Android :: Application Is Crushing If Database Is Not Populated
Nov 24, 2010
I got some problem with my database in my Android application. Perhaps, my application is working but let me explain you.
Here are just parts of the code from my app.. i don't want to paste the whole it's not needed.
CODE:....................
So when i try to run my app i get Force close, but when i put manually: dh.insert("test", "ooo");
In the onCreate method in my main activity everything is fine and working. So, the conclusion is that i must put some value for the first time i run the app so it can work properly. I thought maybe to update that row with the new informations that i insert later through some TextView's from the app.
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Oct 9, 2010
I have a pre-populated database, I hadd .csv and make a database in sqllite manager and imported all values into this database.
Now I put this database into android's assets folder and want to use this via ORMLite in my android application.
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Jan 19, 2010
I'm trying to bind a pre-populated database (.db file) to my application, so that I could use the data right away. I cannot, however, figure out a way to: 1) Store the .db file inside the application. 2) Access the database inside the application.
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Mar 9, 2010
I am working on an Android application that will need several entries (a single table, with 1000-10000 rows) populated in that app's database before the user can use that app. I've looked around some tutorials and I am unsure of the best way to do this. Should I just check if the database exists each time the app is started and, if it isn't there, create it and insert the thousands of records I need? Or is there a better way to handle this problem? Ideally, it could be included as part of the app's install process, but I'm not sure if this is possible.
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Oct 28, 2010
I have a child Activity that contains a ListView. This Activity is populated asynchronously from a SQLite cursor. The list items contain a TextView, a RadioButton, and a normal Button. The XML is shown below:
CODE:...............
I have to do some logic to determine which RadioButton is selected by default, and I can't do it until the ListView is already loaded. The problem is that with all the events I have tried so far (onCreate, onPostCreate, onResume, onWindowFocusChanged), the ListView child count is zero. I've also tried using the getView method in the ArrayAdapter class, but that method is called mutliple times and the ListView child count is potentially different every time, leading to unexpected results. Apparently, these events are firing before the ListView has finished being completely populating with its child items.
Is there an event I can listen for, or some other way to determine when the ListView is finished populating and has all of its children accessible to be modified programmatically?
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Nov 19, 2010
I have a list view with 2 buttons on each row. I am using a cursoradpater to populate the list. I am also using the view holder pattern on newview() bindview().
My questions are: where do i put the clicklisteners for the buttons knowing that the action for the button is different from the action of the list item itself? Do i keep the onListItemClick ?
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Apr 6, 2009
I know I can specify an e-mail address using the Intent to invoke gmail. But how do I give it the initial content (and allow the user to edit the content if desired)?
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Jul 1, 2010
I am using the Android onTouchEvent to register touch and the associated movement. I then want to iterate a sprite along that path.
I need to store the path traced by the finger for use later on.
The problem is that after the finger is lifted off the screen the ArrayList (pArray) is completely populated with the X & Y position of the ACTION_UP coordinates.
From the Log i can see that it is adding the current X & Y position to the Arraylist while the finger is moving which is great but then the Arraylist gets overwritten by the data in Arraylist.size() - 1...
CODE:.....................
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Apr 9, 2010
I implemented sqlitedatabase using content provider in one application. And created some tables and some data in that. By using another application how to read those database. I am doing in second application as a sql query by using Content uri what i used in application one. But it is throwing exception that read permissin is required. How to give those permissions is it in application1 or 2.
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Aug 4, 2010
I need to know how to create simple android application by sqlite database, how can i view the sqlite database and to view the tables has like other mysql server,Let me help to create simple application with database.where i can find the database.
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Feb 10, 2010
I want manage our web application using an android application. we want to the database connection object. we are using mysql database. and i want to post the data to my server. so please help me for this solution.
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Apr 18, 2010
I have started creating database for my application. It is working well. The data is also getting stored.But the issue is that i require dropping table, that already exists, every time i run the application.
But one thing i found is that whenever i change the version of the database in my code, the table gets dropped. But i would like to know whether it is possible to drop table without changing the version number of the database.
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Aug 30, 2010
android code to delete the database from the application?
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Aug 14, 2009
I have a ListView which is embedded in a ScrollView. I populate the rest of the Views in the ScrollView, then populate the ListView. Unfortunately yhe ScrollView doesn't size itself to accomodate the items in the ListView. Am I missing something? Is there a way to get the View to resize itself to accomodate the contents of the ListView?
Here is the View in question :
CODE:.............
Here is the element view used to render the items in the list :
CODE:................
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Jun 2, 2010
I have a ListActivity which is being filled via an internal class "OrderAdapter" - while the list is being populated I set various OnClickListeners on the TextView elements which should open the same view with different parameter values per line. My problem I have is that no matter which entry in the list I click I will always get to a view with the same parameter ID (it's always the ID of the last line in the list) - even though the output of the ID varies if I output it to the TextView.
