If Android app support is good or not, it depends on how we do it. For BB10, I
heard that they're using some emulator(maybe qemu) to run android app, and that
means running a vm over vm, so the performance would be much worse than real
android. I don't know what other platforms you are referring to, but I believe
they are using the similiar emulator concept.
We can have Android app support in a different way on touch. We change the
framework of android to native, hopely this would make performance even better
than the real android.
------------------ Original ------------------
From: "Josh Leverette"<[email protected]>;
Date: Thu, Jun 20, 2013 10:16 PM
To: "leon lee"<[email protected]>;
Cc: "Benjamin Tegge"<[email protected]>;
"ubuntu-phone"<[email protected]>;
Subject: Re: [Ubuntu-phone] how do you feel about touch
Ubuntu touch is not the first platform to compete with iOS and Android. If you
look around, you'll see that any platform which has Android app support has
terrible apps, and most of those platforms are dead. BB10 is the only one still
alive, and the quality of apps available for it is terrible. This was caused in
a big way by supporting Android apps. Companies did not need to develop an app
for BB10 because their Android app still worked just fine on there, when in
reality it is a terrible way to do anything on a BB10 device. Supporting Dalvik
on Ubuntu touch would be a mistake.
On Thu, Jun 20, 2013 at 9:12 AM, leon lee <[email protected]> wrote:
Thanks for your reply.
I know Java is great for its cross platform and other features, that's why it's
the most popular language world-wide, but the cost is performance, which you
can tell from the history of android.
Before 2.3, android's input message handling is in java, but that doesn't meet
the need of some apps such as some wonderful games. So from 2.3, android handle
the input message in native code, and let the app get the input message from
native part directly. This is a big jump for android, but core services like
windowmanagement and activitymanagemant are still in java code. I think this
might make it possible to change them into native so as to improve the
performance of android.
Ubuntu Touch's ARCH is ok with my idea. What we need to do is to make dalvik vm
available here, so we can make use of that large amount of android apps.
Can you share the links of videos about Android from the past Google IO events.
I'm quite interested in them.
------------------ Original ------------------
From: "Benjamin Tegge"<[email protected]>;
Date: Thu, Jun 20, 2013 10:50 AM
To: "leon lee"<[email protected]>;
Cc: "ubuntu-phone"<[email protected]>;
Subject: Re: [Ubuntu-phone] how do you feel about touch
Hello Leon,
Prejudices are not a good conversation starter if you seek for valuable advice.
Just because you heard that Android runs some flavour of Java and you
personally have never heard about anything good coming from Java doesn't mean
that performance of apps running on top of Android is or will always be poor.
You can also write poor performing code for other languages and platforms or
you could write blazing fast performing code that nobody wants to use.
Ubuntu Touch is still in early pre-release/development stage. Some of the core
components are not even ready for dogfooding the developers and early adopter
community. Even after the initial release in October Ubuntu Touch will evolve
like the other leading mobile platforms have during the past years and continue
to do so.
If you're interested in seeing Ubuntu Touch mature day by day get a Nexus phone
and start your journey. If you want to get into developing apps that are ready
for prime time and publish them so that a lot of people can use them
immediately then Android is a good choice. Some of the videos about Android
from the past Google IO events are worth watching, because they explain that
there is more needed for an app to become successful/usable than just plain
performance. Learning how users interact with software and devices is time well
spent. And you probably get to know what the competition does wrong and how to
improve the status quo.
Regards, Benjamin
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Sincerely,
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