Android :: Limit Records Fetched - Sqlite Database
Apr 22, 2010
I am trying to fetch sms messages from inbox, sent items and drafts. I would like to do a pagination for my list view for that it's imperative that I fetch records in pages/chunks.
I am not familiar with sqlite which is the database I understand android use to store the data. Can someone tell me how can I restrict the number of records I am fetching by using contentResolver.query?
Also what is the way to pull the sqlite database file onto my machine and browse/query it locally to experiment or see data on my machine?
Are there any other better ways to implement pagination in android?
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Sep 26, 2010
is it possible to extract (and read records) SQLite Database out of Android application/.apk file/...)? Because I have some important information in it, so I wanna be sure it's pretty secure (only application has access to it)?
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Jan 30, 2012
Am developed one login form...here post the username and password from database using webservices...now its redirect to another activity,...that another activity having firstname and lastname for particular loged person details only fetched from database using json web services...
Because more number of users are there in admin side(ajay,krish,hari).... i need who r loged(ajay) in the login page that user(ajay) details only displayed �krish loged means krish details only displayed...but i done the some coding...
<?php
$r=mysql_connect("localhost","root","");
mysql_select_db("test",$r);[code].....
..here i set usertype=A...so all A user firstname and lastname details displayed...but i need only who is loged in login page that person firstname and lastname only displayed...
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Mar 22, 2010
i am developing an application which uses sqlite db for storing records. I am developing this application on SDK 1.5.. when i test the application on 1.5 device it works good but when i try to run it on a 1.6 device i get a force close message with following logcat output:
03-19 09:31:35.206: ERROR/AndroidRuntime(224): Uncaught handler: thread main exiting due to uncaught exception..........................
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Aug 20, 2010
This is my SimpleDBAdapter Class that encapsulates all the complexities of accessing the database and the inner class SimpleDBHelper takes care of CRUD operations,now the Problem that i am facing here is when i deploy the code, the tables were getting created, but the
i am unable to insert tht values in to the table, the id is returning -1 that depicts that there is an error,while inserting the values.
id = db.insert(TABLE_SIMPLETABLE_CLIENT1,null,contentvalues);
SimpleDBAdapter.java
import android.content.ContentValues;
import android.content.Context;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
import android.view.ViewGroup.MarginLayoutParams;
public class SimpleDBAdapter {................................
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Apr 30, 2010
i would need to know the past 7 days record. i want to wrote a query for that in where condition. i have very basic knowledge in sqlite. Please help me for this query.
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Jun 27, 2010
I have this query which does work fine in MySQL
CODE:............
Distance is in Kilometers, the input is lat=12.345 and lon=67.89
The SQLite is 3, and I can't run custom functions with it as it's on Android. I also don't have acos() etc... as that is not part of the standard SQLite.
How would be the above query in SQLite?
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Jun 18, 2009
I created a database with records in it and everything. I am trying to use its fields and put it in a spinner. The database contains university names.
I created a spinner with:
CODE:............
where I am feeding the spinner the records from an array. I want to do it from the database that I created. I read thru the classes and there are 2 ways but I can't find a proper code to use any of them. I just want to insert the code to get records from the database. It shouldn't be complicated is it?
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Oct 11, 2009
I have an SQL which uses something like "LIMIT 100". If the cursor returns 100 rows, is there an efficient way of distinguishing between whether the LIMIT caused it or not? I suppose I could just call LIMIT 101 instead but I was hoping for a nicer way.
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Mar 23, 2010
I have a query that selects rows in a ListView without having a limit. But now that i have implemented a SharedPreferences that the user can select how much rows will be displayed in the ListView, my SQLite query doesnt work. Im passing the argument this way:
CODE:...................
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Jun 24, 2010
I've just started working with SQL and Android and from what I can see, updates and inserts back to the database need to be handled individually?
I can retrieve a Cursor containing multiple records, but if I wanted to apply an update to each record in the cursor, I can only see how to do this individually, using ContentValues and Update(), and then the cursor requires reloading??
Same with if I wish to create multiple new records, these appear to be required to be inserted individually? Can I not create a List and bulk insert?
To me this seems slow and cumbersome, and there has to be something I'm not yet aware of (searching for answers is failing me... likely due to using incorrect terms being new to android/java)
Here's a very simple example of what I basically what I want to achieve, however there must be a better way to achieve this functionality. (I know there are some other bad practises in here, just creating a quick eample)
CODE:.........................
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Aug 23, 2010
I'm trying to deploy an application with an existing SQLite database.I've been reading though the examples that are posted but they are always missing some part of the class. I feel like I'm trying to bake muffins but no one told me to use baking powder.Can someone post a full database helper class for depoying an SQLite database on Android? Edit : Delete old code because it doesn't work.
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Apr 12, 2010
I'm currently developing a Field-Service application that stores data in the local sqlite database on an android device. At some point, usually after completing the data collection rounds, the local sqlite db is to be synchronized to a remote sybase db on the server.Any suggestions as to how this could be achieved or engineered as a solution? Or even better, are there alternatives to synchronizing data in such an application?
