Android :: Tips - Tools For Working With SqlLite In Phone?
Nov 14, 2010
I'm a .NET developer starting to dig into an android application. One thing that seems a little abstract is working with SqlLite. In a .NET application, I can do my Database setup, query testing and profiling, and enter in some test records through Management Studio for MSSQL. In fact, I'm constantly in Management Studio checking something - so I'm finding it difficult to work without a similar tool.
What are some good tools/tricks to use when developing SQLLite on Android? The tool doesn't have to have a GUI, but would be nice if I could run it as a desktop app and have it look at the same DB as my emulator.
For instance, something that will allow me to run a simple SELECT statement against a table to view records without having to do it through android?
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Dec 26, 2009
Can you please advise if development tools Eclipse, Android sdk, usb driver etc. are working properly under Windows 7 32 and 64 bit?
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May 27, 2010
Tried in CM forum and on IRC with no luck, so I'll try here....
Since loading Cyanogen 5.0.7 and now 5.0.7.1, I have been unable to get SDK tools working in order to push apps to my Droid....when I start with the usual "adb shell" I get an error message saying "adb server out of date....killing"...I then get a "device not found" message any time I try to connect again...
I downloaded the newest version of SDK tools thinking that would update the adb server, but that did nothing. I upgraded to the 5.0.7.1 Cyanogenmod ROM, but getting the same message...
USB debugging is connected. my Droid Sd card is not mounted worked fine before upgrading to CM 5.0.7 stable. worked fine on 5.0.7 test 1.
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Sep 6, 2010
I'm currently developing a software under android and im getting quite quickly some OutOfMemoryException.... I did modified some part of my code to use more static variables instead of making new allocation with the "new" operator but is there any things else to do ? or any other tips ? Any advices would be welcome.
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Aug 10, 2009
I am doing a research about the tools supported in android. Or some site that have informations about any tools. Any kind of tool. If someone could help me, itīs very important to me.
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Aug 26, 2010
How can I integrate into the Android SDK tools to do for example: 1) See a list of installed devices 2) Start a new device to run 3) See a list of devices started 4) Install my application (uninstall before install). I got this from the command line but want to use it from an application.
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Aug 10, 2010
I have a copy from my Razr days. Would it be advisable to update and try using with my new DX?
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Jun 8, 2010
I want to know how can I get the number of records (rows) in a specific table in my db. I need this so I can create a loop to go through every record and add each one of it to the specific Array and display it later on.
This is the source:
CODE:....................
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Oct 29, 2010
I created database in sql lite with commands:
CODE:..........
I saved to file myDatabase.db and i'm trying open it through android. I open new project in eclipse i put my database in assets folder and i tried open my db using code:
CODE:...........
And i can't open my database.
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Nov 18, 2010
I have a 800 kb xml file on a server. I download it, and parse with a SAXParser.
And then i add all item elements to my SQLLite db on the phone.
All item has 50-60 element.
One insert query take about:
11-18 21:15:54.079: ERROR/448 delay_(9169): 41207
11-18 21:15:54.099: ERROR/448 delay__(9169): __ 41223
about 20-90ms , i have 500 row, and it takes 40 minutes, it is a good value for this?
How i can do it faster? Is it possible?
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Oct 30, 2010
What's the easiest way to populate a SQLLite table with data off a URL?
I'm writing a Delphi web app that will generate a file on a server for my Android app to download.
In Delphi, I'll probably save it as a .csv file and use bulk import to import into MS SQL Server.
What's the easiest / best practice way to do this in Android? How would I download the file from the URL and then load it into SQLLite?
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Oct 14, 2010
The one thing which I hate about Sense is the ridiculous swipe to answer feature when the phone is locked, I found Easy Answer Button and My Phone Tools. I used both but with limited success. It seems that with either one of those apps installed, I would constantly miss calls. The phone simply wouldn't ring and/or vibrate. I have my phone set to ring and vibrate when I receive calls. When using My Phone Tools, the first few seconds of the ringtone would play, and then it would be stop abruptly. With Easy Answer Button, the results were even worse: I would receive a call and the phone would not ring or vibrate. Of course, this didn't happen every time I received a call. But, when using these apps, a day didn't go by where I didn't miss a call because my phone simply didn't ring.
