Android :: Best Way To Store Application Data / When Data Stored / Data Format Could Change In Future Versions?
Mar 4, 2010
I'm making an Android Java app game (although this question applies to all languages really) and hope to release the first version soon. I'm nervous about how I save data in my game. My problem is that, if in a later update, I decide to store more data or store the same data in a different way, I need to be careful I don't lose or corrupt data for users that upgrade (i.e. I want users to be able to use data created by an old version in the new version, like their high scores from before).For example, say I want to save high scores in version 1.
View 3 Replies
Mar 1, 2010
I have a program I used on my Hero (Android 1.5) that worked great.. All it did, was the following:
Settings.System.putString(getContentResolver(), Settings.System.DATE_FORMAT, "dd.MM.yyyy");
This does not work on my Nexus One, why? If I call Settings.System.getString(getContentResolver(), Settings.System.DATE_FORMAT); it tells me that the format is "dd.MM.yyyy" but none of the programs displays the date format like that...
What am I missing? Is this not possible with Android 2.1? Or is there a different way?
View 2 Replies
View Related
Feb 5, 2010
I have retrieved some information from database using Android application. I want to display this data via a table format in my application.
View 2 Replies
View Related
Jun 23, 2010
to start with I've gone through the entire notepad tutorial, I'm a professional game programmer who has some extra time. (though most of my time has been in C++, I did take a year or two of Java classes in college, and remember some of it). I'm not sure the site is a good site to ask questions like this.. If someone has a Forum that might be a good place to ask these newbie questions, please feel free to point me in the direction. I've examined a few of the samples, and think I've a grasp of what I want to do. I've a three to four project plan for some Android releases to sharpen my skills, but since this is my first project and I have never really developed for a mobile phone or the android before, I'd like to make sure I have a solid plan.The first project is an example of the license plate game, however I want to do a few things to change it. Heck maybe when I'm done it'll become a bingo style game, with bluetooth connectivity, you never know. The base idea is I want to offer a list of states, with checkboxes next to them. so to do this, I'll be starting with a Linear List layout similar to the note pad example, and then have a row that is only a Checkbox. I can use text and call strike through if it's been checked off. Perhaps offer an option to not show them if they are checked.
But I want the list to be generated from a set of lists. Maybe all of America's states, maybe reasonable American states (no Hawaii, no Alaska) maybe a North American list, (add in Mexico and some Canadian provinces), a European list, who knows. I'd probably have to have a pop up window that lists all of the lists I suppose using a radiogroup of some sort. So then as far as the data, after weighing options I think best solution is to make a database with two fields, "checked" and "name".I figure I can use the menu for most of the user interaction (aside from clicking on stuff we want to check off) with maybe a few context menu items, I understand how to make all of those already so I should be good. The question I have is what is the best way to populate the lists? Should I create raw data, and have different files for all the lists? Or is there some other way to do this? I've seen this done on the searchable dictionary, but I'd like to hear what people who have actually generated the data like this before. In addition is there an easy way to look at the sql database these applications create, or do you have to run searches on them and output the data? Finally any other suggestion or advice? I definitely want to try to get something like this on the market so I can see the full life cycle and see if anyone actually likes it. (luckily there's not a plethora of them already) but I also want a few people to look over my code if they're willing when I'm done to make sure I've done this right or at least not missing any basic mistakes.
View 2 Replies
View Related
Sep 28, 2012
it is possible to use mysql in adnroid application to store data?? or just SQLite for application in android
View 2 Replies
View Related
Jan 24, 2010
I'm developing an Android and web application that will function as a service (use the same data). My question is how should the data be stored to allow for both the web and the android application to have access to the same set of data? Should the android application connect to the sites MySQL server to store/access data? If so how do I allow someone to access the data when they are not in a service area?
View 1 Replies
View Related
Sep 10, 2010
I want to build a data structure in my application to store many entries indexed by keys. Each entry has several parameters to retrieve and update.
View 2 Replies
View Related
Apr 27, 2009
Suppose you have an app with a lite version and a full version. The app stores some user data in SharedPreferences, and some data in a SQL database. If a user tests the app for a few days, generating data all the time, and then decides to switch to the paid version, how do you copy or share the data between the two? Some code examples would be appreciated - but for some reason I have a feeling this is much, much more complex than I hope.
View 8 Replies
View Related
Jun 22, 2010
package one.two;
import java.util.ArrayList;
import java.util.List;
import android.app.ListActivity;
import android.database.Cursor;
import android.inputmethodservice.Keyboard.Row;
import android.os.Bundle;
import android.view.Menu;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView; Code...
View 3 Replies
View Related
Nov 17, 2010
I'm having three strings that I have to glue together.
I have an input string (string 1), which I have to run a regex (which has groups) on (string 2) and extract these groups to put them in a template (string 3) using backreferences.
A short example could be :
input: "foo1234bar5678"
regex: ".*?(d*).*?(d*).*"
template: "answer: $1 $2"
which should be expanded in "answer: 1234 5678".
I have been using java.util.regex.Pattern, but I can't figure out a way to do this with matchers. Obviously, replaceAll is not the expected behaviour, nor is append*.
Is there a way to do this nicely using the android API ?
EDIT:
Here is a basic implementation :
public static String genOutput(String regex, String input, String template) {
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(input);
if (m.find()) {
for (int i = 1; i <= m.groupCount(); i++) {
template = template.replaceAll("$" + i, m.group(in}} return template;}
View 4 Replies
View Related
Sep 24, 2010
Is it possible to provide files into the data/data directory of an android application on install? If so, where would I put these files in my project?
