Android :: Android Database Recreates Everytime Application Is Launched
Jul 29, 2010
Why is SQLiteOpenHelper calling onCreate() every time my application starts up.
Here's my code for onCreate()
CODE:.......................
I have an outside class around my extended SQLiteOpenHelper class, and when I query, I do this:
Cursor cursor = openHelper.getWritableDatabase().rawQuery("select * from circles", null);
and skips this block because of this if statement
if (cursor.moveToFirst()) {...}
Here's my entire Database wrapper class:
CODE:.............
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Mar 16, 2009
I need to execute some operation when the specific application is launched, it is possible to get notification when an application is to be launched, or after it is launched?
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Feb 21, 2010
I would like to know if it is possible to launch my application whenever a new entry is written to phone call log (i.e. out-going, in-coming or missed call). I wrote an application to manage the call log entries as per user preferences by listening to the publication of android.intent.action.PHONE_STATE events. My application is working fine as long as its process is running. However if the user has stopped my application with a task-killer application, then the log entries can not be managed as my app itself was not running. I need a way to make sure that my application is launched in the background if it is not already running when the android.intent.action.PHONE_STATE occurs. Or is it possible to launch my application as a service that always runs?
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Jun 4, 2010
I'm trying to display a map using that rotates according to the phone's orientation. I have rewrite a part of the google sample to use a SensorEventListner instead of a SensorListener.
My Problem is when I try to use the findViewByID() method to display the map my application crashes on start. If I use MapView(Context, String) to create my view it works fine. Did I miss something to use main.xml layout file ? What's wrong with this ?
Here is my code :.......................
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Nov 2, 2010
I am reading one simple web page, but when I launched my application after 2-3 min it show me output as: The operation timed out. Here ia my code...........
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Jul 2, 2009
I have uploaded application to market and met weird problem which I never received before - when I click "Open" button when the application is installed I receive error dialog and the application is forced to close. I do not have this problem when start application from desktop launcher panel. I have already receive 2 stars for that though the exception even comes not from my cod - very unpleasant surprize from market app.
Application uses vibration and declares corresponding uses-permission "android.permission.VIBRATE" - this is what the exception tells me about, but I can't see such problem with other apps that use vibration on market.
Here the exception:
CODE:..............
Here is application manifest:
CODE:.........................
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Jun 9, 2010
Applications can have any number of launchable activities. I know how to get the list of these activities via PackageManager.
Is there a way to determine which activities can be launched via startActivity?
For example, the Documents To Go app has different activities that will start Word, Excel, Powerpoint, PDF, etc... I am able to launch all o these just fine.
However, it also contains some activities that I am not able to launch with startActivity... If I attempt to do this I get a SecurityException.
I want to be able to determine which activities I can safely launch and which I cannot so I only present the user with a list of activities that I can safely launch from within my application...
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Aug 13, 2010
I want to run some code when an app is launched, so my broadcast receiver has to be notified when user open any app.
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Nov 8, 2009
I am using the standard gmail app that comes with the motorola droid. However password authentication is only required the first time the application is launched. This means anyone who picks up your phone can see your email with one touch. Is there a way to require password authentication each time the application is launched?
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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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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 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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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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Mar 17, 2010
I'm new bie to android.. i want to access external database from my android application.. I've searched so much time in the Internet but could not get exact idea how to implement?
Please help me If any one is having idea on that and post if u have any code related to it.
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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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