Android :: Interacting With Remote Databases
Jun 9, 2009
Lets say Im creating an Android app for a company that already provides some sort of online service. I want my android app to extend this online service and I want the app to interact with my remote databases, would I embed a web browser in my application or directly connect to my remote database from within my code? If I am directly connected to a database from within code and not through a web browser, would that be a security risk since the connection info would be distributed in the code?
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Aug 25, 2010
I managed to configure iJetty on the emulator and I am setting up both a REST-based and SOAP-based services on it.
Regarding sqlite3. I am able to run and control it remotely using the shell. is there a way to generate databases on the device using the remote tool? I didn't find any evidence that that is possible and I think the only way may be through the API. I just wanted to double check in case I missed this.
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Jun 29, 2010
I'm trying to refactor/redesign an Android app. Currently, I've one UI activity (Activity 1) that creates a DataThread. This thread is responsible for network I/O and interacts (provides data) with the UI activity via a handler.
Now, I want to add another activity (a new UI screen with Video) - Activity 2. Activity 1 is still the main activity. Activity 2 will be invoked when the user clicks a button on Activity 1. Activity 2's data also comes from the DataThread.
My idea is to put the logic of my DataThread inside an Android Service (DataService). My question is - can more than on activity bind to my DataService at the same time? Is there a way to tell the service to provide data to a specific activity only?
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Mar 6, 2014
how to interact between fragments with a button click. I have been playing around with a sample app I created:
Here is what I have done:
1. created 2 fragment classes and 2 activities
2. I created a listener to for my first fragment to interact with my activity
3. on the first fragment layout i have a button that when clicked it goes to another activity that has a fragment.
4. when i click the button i get no response. I even looked at the logcat and nothing gets registered.
Here is my code...
Code:
public class Activity1 extends FragmentActivity implements Fragment1.OnFragmentInteractionListener {
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);[code]......
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Nov 21, 2010
I have a both onKeyDown and onMotionEvent overriden in my application. Both of these work, but the onKeyDown has strange behavior. I can always interact with the screen on the device, but after I have interacted with the screen, the buttons do not work. In order to make them work again, I have to push other buttons (ones that I don't use) in order for them to work again. And if I interact with the screen again, the buttons will not work again.
The application I am writing is a game, so the button calls are made to the surface and then passed to the thread running the game.
I am debugging on an HTC Aria, but the problem persists in my emulators as well.
The basic code I have is the same as is detailed here.
The code for the buttons are as follows:
CODE:.............................
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Jul 26, 2010
added a quick demo video of our upcoming Android Infrared (IR) Remote.Initially it will support a full IR dbase of 300,000+ IR codes, IR learner for any code not in the dbase, Pre-Built GUI so it is simple to setup. Will add rs232, relays, and other tcp options also after initial release.
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Aug 1, 2010
Looking for an App to remote to my desktop.I am trying to see if I can access magicjack on my desktop and make true voip calls.
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Dec 14, 2009
I've made a few apps now, which use an SQLite database, no problems. In my latest app, I want two tables, and I just released that every example I can find only creates one table. So, is this a limitation? Must I use only one table? Assuming I can use two, how do I go about changing my create script?
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Jun 3, 2010
I believe the Java API does not give full access to the SMS database and other databases. Is there any way to have root access to some of those databases such as SMS and phone settings so that I can fetch some information out of it?
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Apr 17, 2009
I have ListView whose CursorAdapter is bound to my local database table. Is there a good way to make it so that when new entries / new data is inserted into my table, my ListView automatically refreshes?
This is easily done on ContentProviders via ContentObservers. How do I do the same when iterating over local databases?
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Feb 25, 2010
I am trying to create an application that reads information from a database on a separate server(not the android phone). Does anyone have any information on how to create a database connector class?
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Dec 2, 2009
Is there any way to create triggers on different databases? my requirement is like:-
database: a1.db consist table: t1
database:a2.db consist table: t2
now i have to use trigger on t1 (whenever any delete and update operation) happens on t1 a value has to be inserted into t2. waiting for your feedback...
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Jan 16, 2010
Can anyone tell me, is it possible to use the ADB to pull and push a database from an app, without root privileges on the phone? For example, I know the location on my rooted magic and dream is:
/data/data/com.xxxx.xxxx/databases/xxxx
I know that you can use ADB without root, but when trying to use the shell - you can't view that location without root privaliges. But I have been told you can use push and pull if you know the file you want? Basically I want to pull a database from MY app on a non rooted phone modify it and push it back on. Only trouble I have is, the two phones I have are both root and I don't have access to a non root one to try it out.
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Jul 14, 2009
I want to know optimization techniques for databases that has nearly 80,000 records,
list of possibilities for optimizing
i am using for my mobile project in android platform
i use sqlite,i takes lot of time to retreive the data.
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Oct 30, 2009
I have some external sqlite files I'd like to include with my app. It looks like I can add them to the /assets folder, then read them from there? Is the /assets folder the appropriate location for them?
I've used SQLiteOpenHelper to open databases my app creates at runtime, which just uses a unique db name. Will the sqlite files in the assets folder also be accessible using SQLiteOpenHelper in the same manner?
