of doing it without rooting the device?
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May 30, 2012
Using Local XML file as a database for a android app?
I am trying to build a app with flash using a xml file as database, to read the xml from a external file from the local directory isn't a problem, the problem is how to write data from flash to the xml file.
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Nov 23, 2008
Is there any application for TDAmeritrade streaming stock quotes and trading on the G1? there is an app for iPhone called iStockManger but I don;t see anything for my g1 .
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Aug 13, 2010
Is it possible to get path of database file in android at path : "/data/system/accounts.db"
In my app i want to use this database, but not getting its path. if i do hardcoding and remove the file i'm able to do it. But i want to access it as database so that i can drop the table.
code i tried:
CODE:.................
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Jan 3, 2010
I'd like to add a feature to my android app that automatically backs up the sqlite database to the sd card.
What's the best way to go about this? Any examples/tutorials available?
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Feb 5, 2010
Is it possible to choose a custom location for the sqlite database file? If possible I want to store the database file in the memory card. And if user switches from one memory card to the other I want my application to use whatever version of the database file available on the card.
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