Thank for that. On 12/7/11, [email protected] <[email protected]> wrote: > ============================================================================= > Today's Topic Summary > ============================================================================= > > Group: [email protected] > Url: http://groups.google.com/group/android-developers/topics > > - Can Android do "waitForResponse"? [2 Updates] > http://groups.google.com/group/android-developers/t/fc6af48460ad584c > - Reverse Engineering .APK files [13 Updates] > http://groups.google.com/group/android-developers/t/9ab30f65ca9639a1 > - [android-porting] android.permission.ACCESS_SURFACE_FLINGER error [1 > Update] > http://groups.google.com/group/android-developers/t/c61afa8403fba798 > - surfaceview images [1 Update] > http://groups.google.com/group/android-developers/t/8b7c1df9690db514 > - Texture compression filtering in the market [1 Update] > http://groups.google.com/group/android-developers/t/8917e279a24492f7 > - Where does Locale information reside on Android? [2 Updates] > http://groups.google.com/group/android-developers/t/f5366beb145f2150 > - Can't update my app in the Android Market [1 Update] > http://groups.google.com/group/android-developers/t/236675de86858967 > - After updating sdk from r06 to r15 [1 Update] > http://groups.google.com/group/android-developers/t/d34c292347783cf6 > - Internet read app [1 Update] > http://groups.google.com/group/android-developers/t/5d56b26e01614a84 > - ListView with checkbox using cursor adapter in Android [1 Update] > http://groups.google.com/group/android-developers/t/6679f9cb8595cbd4 > - Can the LVL check for Paid app be done from my free app ? [1 Update] > http://groups.google.com/group/android-developers/t/13a156fbd5ab7fd6 > > > ============================================================================= > Topic: Can Android do "waitForResponse"? > Url: http://groups.google.com/group/android-developers/t/fc6af48460ad584c > ============================================================================= > > ---------- 1 of 2 ---------- > From: Vincent <[email protected]> > Date: Dec 06 09:36PM -0800 > Url: http://groups.google.com/group/android-developers/msg/947f95fad6f751d6 > > Hi, > > I am developing an application to communicate with a device via bluetooth. > Same as the BluetoothChat sample, my application makes a service object, > and call service.connect() to get a connectedThread for data transmission. > > and I have a command method, which takes an integer as its parameter. > > the problem is, sometimes, that device returns invalid data. > So when I want to execute the command with ten different parameter, I need > to do something like : > > for (i = 0; i < 10; i++) { > myService.write(command(i)); > packet = *waitForResponse*(myService); > > if (packet is valid) { > do something; > } else { > i--; > } > } > > > My program is using handler to deal messages, e.g. when the connectedThread > read some data, it will > > mHandler.obtainMessage(ControlActivity.MESSAGE_READ, -1, -1, data) > .sendToTarget(); > > And there is a handler in my Activity class to deal with these messages. > > How can I do something like *"waitForResponse"* on Android? > or Is there any other way to meet my requirement? > > > > API Level: 13 > > > ---------- 2 of 2 ---------- > From: Kristopher Micinski <[email protected]> > Date: Dec 07 12:54AM -0500 > Url: http://groups.google.com/group/android-developers/msg/eefbb250f7028e8b > > In general, you're probably thinking about this the wrong way. If > something is implemented asynchronously, you should also implement it this > way... So for example, you should write your code such that in the > handling takes care of it. > > Conceptually you can think of a transformation like this as slicing the > code off at a continuation, and then taking your original function and > decomposing it into several pieces. > > In this case you can move bits and pieces of your loop around and write > your handler something like this: > > handleMessage: > if (i >= 10) then > .. > if packet is valid, then > ... > else > --i; > sendMessage(); > > Trying to shoehorn the synchronous model into the asynchronous model is > probably a bad idea, however.. > > One more thing, you probably shouldn't be handling these messages within > the activity class, right? Unless you are doing UI stuff where it makes > sense, you should have this done in another thread... > > kris > > > > > > ============================================================================= > Topic: