date:20110204

Re: [android-developers] Re: OpenJDK on Android

2011-02-04 Thread Kostya Vasilyev


Yes, it would be really convenient if Android supported Java EE spec.

It would also be really great if it supported all the other Java specs, 
like Java 3D, Swing, AWT, RMI...


And .Net applications. And native Windows x86 applications (including 64 
bit executables). And MacOS applications (including the old "System x" 
ones built for the PowerPC architecture, nah, make that Motorola 68K). 
And if it had support for X11 with hardware accelerated 3D.


Oh, and don't forget being able to run iPhone applications, natively, at 
twice the speed of the latest iPhone.


All working seamlessly in a unified workspace.

That would be the ultimate mobile device operating system.



Seriously, EJBs is probably not a good choice for a mobile application, 
Android or not.


You can look at delivering a web/intranet application, or use JSON / 
XML, or, if you're feeling adventurous, SOAP, to break up your 
application into tiers. Those are good choices for a mobile application, 
are available on Android, and will probably make your application a 
better one in the end.


-- Kostya

04.02.2011 10:05, koala пишет:

What about for tablet users?

would that be such a nightmare too?

So, If we have to develop an enterprise application are android
devices so unable to deliver such?

would it not be handy if android supported all Java SE functionality?
including rmi, swing, etc?

The fact that it supports it does not mean everyone has to use it.







On Jan 21, 1:41 am, Jake Basile  wrote:

It would be very convenient for developers, and a nightmare for phone users.



--
Kostya Vasilyev -- WiFi Manager + pretty widget -- http://kmansoft.wordpress.com

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[android-developers] Re: api used for connecting to the exchange sever on android

2011-02-04 Thread JAlexoid (Aleksandr Panzin)

The default email app is in the sources. Start there.
http://android.git.kernel.org/?p=platform/packages/apps/Email.git;a=summary

On 28 дек 2010, 09:40, kampy  wrote:
> hi
>
> i found an email app on the emulator by which we can synchronize our
> mail and exchange accounts to the mobile . can anyone help me that
> what is the api that used for this .
>
> thanking you ,

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[android-developers] Re: Rooting internals

2011-02-04 Thread JAlexoid (Aleksandr Panzin)

www.xda-developers.com
Android doesn't use exploits for rooting, it's not iPhone jalibreak.

On 29 янв, 00:52, Eknath Venkataramani  wrote:
> All,
>
> Could someone explain how rooting occurs in detail?
> right from the stage of detecting an exploit on a particular firmware on a
> particular device. All the way till the final user guides on the wikis.
>
> --
> Eknath Venkataramani

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[android-developers] Re: logic used by google for displaying map in Android

2011-02-04 Thread JAlexoid (Aleksandr Panzin)

It does render with the new version of maps.

On 3 фев, 21:11, ip332  wrote:
> Google does not render maps on the device but gets the bitmaps from
> the server.
>
> Honestly speaking, I don't see any reason to do your own map
> application unless you are going to make a turn-by-turn navigation.
> But navigation is a very complicated task you cannot handle alone,
> especially when you have no idea about what are you doing.
> You better to do a search on Google "Android offline maps" and you
> will find maps applications as well as navigation solutions and some
> open projects too.
>
> On Feb 2, 10:42 pm, sajjoo  wrote:
>
> > hi guys,
> >      i am developing a map application and i have binary map files in
> > which i have to read data and make the map tiles and display them on
> > canvas. and for displaying the map i am using ImageView Class which
> > extends the View class.
> > i have large bitmaps which takes alot of memory and my movement of map
> > is also too slow.
> > so if any one who knows what mechanism or logic has used by google
> > team when developing map application for android.
> > i,ll be really thankful if anybody can help me about this matter.
>
> > thanks alot.

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Re: [android-developers] In app billing...