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Nov 17, 2010
I'm trying this with my Nexus One.
I have the android SDK and have used the command
adb pull /data/data/com.myapp.android/databases C:pulls
but all I get is
pull: building file list...
0 files pulled. 0 files skipped.
Also, it seems no matter how much data I add to the tutorial NotePad app I installed, the data size for the app (as shown in Settings) never exceeds 8KB. How is this possible? Is there some other place where databases are stored? When I use the File Explorer view (that's part of ADT) in Eclipse, I see there's nothing in /data.
To add a twist, I have no trouble pulling any other files from the device. It's just databases I have trouble with.
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May 20, 2010
Is there any tool that will allow me to browse databases on my Android device? Something like Sql Management Studio - you know GUI tool that displays databases, tables, row in tables, etc.
I'm using Eclipse for development (if it is important for plug-in suggestions).
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Aug 9, 2010
Try to select (or update) from custom databases (for example mmssms.db) but on init I see " Unable to open the database file". Try send permissions in manifest <uses-permission android:name="android.permission.WRITE_SMS"/> <uses-permission android:name="android.permission.READ_SMS"/> but this doesn't help.
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May 3, 2010
Is there a way to programatically get the path to the databases/files an application uses instead of hardcoding "data/data/mypackage.com/database.db" ?
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Aug 25, 2009
Android includes a database engine (SQLite). In general, do the applications keep/manage their own databases (files) or is there a unifying database manager?
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Dec 26, 2009
I've read the answer to a question as to how to access the contents of the databases, however I cannot seem to get it to work on my machine. Here is the shell log:
C:android-sdk-windows ools>adb -s emulator-5554 shell
# sqlite3 /data/data/com.android.demo.notepad2/databases/notes
sqlite3 /data/data/com.android.demo.notepad2/databases/notes
SQLite version 3.5.9
Enter ".help" for instructions
sqlite> .tables
.tables
sqlite> ^C
C:android-sdk-windows ools>
SQLite simply echos my commands back to me, even although the Eclipse file browser tells me it exists. If I use the sqlite3 tool and use ".tables" the commands are accepted.
Is the SQLite syntax different through the emulator is am I missing something?
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Jun 24, 2010
I apologize if this is a stupid question, nevertheless I need to ask. I am new to Android development and have gone through every single tutorial and reference provided. I have been doing great, with the exception of one stupid problem; I cannot find where the databases for some apps are stored.
For example I would like to build my own app that includes thousands of pre-made records from an established SQLite Database. As a reference I tried to use the "Searchable Dictionary" app from the provided programs in the Android SDK, but cannot find it.
I read that all databases are stored in /data/data//databases on the device, but I cannot find this location. So how would I access the database in Eclipse or anywhere else for that matter to set up my pre-configured database?
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Jul 21, 2009
I'm trying to work with a web service (that I have no control over) that returns a SQLite database when you query it. Is there any way to do this?
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May 6, 2010
Is android like windows etc where uninstalling an app leaves registry settings/ databases, etc that can at some point bog me down? If so how do i go about removing this extraneous data?
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Feb 27, 2013
I read some stuff about SQLite databases to use them within my own application. so for this point, it should work.
BUT:
for most of my data stuff i need a database that i can directly put into my application. i read on stackoverflow that it's possible to put up to 1,2mb files in the assets folder and then copy them anywhere else to use them.
my question is:
is it possible to acces those databases in the assets folder directly to read from them? there's no need to insert data into this database, it's just a data storage to read from? is it possible? and if it is than how could i do this?
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Jul 23, 2013
I dont know why but somehow my adt didnt create any database folder.Here is the code i used :
package com.example.test;
import android.app.Activity;
import android.database.Cursor;[code]....
My problem is, i cant find databases folder from file explorer through DDMS.
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Aug 30, 2010
I'm thinking about creating an application that uses multiple databases. The user would be able to specify the name of the database to be created, and select which database to use from those existing in the /databases/ directory.
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Jun 22, 2009
I am developing an application which can share data with email, contact and calendar application. Now I met a problem when I clear this application data or uninstall this application in the "system setting". "Setting" can only clear my own application data now.This problem is that how to clear email, contact and calendar data at the same time of clearing my application data. This problem can concluded as that how to clear several databases which have dependency at the same time.
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May 22, 2010
I'm searched adobe and android developers sites, but can't find any details on this.Is it possible to use Flash as a part of my app? E.g. like a widget/GUI element? Or it's integrated in browser only and can't be simple accessible?I know, Adobe AIR apps are supported as standalone .apk. So it must be some API/SDK (from Google) to connect with Flash player.Is there any details, how to program it (more clear: launch swf from my app and interact with it)?
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Sep 8, 2010
I am looking for this app and cannot find it in the android store on my mobile, it is a free application from sony to control blurry players. Has anyone got a link for the download of it. I simply cannot find it! I have already tried to download it direct but the store says nothing found, which is weird for a free application, and i have a unlocked x10 mini pro. So if anyone has it ans had the apk file that would be great!
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