Best way to share Settings between 2 Apps on the Phone (Main App and Live Wallpaper)

[RiverRaid]

Hi!

My App has 4 parts: Main App, Widgets, Live Wallpaper & DreamService

As most of my Users don't need LP and DS, i would like to cut it off from the main app and publish as add-on via android market.

The main app uses statemanager and sqlite to save some settings. What would be the best way, that the LP and DS (which need a differant packagename, i guess..) can access the data from the main app?

Thanks a lot!!
Andi

 

[thedesolatesoul]

Usually this would be done with Content Providers. However, you would need a Java lib for that, since usually content providers are specific.
Secondly, you can use Intents.
Thirdly, store the data on a known location on the sdcard where all the apps can access it.
I have used Intents and PackageManager to create a plugin mechanism for Cloudpipes.

 

[Erel]

If you store the settings file in File.DirDefaultExternal of one app then you will also be able to access it from other apps. You just need to build the string correctly.

 

[RiverRaid]

Thanks for the answers!!

@Erel: Okay, DBUtils stores the DB on External, so I would just have to manually receive the Path, that sounds quite easy

@thedesolatesoul: Could you give me a little hint (piece of code), I have no idea how implement your way:sign0085:

 

[thedesolatesoul]

@thedesolatesoul: Could you give me a little hint (piece of code), I have no idea how implement your way:sign0085:

It is a bit complicated the way I did it, but here is what is involved:
Intent filters. In the manifest file you need to add intent filters for the intents you want to receive. You can create your own intent names.
Permissions. You can create permissions on those intent filters, to restrict only your apps to access them, although this is not necessary.
Intents. Here you actually build your intents. However, to get the data back, its better to implement onResult, so once the intent is delivered the other app can return data back to you via a ReturnIntent.

The code again is very specific for cases. I'll see if I can find an example I did a while ago.

 

[RiverRaid]

I'll see if I can find an example I did a while ago.

That would be great :sign0162:

 

[thedesolatesoul]

That would be great :sign0162:

Ok, I couldnt find any code (or time to write code) so I wrote a short tutorial.
[TUTORIAL] Inter-app Communication with Intents | Learn B4A | Learn Basic 4 Android
or
http://www.b4x.com/forum/basic4andr...ter-app-communication-intents.html#post177789

 

[RiverRaid]

Wow,thank your very, very much, thats georgious! :sign0087: There are a lot of possibilities with your solution!

 

[RiverRaid]

Btw: it seems that your site learnb4a is offline.
Best regards, Andi

 

[thedesolatesoul]

Btw: it seems that your site learnb4a is offline.
Best regards, Andi

Sorry, thats PaulD's site. I've reported it to him. Though its working for me now.

 

[RiverRaid]

Sorry, dindt know that! I tried again, always a timeout (tried via wlan and gsm)