2011-02-04 Thread String

On Friday, February 4, 2011 1:03:26 AM UTC, Mark Carter wrote:

I can't see a nice way to do it. The best way I can think of is to introduce 
> in-app billing to the Lite version and convert the Pro version into some 
> kind of "pro key" token app. The Lite version would check for existence of 
> this "pro key" app (and validate) if the in-app-upgrade had not been 
> purchased.
>
> Does that work?
>

I'm not sure it does, actually. Consider your existing Pro users, most of 
whom presumably don't have the Lite version installed. When you convert Pro 
into (in your words) "just a marker app", all these users will lose the 
functionality until they go download the app formerly know as Lite. They'll 
also end up with both items in their app list unless you go through some 
shenanigans with hiding the Pro token app; I say "shenanigans" because you 
can't afford to hide it for users who *don't* have Lite installed. That's a 
PITA, I know, I've done that kind of thing. And in any case, you're likely 
to annoy and confuse a good percentage of your existing paid users.

String

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Re: [android-developers] Re: Where to put a broadcast receiver for a widget

2011-02-04 Thread Kostya Vasilyev

An AppWidgetProvider is transient. It's only instantiated as needed, and
is destroyed soon after that.

That's why you can't use an API that requires a long-lasting reference
to the app widget provider (or receiver). This includes binding to a
service (but you can start one, though) or registering a receiver (but
you can get the most recent value of a sticky broadcast, as Mark showed).

-- Kostya

04.02.2011 9:13, Jeffrey пишет:

Okay, figured it out. I guess I can't have anything from the
AppWidgetProvider class activate a registerReceiver so I have to make
a service to do it. I don't keep it running, just launch it to update
everything then it dies.

Thanks for your help and patience.

On Feb 3, 10:56 pm, Jeffrey wrote:

Also the only thing that changes is the Context, is that where the
problem is? Because if it's not that then I have absolutely no clue as
to what it could be.

On Feb 3, 10:45 pm, Jeffrey wrote:

Am I doing something wrong? The first time my app runs this code it
runs it from the Configuration page and it works just fine, the second
time it comes up with a nullpointerexception, the code is this:
IntentFilter batteryLevelFilter = new
IntentFilter(Intent.ACTION_BATTERY_CHANGED);
rawlevel = registerReceiver(null,
batteryLevelFilter).getIntExtra("level", -1);
I know that registerReceiver doesn't like to run from the
AppWidgetProvider, so is it something to do with the class being
called by the onUpdate()? I don't know if I need to do anything
special but I can't seem to get it to run this line of code to save my
life.
Also as a side note I tried using this
int rawlevel = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
and it can't resolve BatteryManager.EXTRA_LEVEL even after importing
BatteryManager and setting the minSDK to 8.
On Feb 3, 8:30 pm, AndroidDevTime wrote:

what are the power battery performance implications of maintaining a
service? Will this drain the battery more to keep a service up and
running? Especially if you bind to the service from the widget to
call service functions?
On Feb 3, 3:39 pm, Mark Murphy wrote:

2011/2/3 Jeffrey:

Thank you, one last issue that I'm having, you said to get the battery
level to call registerReceiver with a null broadcast receiver, but
when I try the following code I get a nullpointerexception:
int rawlevel = registerReceiver(null,
batteryLevelFilter).getIntExtra("level", -1);
I'm not sure if thats right or not. When I was running a broadcast
receiver it grabbed the context and the code was as such:
int rawlevel = intent.getIntExtra("level", -1);
which worked but since I no longer use the broadcast receiver to grab
the intent I can't seem to figure out how to get it into a manageable
variable.

There are two possibilities:
1. Your batteryLevelFilter is incorrect
2. Your code is being called before an ACTION_BATTERY_CHANGED
broadcast has been sent
Since #2 is conceivable, depending on when you are setting up your
alarms, be sure to handle a null response to registerReceiver().
Also, I would use BatteryManager.EXTRA_LEVEL instead of "level".
That's a change I need to make in one of my own examples, one of these
days...
--
Mark Murphy (a Commons
Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy
Android Training...At Your Office:http://commonsware.com/training

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Kostya Vasilyev -- WiFi Manager + pretty widget -- http://kmansoft.wordpress.com

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