Reverse Engineering .APK files > Url: http://groups.google.com/group/android-developers/t/9ab30f65ca9639a1 > ============================================================================= > > ---------- 1 of 13 ---------- > From: Anil Jagtap <[email protected]> > Date: Dec 06 05:37PM -0800 > Url: http://groups.google.com/group/android-developers/msg/bc2e5781feb2ccf0 > > Even if the application is reverse engineered and say an cracker gets > 100% of your code. Still, what is use? it is your app that is first in > android market in case of android market apps. If someone makes a > clone, it is still a 'clone' and you are the original. We are using > Java and hence risk of code stealing would always be there for us. May > developing in C may help, but again it has its own complications. > > Cheers > -- > anil > Android Application Developer > > > > ---------- 2 of 13 ---------- > From: Kristopher Micinski <[email protected]> > Date: Dec 06 08:41PM -0500 > Url: http://groups.google.com/group/android-developers/msg/2bcd153d1a8df209 > >> Java and hence risk of code stealing would always be there for us. May >> developing in C may help, but again it has its own complications. > >> Cheers > > > That's not what he's worried about, > > he's worried that somebody will reverse engineer some authentication policy > or something and reveal something other than just the source to the app.. > > kris > > > ---------- 3 of 13 ---------- > From: Kristopher Micinski <[email protected]> > Date: Dec 06 08:42PM -0500 > Url: http://groups.google.com/group/android-developers/msg/a1e09bfb501b57f0 > > On Tue, Dec 6, 2011 at 8:41 PM, Kristopher Micinski >> policy or something and reveal something other than just the source to the >> app.. > >> kris > > Sorry, I thought he had specified this, > though, that is what you're worried about, no? > > kri > > > ---------- 4 of 13 ---------- > From: RLScott <[email protected]> > Date: Dec 06 08:29PM -0800 > Url: http://groups.google.com/group/android-developers/msg/59511bb5c1038b5f > > >> > kris > >> Sorry, I thought he had specified this, >> though, that is what you're worried about, no? > > That's right. It is an expensive app for a narrow market, which is > why I am not distributing through the Google Marketplace. The > licensing scheme involves a free-trial mode when the app is first > installed. Then to unlock the paid mode, the user e-mails me the wi- > fi MAC address. I then calculate a license number that hashes into > that MAC address and send them that license number. They enter that > license number and my code checks that the license number hashes into > the MAC address. The hash is really a trap-door function that is > difficult to invert without the private key that only I have. Of > course someone could find where I am checking the hash and patch my > code to skip around it. But I am hoping that no one will find a way > to defeat my code without patching it (i.e. inverting the trap-door > function). The code that inverts the trap-door function does not > exist in the app. It only exists on my computer. > > > ---------- 5 of 13 ---------- > From: Kristopher Micinski <[email protected]> > Date: Dec 07 12:15AM -0500 > Url: http://groups.google.com/group/android-developers/msg/a04b06bee707d9ca > > How much does your app cost? > > There seem to be a lot of questions like this lately, but in reality I > think that putting in hours of effort to defeat the tiny fraction of people > who would even attempt this is mostly a waste of time, let's say you spend > 100 hours coming up with a defensive strategy, and your app costs $100, if > you value your time at $10/hour (conservatively) then this would roughly > equate to you needing to stop at least ten people, I highly doubt that a > very narrowly targeted app will have even that many people trying that hard > to break it... > > kris > > > > ---------- 6 of 13 ---------- > From: Christopher Van Kirk <[email protected]> > Date: Dec 07 01:19PM +0800 > Url: http://groups.google.com/group/android-developers/msg/2b8174cf40779539 > > Unfortunately, the truth is that you're not trying to stop 10 people, > you're trying to stop 1 person from making a version that thousands can > install without paying. It only takes one to let the cat out of the bag. > > On 12/7/2011 1:15 PM, Kristopher Micinski wrote: > > > ---------- 7 of 13 ---------- > From: Kristopher Micinski <[email protected]> > Date: Dec 07 12:23AM -0500 > Url: http://groups.google.com/group/android-developers/msg/be4cfa50965c7082 > > On Wed, Dec 7, 2011 at 12:19 AM, Christopher Van Kirk < > >> Unfortunately, the truth is that you're not trying to stop 10 people, >> you're trying to stop 1 person from making a version that thousands can >> install without paying. It only takes one to let the cat out of the bag. > > I suppose that is true, and I should have mentioned that, but even at this > point I feel like you'll still have the majority of people going to your > app, is this accurate? Perhaps not, I don't sell my apps, so I'm > unqualified and probably shouldn't be speaking on this point ;-).. Though > you can get a copycat version of your app taken down fairly quickly, no? > Though this still doesn't stop the pirate version of the apk from floating > around on the web. > > kris > > > ---------- 8 of 13 ---------- > From: RLScott <[email protected]> > Date: Dec 06 09:28PM -0800 > Url: http://groups.google.com/group/android-developers/msg/8cb58d340eee54fe > > On Dec 7, 12:15 am, Kristopher Micinski <[email protected]> > wrote: >> How much does your app cost? > > $300. See TuneLab Piano Tuner for iPhone. > > > ---------- 9 of 13 ---------- > From: Christopher Van Kirk <[email protected]> > Date: Dec 07 01:32PM +0800 > Url: http://groups.google.com/group/android-developers/msg/dd119d88121862a2 > > Well, in my opinion it's an impossible task. If the software can be > separated from the hardware and examined, you're sunk. The best you can > do is to make the cost of breaking in far exceed the cost of the app > itself. That shouldn't be hard to do for the average app, since they're > so cheap. > > On 12/7/2011 1:23 PM, Kristopher Micinski wrote: > > > ---------- 10 of 13 ---------- > From: Christopher Van Kirk <[email protected]> > Date: Dec 07 01:38PM +0800 > Url: http://groups.google.com/group/android-developers/msg/2e6941daa0af37a1 > > Why is sound related software so expensive? > > On 12/7/2011 1:28 PM, RLScott wrote: > > > ---------- 11 of 13 ---------- > From: RLScott <[email protected]> > Date: Dec 06 09:43PM -0800 > Url: http://groups.google.com/group/android-developers/msg/34448a05c3be3f00 > > On Dec 7, 12:38 am, Christopher Van Kirk >> Why is sound related software so expensive? > >> On 12/7/2011 1:28 PM, RLScott wrote: > > If you think that's expensive, check out my nearest competitor on > iPhone: Verituner. He charges double what I charge. > > > ---------- 12 of 13 ---------- > From: Kristopher Micinski <[email protected]> > Date: Dec 07 12:46AM -0500 > Url: http://groups.google.com/group/android-developers/msg/a194d39269e7b97d > > >> > On 12/7/2011 1:28 PM, RLScott wrote: > >> If you think that's expensive, check out my nearest competitor on >> iPhone: Verituner. He charges double what I charge. > > Is the algorithm extremely complicated? Is there an amazing amount of > engineering involved in doing this? > > At $300 I feel like I would be motivated to pump out a a nearly as good > free version just so people wouldn't have to pay it, so I'm assuming there > is some deep engineering knowledge that makes this extremely involved. > > kris > > > ---------- 13 of 13 ---------- > From: Christopher Van Kirk <[email protected]> > Date: Dec 07 01:51PM +0800 > Url: http://groups.google.com/group/android-developers/msg/943246be843dcbe9 > > That's not really an answer, as such. > > Anyway, since you're going such a long way down the security route, why > don't you, a) require a handshake with home base...code that is less > likely to be manhandled by outsiders, and/or b) hash your binary do > prove that it hasn't been tampered with. > > Paranoia seems rampant in the sound industry too. I guess it must have > something to do with the RIAA. > > On 12/7/2011 1:43 PM, RLScott wrote: > > > > ============================================================================= > Topic: [android-porting] android.permission.ACCESS_SURFACE_FLINGER error > Url: http://groups.google.com/group/android-developers/t/c61afa8403fba798 > ============================================================================= > > ---------- 1 of 1 ---------- > From: "[email protected]" <[email protected]> > Date: Dec 07 01:38PM +0800 > Url: http://groups.google.com/group/android-developers/msg/7582a4672af1ebc7 > > Thanks for your reply. Default my /dev/graphics/* is belong to graphics > group. > > I change the android.permission.ACCESS_SURFACE_FLINGER permission > protectionLevel from signature to normal > in frameworks/base/core/res/AndroidManifest.xml file, it fixed the > permission problem, although it's a bad