Android : ContentProvider - Other Applications Exactly Manage To Access The Application Data
Jul 25, 2009
I have some questions about how the ContentProvider works behind the scenes.
1. The ContentProvider class is registered in the kernel when the application is installed and then what? Or how do the other applications exactly manage to access the application data?
2. When is actually onCreate called? The documentation is pretty vague...
3. What happens if two applications register the same provider class? (I have more applications that must communicate between eachother. The content provider must be registered, of course, along with the first application installed on the system. The problem here is that I don't know which one will be, so I want to deliver the ContentProvider with all the applications)
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Dec 11, 2012
Can I manage data(contacts list, address book and etc.) from Android phones by only USB connection to pc without any application in phone.
Or is possible to connect phones database from pc.
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May 24, 2010
Cant access "Manage Applications " in Applications / settings menu.
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Sep 20, 2012
i build application....and i want to back up my database when user click "clear data" in manage application... because data is lost...some data is very critical for process in my application...how can i solved this?
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Oct 21, 2009
Is it possible to create a custom ContentProvider to
* access android existing database (e.g. Contacts, SMS)?
* extend an Exciting ContentProvider which has access to android existing database (e.g. ContactsProvider to access Contacts DB)?
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Jun 13, 2010
Is it me or does this page take forever to load up? Anyone know how to speed up the process?
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Apr 5, 2009
How to retrieve data from two tables via the ContentProvider way? I.E. the database of Calendar application, include many tables including Events and Deleted, and some others. I want to retrive records in Events table, whose _sync_id field is also in Deleted table. Usually, we write a SQL sentence like: select (all fields in Events) from Events as e, Deleted as d where e._sync_id = d._sync_id or select * rom Events as e where e._sync_id in select _sync_id from Deleted etc. But, how can I accomplish it in the ContentProvider way? I saw ContentProvider.query take a Uri as the first parameter, but pity that I don't know how to build one that could fulfill my purpose.
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Jun 4, 2010
At the application level, my data is of the form.
* Event
* Contact List
* Contact
* Name
* Email
* Contact
* Name
* Email
The number of contacts is not predefined. Any thoughts on how to push this into a ContentProvider in one go? I basically dont want my application to worry about the hierarchy and bulk insert or something, I want to hand this responsibility over to the ContentProvider.
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Apr 2, 2010
in android application development, i frequently go through the word "CALLBACK" in many places. i want to know want it means to tell us technically. and how i can manage the callback of the applications.
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Apr 17, 2009
Now I have 2 activities that would simultaneously access one data/ settings. However, two kind of solution can be applied after I study from the Android Developer's Guild.One is ContentProvider, The discription in guild is as: "Content providers store and retrieve data and make it accessible to all applications. They're the only way to share data across applications; there's no common storage area that all Android packages can access."and another is SharedPreferences, "To use preferences that are shared across multiple application components (activities, receivers, services, providers), you can use the underlying Context.getSharedPreferences() method to retrieve a preferences object stored under a specific name."
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Jul 25, 2009
First of all, as a fan of Android and non-developer I would like to participate to this rise of this platform. The ONLY way I've found to promote this platform and get Android being a leader in term of Mobile phone (and I hope soon) other devices OS is to talk about the huge potential of Android platform in my blog ( newtekno.over-blog.com) and also to help developpers on their activities and applications management thru a new Android Market Directory: android.touch-market.com ...
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May 24, 2010
I have an mysql database with some sports results in it. I want to write an android application to display these data on mobile phones.
I´ve searched on the internet for this issue and i think it is not possible to have a direct connection between the mysql database and the android application. (Is this right?)
So my question is the following: How can i have access in the android application to the mysql database in order to display some of the data?
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Jul 28, 2010
When I go to settings>applications>manage applications i get the loading screen, then a message saying process com.android.settings has stopped unexpectedly and please try again. I am running stock sense (not rooted). Tried turning off the phone and removing the battery, but no luck as I keep getting the same message.
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Oct 20, 2010
Please direct me to a description of the techniques that the ContentProvider employs to access data. I am trying to understand how it works as well as what is tunable or even if its meant to be tunable. It the memory management tiered, cached, virtual, flat? Is it file based, shmem based, stream based? Can there be a combination thereof?
Any information, suggestions, or references are welcome. The android fundamentals page says: "The data can be stored in the file system, in an SQLite database, or in any other manner that makes sense;" but the android ContenProvider page barely skins the onion.
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Mar 2, 2013
Yesterday I tried to install a custom ROM on my device (HTC Evo 3D GSM Europe) for the first time and it took close to 12 hours to get it from ICS 4.0.4 to ICS 4.0.3 (when my intention was actually JB 4.2). Let's just say that forgot to backup his Shipped ROM, then installed JB, was incompatible with the boot loader, tried desperately to find a compatible shipped RUU that worked with the CID, spent countless hours searching in xda-developers and then finally settled for a custom ICS ROM until some time in the future.
Now on to my problem. Prior to my Factory Reset, I had moved all applications to the SD card. A simple look-over in the file system indicates all the data is still there, but reinstalling the applications and even moving them back to the SD card doesn't seem to give them access to the prior data (saved games, stored profiles, lists and anything else I might have done). It's as if the app has been installed for the first time.