For those Incredible owners who have used either one of these apps, I'm wondering about your experience with them. Have you experience a similar problem with your phone not ringing/vibrating? I'm trying to determine whether or not it's just me or another app I have installed on my phone. It's been a day since I uninstalled Easy Answer Button and I have yet to miss a call. This leads me to believe that it's one of those two apps. Also, are there any other apps out there with a similar functionality? I'm currently running stock 2.2 (rooted, s-off), and not too interested in running stock vanilla. But I am wondering what other options to the slide to answer feature are out there.
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Jun 6, 2010
I'm kinda new to android programming so please bear with me. I'm having some problems with retrieving records from the db. Basically, all I want to do is to store latitudes and longitudes which GPS positioning functions outputs and display them in a list using ListActivity on different tab later on. This is how the code for my DBAdapter helper class looks like:
public class DBAdapter
{
public static final String KEY_ROWID = "_id";
public static final String KEY_LATITUDE = "latitude";
public static final String KEY_LONGITUDE = "longitude";
private static final String TAG = "DBAdapter";....................
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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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Mar 16, 2009
Has anyone got an example of how to write a ContentProvider that gets its data from somewhere other than a SQLLite database? Mine is half working, in so much as I can retrieve the requested data and apparently populate a MatrixCursor, but I can't figure out what I'm supposed to do with the 'projections' parameter supplied to the 'query()' method.
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Jan 31, 2010
How can I backup my database to the sdcard automatically in my app? And afterward, how do I restore it?
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Dec 11, 2009
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.my_list);
mDbHelper = new MyDbAdapter(this);
mDbHelper.open();
fillData();
registerForContextMenu(getListView());....................
The date is actually stored as an int in the SQLLite database, and thus it displays as an integer. Does anyone know a way to create a date from the int so it doesn't display as 1216544611 (or whatever) but as "12/11/2009 11:32"?
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Jun 7, 2010
Hi. Can someone please tell me how can I easily display every record from sqllite in ListActivity tab? I'm kinda confused with this. Do I have to create db from my helper class in TabActivity or ListActivity or both? My db helper class is as follow,,.
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Aug 11, 2010
How can I copy my data from xyz.xml in my assets dir to my sqllite db during development in android platform
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Jun 17, 2009
I have a database in Excel and I want to import it into SQLlite so I can use its contents in spinners and other features of my application. I have done the tutorials and surfed online but no indications at all for my specific problem.
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Nov 2, 2010
I am working on building an android app but I'm nothing that my SQL operations are taking forever to complete
I have profiled the app to narrow it down to the act of moving the Cursor to the first row of the result set for a simple select query (only returning 1 row where I'm testing it to eliminate the size of the result set as a problem.
Are there any better options for moving to the start of the result set?
edit:
some code...
this runs 3 times and i have time it to approximately 2 secs for all the rest of the code or over a minute with this in.
i have also run just the rawQuery statement with out the move to first and its takes bout 18 secs so im looking at the worst part of the code first.
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Aug 16, 2010
i want to set balloon tips in android google map... please tell me how can we set and display balloon tips ?
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Aug 17, 2010
I am new at using android so new tips and trick would be appreciated.
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Jan 4, 2010
i am starting to develop Android applications and i would like to know if there are any tips for creating lightweight applications. This is my first attempt to write applications on a mobile platform but i hope that my experience in programming will help.I have in mind the "Better, Faster, Lighter Java" book, but will this be "the" answer to my question? Are there any tips specific for the Android Platform that will allow me to build lightweight applications?
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Apr 22, 2010
What are the best practices people have used to integrate help/tips in their application? One way I can think of is having html snippets in resources or assets - perhaps as html files - maybe as formatted strings. However, I think it would break down once an html file linked to another html file or an image or icon. I'm sure some of you have apps that are so wonderfully intuitive that they don't need any help. And I admire that. But I'm not making that assumption for my app.