Here is the code of the internal class which populates the list in the ListActivity:
CODE:.............
Any ideas why it always opens the view with the same ID even though the TextView "tvCheatTitle" displays a different value in every line?
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Apr 18, 2010
I have a list view which is populated via records from the database. Now i have to make some records visible but unavailable for selection. how can i achieve that? here's my code
public class SomeClass extends ListActivity {
private static List<String> products;
private DataHelper dh;
public void onCreate(Bundle savedInstanceState) {
dh = new DataHelper(this);.....
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Jun 6, 2010
I'm populating a list from the DB and I have a image field in the DB which contains a URL to a image file.
ListAdapter adapter=new SimpleCursorAdapter(this,
R.layout.row, constantsCursor,
new String[] {"title", "subtitle", "image"},
new int[] {R.id.value, R.id.title, R.id.icon});
However, the other fields are populated, but the image remains empty.
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Feb 11, 2010
How to access my web application database in android emulator, i want list out my database values. These are in my web application. database name employees and table: employee_data. i want to get employee_data data on android emulator.
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Jan 31, 2010
I'm searching information about how i can access a specific database that to not belong to me, and that is store in /data/data/com.... directory is it possible without root access? it it possible with root access, and how?
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Apr 6, 2010
I am writing an app that will require a centralized database, along with a small app to digest incoming file data and populate this database.
android phone -> file -> some app somewhere -> some database somewhere
I know this is probably a fairly common situation. Is there a particular hosting service/solution for this? Many apps must do something like this (with high score tables and the like). The trick is, I can't use one of the high-score-specific hosting sites, because I need the app in front of the database to interpret the incoming files.
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Aug 13, 2010
One of my applications downloads a database from a server. When I install the application onto my phone, it downloads the file correctly and loads the information, no exceptions thrown or anything. However, when I upload the apk into the Android Market Place and download it onto the phone, the application downloads the database and then crashes, saying that the sqlite handler was not able to open up the database.
Here's the progression of code:.............
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Sep 16, 2010
I'm testing an application I'm working on and I wanted to delete the database my application creates so I could read all the data from my web server back in to a fresh one.
I launched adb, went to data/data/my.applicaton.package/databases and did a "rm mydatabase". This deleted the database (note: I've done this many many times before without a problem).
I launched my application again and, to my surprise, a new database wasn't created. Even more surprising is there was data in my application. My application is still pulling the data from some where! It gets a Cursor from my database and uses a CursorAdapter to populate the list. So, it is obviously reading from a database (seemingly a cached one?).
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Aug 24, 2010
I'm trying to implement a database in my application. I'm following a tutorial about writing my own ContentProvider, but I'm confused about SQLiteOpenHelper::getType. We're supposed to write it and, essentially, write a switch that returns the MIME type corresponding to the type of data we're dealing with.
I don't fully understand it. I'm not sure, even though I have an example, what is precisely supposed to be conveyed here. How do I determine the MIME type of my different tables of data?
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Nov 9, 2010
I am having a own device which is running on android 2.1.I have installed one application in that .That application will create a new DB if there is no DB for the application.It is creating correctly .I have accessed the device memory as well.I have seen the database in the device memory.But when I reboot the device the Database got erased .The app is not persisting the database after rebooting the device.What will the problem?
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Apr 16, 2013
im try to make apps about information of a city. On the picture has many menu (you can see menu "info 1", "info 2", "info 3"....). in the plan, i will make thats app with Android SQLite, so for each info menu can display an information from sqlite database (read data from SQLite database). The questions are :
how thats app posible to make ?
What the name type or app model (similiar to picture) and what must be learn, so i can know how to build that app ?
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Oct 11, 2010
I'm new to the android application development. I found some packages java.sql and javax.sql packages in the API of android while going through it. My doubt is can I access the Oracle Database directly using drivers. So what type of driver is used to connect.
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Oct 29, 2009
Basically I am creating a database driven website in Web Developer 2008. The database is stored in the App_Data folder of my website project. Could I have an iPhone, Blackberry, Symbian, Windows Phone, webOS or Android app access the database via an HTTP (or some other type of) request? I would like to know if this is possible before I move too far in the programming.
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Mar 20, 2009
what is the maximum size of application's database allowable in Android? In other words whats max capacity of android appl private database, as well as whats max capacity of content provider available?
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Jun 8, 2010
I have android application and service that runs in separate process. Application and service read and write to same database (and same table).
What is the best way to work with database? How to prevent locks?
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Nov 4, 2009
I want to create a sqlite database by importing data from some data files, like csv etc., and then put this database into one of my android application and then deploy into the Android device.
By now the samples and tutorial what I found are all taliking about creating the sqlite database at runtime when running the android application on the device. Is there anyway I can create it offline and then attach it to my application later?
Any tools and docs for this?
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