Is there any way to "link" the data back to the apps (after yesterday's endeavor I ended up with a rooted phone, at least)?
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Apr 2, 2009
I have multiple applications which use the same ContentProvider code for internal WebView to access local files (application private). Because the ContentProvider has the same code base (package name, content uri), this will cause problem when deployed 2 or more of my application in the same device? How do I make the contentProvider only accessible by its application and prefer a solution without code changes.
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Jul 21, 2010
I'm using SenseHero and in the past I've restored nandroid backups a few times. I've also wiped the phone before restoring a backup.But after I've used Titanium to re-install apps, the manage applications shows apps that have been uninstalled. When I select them in manage applications, I get a FC.I've investigated a bit, and it seems manage applications thinks the apps are still installed for some reason. If I find the app in Market, then Install and uninstall it, it no longer shows in Manage Applications.Is there a way to force a refresh of Manage Applications? I don't want to have to install/uninstall all the rogue aps.The main reaons for wanting to sort this, is so that when I backup/restore from Titianium, I don't have this issue and I can create a Nandroid backup that is correctly up to date.
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Aug 25, 2010
I am using CM 6 and I have no Market Icon or app in the 'Manage Applications' window. I searched the entire phone and cannot find it.
Is there a way to fix this?
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Jun 8, 2010
Ok not sure if this is a bug in test froyo but everytime i go into 'settings' then 'manage applications' I view an apps details, but when pressing back button to go back to list it says loading and it never ends. I have to go back, back twice then re-enter the list. Has anyone heard of this or anyone know how i can somehow reset this ? I know i can use an uninstaller but i want to be able to move to sd etc etc without headache..
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May 30, 2014
i Change my Setting Themes. to Holo.Light. One problem is when you go into manage applications the text is white on a white background almost impossible to see. What XML file needs to be edited to change that and what part needs to be changed?
Settings ->Applications ->Manage Applications
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Jun 3, 2010
When i go to manage applications, to uninstall for example, the list takes AGES to load like 15 seconds its like the phone has crashed because it just hangs then it finally all appears. Sometimes it is instant, other times it takes ages is this normal?
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Sep 3, 2009
I want to use the same eclipse project to maintain only one source code (or two projects that refer to a generic project). My problem is that the names of the package have to be different on the market (eg: my.android.app.lite and my.android.app.pro). If the package names are differents, the generated java ressource files are differents (eg: my.android.app.lite.R.java and my.android.app.pro.R.java). So, the source files must point to differents R files according to the version (pro or lite) and I have to change all the import...
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Nov 23, 2010
I have an issue with a virtual keyboard.
This Soft Keyboard Covers Data Fields - and can't See what's going on.
I want to use this soft keypad and at the same time it should not become a problem to use data fields.
So how can I manage the data fields in such cases?
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Jan 17, 2010
Manage applications shows my app as "com.mydomain.myapp" instead of "My App". What do I need to change?
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Nov 16, 2010
I'm a college student, and there's daily specials at bars, salsa dance nights, special meetings, lectures, etc. And all these things happen around me. I don't want to just put them into my calendar and have them flooding it, but I would like some app to hold such things. Anyone know what I can use that isn't my default so I can retain my personal schedule and, if I want to do extra, can see this app's contents?
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Aug 12, 2010
Is there an app (or even a setting on the Desire itself) that can keep a track of the outgoing calls duration and total on my phone? I've recently dropped from 600 to 300 minutes and want to make sure I don't go over my allocation in the same way the "3G" app tracks my Internet usage!
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Nov 8, 2009
In the process of creating an AppWidget which displays data from a remote host, I am looking for documentation about how to manage updates. Are there articles somewhere about how and when querrying remote data is the most appropriate? I am wondering if we have to explicitly code the remote queries in a separate thread, or even do it in a separate service, to avoid freezes of the home screen (this happens a lot on my htc magic).
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Jul 1, 2009
Anyone knows how to prevent a particular apps been removed or uninstalled from "Manage Applications"?
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Sep 23, 2009
Is there a way to manage the audio levels through an app? Or is it more dependent on the phone's built in capabilities? Right now at work I listen to a skype audio call from my house (for security) at a very low volume and then at a higher level I listen to music or podcasts, both sources going at the same time. When my dog goes nuts, the door is knocked on, or (in theory) if someone busted down my door, I notice the change in volume and sound, turn off my local media, and focus on what I'm hearing until the drama passes.
I ask because I would like to continue this setup when not at work, like say while running, where I again have earphones in and am normally listening to audio content. I would like to be able to have two pieces of audio: music combined with a skype stream or normal phone call, going at the same time like at work. So is there a way to have two sources going at the same time, with the volume of each independently adjustable? Is this an app thing or a phone thing? Phone will be Sprint Hero.
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Feb 27, 2010
What is the best approach to managing a small SQLite database private to the application? Open (getWritableDatabase)in OnStart and close in OnStop in each Activity?Open in OnCreate and keep open til the user quits the app (where would you put close?) Open, do work and close as soon as possible each time it is needed?
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