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Jan 19, 2010
I'm starting down the road of Android Development. At this point I'm looking for some insight from other developers who have been doing 'droid development and have some experience to share with someone who is just starting out. This can be anything from API to AVM to IDE. Any unexpected things come up while building your apps? Any tips for project layout or organization that help facilitate the deployment process to the Android AppStore? Any patterns which specifically helped in a particular situation?Even links to great blogs or sample apps and resources beyond those which you can grab from Google Code
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Apr 21, 2010
So I am enthralled with the voice search - especially for navigating.I say, "navigate to the nearest wal greens" - and it's always right.Does anyone have any other cool voice commands that they use?The word "nearest" would be the cool portion I guess.
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Nov 18, 2010
I have created a program, with a service - the service is "START_STICKY". So when i close the program (i am using Advanced Task Killer, to kill programs) the service is restarted automatically, but this presents a problem cause i get an error when trying to call ContextWrapper.openOrCreateDatabase(ContextWrapper.java:203) (see stacktrace below).
I have created a class to handle context, which will return my Activity's context if it is not null, or a fake one i created if the activity's context is null - and the activity's context is null so the fake one is used, i suspect this may be the problem, but have no idea.
In my activity i have a constructor which gives a reference of it self to the contexthandling class, but it seems the activity is not instantiated (not before the service is started at least) when the system is restarting my service.
There is of cause no problem when the program is just started normally, the service starts fine then... which is why i am suspecting the fake context, i created it as follows (and it is referenced in the manifest application tag with android:name=FakeContext):
CODE:...........
Stacktrace:
CODE:.............
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Feb 15, 2010
I wanted to go over a few things with everyone. Don't any of you take this the wrong way as I am just writing this to try and help everyone new to the scene.
When I first got into Android I had a G1, that was a little over a year ago. I used it stock for about 2 months and then started going to a site called xda developers. Some of you probably know about it, for those who don't it is a site that focuses on developing and hacking WinMo and Android. I learned a ton of stuff there, but at first it was SCARY, so much information and so many new technical terms I had never heard of before. I took my time reading things and asking people questions for about 2 weeks and when I was finally confident in myself I rooted my G1. It took me like 2+ hours to do it, I installed a new Recovery, flashed a new SPL and Radio, I even got a Sense UI ROM installed on it. It felt great.
Now here we are with a much higher spec'd phone, the Droid, and it has attracted a TON of new users. It is great because now Android is evolving faster then it ever has, and we are getting tons of new developers creating some amazing stuff. It has all happened so fast and a lot of you are trying to learn everything as quickly as possible. The Sholes SMUpdater app has made all of this VERY easy for anyone to do, but the problem with this is that now when something goes wrong you have no idea how to fix it. When you want to do some modifications that involve ADB or Terminal Emulator you have no knowledge on how they work. By skipping all the hard parts you have basically shorted yourself on TONS of knowledge which, to me, is sort of a requirement to rooting/rom flashing.
Now I agree that SMUpdater is a great tool to save time from having to learn everything, and it makes it easy to get the newest Sholes ROM. But there is SOOO much more to Android hacking/development then Sholes. When you want to try something new and different then what will you do? This is why I HIGHLY recommend that everyone does some heavy researching, take a weekend, or some blocks of free time, and read. Read until you can't see straight. Let it all sink in, and practice practice practice. I promise you will become such a better user, you will understand what is going on with the system.
If you don't study and learn, then what happens when something breaks? You can't always expect someone on a forum to come to your rescue. Of course there will always be things that happen which require some really advanced users to fix, and even I have t ask for help from time to time. But to not learn even the basics is just absurd, it hurts you and it hurts the community because we have to spend all our time fixing very basic and simple problems.
I hope no one here took offense to this because I am doing this to really help everyone here out. The more we all know then the more we can do.
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Feb 14, 2009
I'm looking for tips, tricks and resources on optimizing a website design for Android's browser.
I'm building an Android app and some of the functionality will be accessible through a web interface.
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