View 1 Replies
View Related
Mar 16, 2010
How I'm able to do what I've written in the topic. I've looked through many tutorials on AsyncTask but I can't get it to work. I have a little form (EditText) that will take what the user inputs there and make it to a url query for the application to lookup and then display the results.
What I think would seem to work is something like this: In my main activity i have a string called responseBody. Then the user clicks on the search button it will go to my search function and from there call the GrabUrl method with the url which will start the asyncdata and when that process is finished the onPostExecute method will use the function activity.this.setResponseBody(content).
This is what my code looks like simpliefied with the most important parts (I think).
CODE:.......................
View 1 Replies
View Related
Mar 2, 2010
For my CS bachelors I am doing a Senior project using android and google maps.My vision was to do a (relatively) simple Dijkstra shortest path using google maps road data. I was going to add elevation change along with 2D distance. I am doing well playing with maps in android but I am completely stumped trying to access google maps data in any sort of searchable form.How would I go about accessing the data for say intersections of roads (lat/long) in a particular area?There has to be a way to pull that data in some sort of tree form. It seems like it may be possible with kml?Any pointers would be awesome.I want my paths to follow roads but If i cant this is going to turn into an orienteering application fairly fast.
View 2 Replies
View Related
Apr 14, 2010
Is it possible to copy a file located on the sdcard to a package's internal filesytem located at /data/data/packagename/files/ folder?
View 3 Replies
View Related
Jun 2, 2009
I just want to capture the updated screen data instead of reading all data from framebuffer. Can I get this data by what method?
View 4 Replies
View Related
Feb 23, 2010
I'm starting to develop an application for Google Android and heavily relying on a web API that can deliver data in a restful way via json or xml. I now have to decide which library to choose.
I saw that google includes org.json classes in the API but haven't tested them yet.
How are your experiences? What library/API should I use and why?
View 1 Replies
View Related
Dec 18, 2009
Is there any way to Format the SD card data, through Android SDK code?
View 3 Replies
View Related
Nov 14, 2010
I am writing an application that needs to store keys that will be compared against later. How can I do this securely? I have looked into using a SQLite database, but this doesn't seem to be secure at all...any thoughts?
View 2 Replies
View Related
Sep 16, 2010
I write app that hold route information (array of GeoPoint ) for every race.At the end of each race I want to save information about race. They may have 100-200 GeoPoints (70.22222, -20 33333), each race.Example for one race:
70.22212, -20 33253
70.25222, -20 33463
70.26232, -20 33573
70.27242, -20 33683
Now I store this information in this array List<GeoPoint> race = new ArrayList<GeoPoint>(); Where to save information for every race in Android (Database, internal XML)?
View 1 Replies
View Related
Jun 22, 2009
I'm writing an application that needs to store some small jpeg or pngs. Looking at the documentation i have seen that databases are stored under /data/data/package_name/databases I decided to store my data under /data/data/package_name/files. With the emulator i can see all these files (databases and images) under the proposed directories but moving the application on a real device and installing a file system browser i cannot see any file under /data. Can anyone explain me why? My application works perfectly on my mobile (HTC magic) so i think that data is downloaded and stored. If this is a security constraint,do i need to put the application under debug on the mobile in order to inspect file system?
View 3 Replies
View Related
Jul 28, 2010
I wanna develop an app that uses CSD or Data channel of GSM Service to send data. Can anyone help me out with it?
View 1 Replies
View Related
Aug 9, 2010
Dear Android geeks, I am new to android development, and i want to develop an app in which u can set some data and location in google map and at a later time we can retrieve it also. Please help me out with it I am not able to set data in maps.
View 20 Replies
View Related
Feb 1, 2010
I'm trying to get a list of folders in /data/data that starts with "totalcross". Is this possible? All i get is "permission denied". All these folders are signed with the same key and have the same user id.
View 5 Replies
View Related
Mar 29, 2009
I am saving an image using openFileOutput and now i want to use this image in my java script file.
View 9 Replies
View Related
Feb 23, 2010
For a particular activity - what is the best way to store data that needs to be displayed. The issue is that when the user changes orientation, you need to be able to re-render your activity which means you need to get back at that data that you use to render. I understand the MVC design pattern, but I guess I'm wondering where the M should be stored. Global variables? Static members of your activity? Serialized to private storage?
View 2 Replies
View Related
Aug 19, 2010
I am looking for something like SugarSync, but something that does not store data in the cloud. I want to sync folders from my Incredbile to my PC and vice versa.
View 10 Replies
View Related
Sep 19, 2009
I need to store data securely. So can some one tell me what should be the best way to store it on device. Is there something like registory in android.
View 2 Replies
View Related
Sep 14, 2010
- Hide quoted text -
View 6 Replies
View Related
Feb 4, 2009
This issue has troubled me a lot, please help if you have any ideas.
- I am accessing an xml file from withing the apk, (stored in /res/ raw). The xml is read succesfully. My goal is to use this xml file as data that can be changed in the apk.
- I tried unpacking and packing the apk file with ZIP compression and the newly packed apk worked on the phone.
- I changed the xml file and packed the contents of the apk into a new apk
- "install was unsuccesful" was the result of installing the new apk
As I see it, for every file stored into the apk, there are equivalent references stored in the manifest and cert files:
for example: SHA1-Digest: YS8iSCii71WMNrK7CHy5XLXBo+k=
Do you have any other ideas of how I can store/alter information into the APK?
View 7 Replies
View Related
Jun 12, 2010
I know what your thinking, lame calculator trick well here it goes anyways if you hold the c or "clear button down while in the calculator it will clear the stored data!
View 5 Replies
View Related