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Apr 29, 2010
I am trying to make a VoIP application and I wanted to know if it is possible to do the following with the Call Logs content provider -
I want to add new Call Log records for the VoIP call along with the call logs for the regular call. How can I add new records to the existing Call logs content provider?
I want to add custom fields to the Call Logs like a session ID and SIP address(name@domain) field. How can I customize the call logs database?
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Nov 10, 2010
I'm attempting to create a method that will allow me to retrieve a value from the last row of a database, and then insert it into an EditText field. (This is a value that the user will not change all that often, so it would be helpful if when they do set it, it stays set when they come back to it).
My method, based on a similar method I have for getting the total of a specific column, is as such. code...
If I run the program without this statement, it works fine and the value saves to the db. As soon as I try to run it with this, I get a force close. Any suggestions?
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Feb 13, 2009
I'm new to Android, I just finished the Notepad Tutorials, where we can create SQLite Databases to save notes. So I wanted to know if it was possible to "import" my own SQLite database (not created with my App but with a 3rd-party software) to my project, and if the answer is yes, where should I save my SQLite databse and how can I have access to it.
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Mar 25, 2010
I'm doing a application that will use a database with serialized object. The objects will be already serialized and the user will just display things. On a PC I would just make an XML but with android I'm not sure. Can I make an XML and "unpack" it when the user launch the application for the first time or should I do something else?
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Mar 5, 2010
I put my database field in "assets" folder. And use the code from this blog to copy the database to "/data/data/my_packname/databases/", (This copy code i run it in the onCreate() method when i run this app) then use select * from ... to get data. But it gives me the exception: no such table. Someone told me that if i am attempting to copy the file in SQLiteOpenHelper's onCreate(), it's too late. So the copy file code can not copy the complete file. So i need to use adb or ddms to pull the database first? So, Anyone can teach me how to use my own databse?
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Nov 18, 2009
I have a class like class My data{ String name; int data; Location[] locality.
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May 23, 2009
I am new to android and I have a problem in creating a database.
public class database extends ListActivity {
/** Called when the activity is first created. */
private final String MY_DATABASE_NAME = "myCoolUserDB.db";
private final String MY_DATABASE_TABLE = "t_Users";
Context c;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ArrayList<String> results = new ArrayList<String>();
setContentView(R.layout.main);
SQLiteDatabase mydb=null;
try
{
mydb.openOrCreateDatabase(MY_DATABASE_NAME, null);
} catch(Exception e){}
}}
When I run this code it throws a run time exception.
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Mar 23, 2010
How do I delete the sqlite database exists in my android? There is a db behind my android qro and delete the same
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Aug 2, 2010
public void delete(String id, String name, String phonenumber, String time, String message)
{
String[] args={id};
getWritableDatabase().delete("texts", "_ID=?", args);
}
It works fine, and deletes the specified row. However, I also want to implement it so that I can delete the most recent (earliest date) entry in the database, which should be at the top of the table. I know I can do this by altering the last 2 parameters of delete, but I cannot figure out what to change them to.
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Jan 25, 2010
Is possible update the records from SQLite from my Android Application1 from other Application2 Android
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Jul 31, 2009
Is there any UI can connect to SQLite database? I hope that I can read the data without writing code.is there any method can make it happened?
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Jul 22, 2010
Is it really necessary to close an SQLite database that your activity has opened (database is in local memory or on SD card)? I would think it would be good practice, but I noticed that the Android samples such as the Notepad tutorial and SearchableDictionary sample do not do this. I've also seen sample code where the database is consistently opened, read from, and closed, but that would seem to add unnecessary overhead.
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Jun 2, 2010
I successfully created the Database and inserted a row however I cannot Query it for some reason. My Droid crashes everytime.
CODE:...........
I get this exception
No such column: value: , while compiling: SELECT DISTINCT value FROM mainTable
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Jun 4, 2010
I'm looking for a very simple ORM framework working on Android for sqlite. I've been testing activeAndroid but none of the example could ever build on Eclipse. By the way, how do guys implements a "many to many" relationship in sqlite for android ? How do you reflect the cascade regarding deletion of rows and guarantee the database integrity?
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Jul 14, 2009
How to drop a database in Android SDK?
Did not see any methods in android.database.sqlite.SQLiteOpenHelper or android.database.sqlite.SQLiteDatabase classes.
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Jun 10, 2010
I am able to create, write and read an SQLite Database in my Android App. I have a copy of the Database that is fully populated with data, and I want to get that data into the App's Database. Is it possible to access my populated database from inside my App? Or can I at least create a copy of the populated database and then use that copy? Or do I need to do a .dump and put all the inserts into the Android code?
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Mar 16, 2010
I have a sqlite database, and i put this file in "assets" folder. The code like below, Pls help and tell what's wrong in this code, How to use my own sqlite database.
CODE:.............
The error message:
CODE:.................
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