idea. > > Finally We add same interface in MediaPlay, solve our problems. > > # cd /dev/graphics > # ls -l > crw-rw---- root graphics 29, 4 2010-01-01 12:00 fb4 > crw-rw---- root graphics 29, 3 2010-01-01 12:00 fb3 > crw-rw---- root graphics 29, 2 2010-01-01 12:00 fb2 > crw-rw---- root graphics 29, 1 2010-01-01 12:00 fb1 > crw-rw---- root graphics 29, 0 2010-01-01 12:00 fb0 > > > > -- > Jiang Bian > http://www.wifihack.net/ > http://golang-china.org/ > > > > ============================================================================= > Topic: surfaceview images > Url: http://groups.google.com/group/android-developers/t/8b7c1df9690db514 > ============================================================================= > > ---------- 1 of 1 ---------- > From: JCR <[email protected]> > Date: Dec 06 07:44PM -0800 > Url: http://groups.google.com/group/android-developers/msg/a5e0876bb11be0b7 > > Hello, > I created a layout where my surface view has been resized from the > "original size", I did the following: > > ViewGroup.LayoutParams params = > mSurfaceView.getLayoutParams(); > int > mPixels=getResources().getDimensionPixelSize(R.dimen.profile_pic_dimension); > // > 200 > params.width=mPixels; > params.height=mPixels; > mSurfaceView.setLayoutParams(params); > > this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); > and I obta > in a view like this: > http://goo.gl/8ZXvR > > but then.. whenever I take the picture.. it doesnt saves as how I can > see it on the view... but instead it saves it normal size like if the > view was taking the whole screen (like if the surfaceview was never > resized). > > I tried using this: > > Camera.ShutterCallback mShutterCallback = new Camera.ShutterCallback() > { > @Override > public void onShutter() { > Camera.Parameters p = mCamera.getParameters(); > p.setPictureSize(mSurfaceView.getWidth(), > mSurfaceView.getHeight()); > mCamera.setParameters(p); > } > }; > > but still didnt get the image size i wanted to. > Any help to achieve this would be greatly appreciated. > > > > ============================================================================= > Topic: Texture compression filtering in the market > Url: http://groups.google.com/group/android-developers/t/8917e279a24492f7 > ============================================================================= > > ---------- 1 of 1 ---------- > From: Christopher Van Kirk <[email protected]> > Date: Dec 07 11:17AM +0800 > Url: http://groups.google.com/group/android-developers/msg/64e797615bc1830 > > The docs say that the Android Market filters apks using the > "supports-gl-texture" tag in the manifest. It goes on to say that > absence of that tag is taken by the market to mean that ALL compression > options are supported. > > How can one go about having two APKs, one supporting, say, ETC1 format, > and the other supporting no compression formats (e.g. using decompressed > PNGs)? > > Is this not possible? Wouldn't the APK with no tag be taken before the > compression filtered APK since its compression behavior is more permissive? > > Cheers, > > Chris... > > > > ============================================================================= > Topic: Where does Locale information reside on Android? > Url: http://groups.google.com/group/android-developers/t/f5366beb145f2150 > ============================================================================= > > ---------- 1 of 2 ---------- > From: Nikolay Elenkov <[email protected]> > Date: Dec 07 10:38AM +0900 > Url: http://groups.google.com/group/android-developers/msg/814e67458cbae4d0 > >> I know in plain Java, it's in resource files, but where is it on >> Android? > > Don't have access to the source code right now, but my guess > would be in one of the framework's string.xml files. > > > ---------- 2 of 2 ---------- > From: Zsolt Vasvari <[email protected]> > Date: Dec 06 06:25PM -0800 > Url: http://groups.google.com/group/android-developers/msg/4ac591e891da3fd7 > > Not that I can see. I see translated text in them, but not formatting > info. > > > > > ============================================================================= > Topic: Can't update my app in the Android Market > Url: http://groups.google.com/group/android-developers/t/236675de86858967 > ============================================================================= > > ---------- 1 of 1 ---------- > From: Susan Crayne <[email protected]> > Date: Dec 06 09:20PM -0500 > Url: http://groups.google.com/group/android-developers/msg/ab2eec26b52d9942 > > I realized yesterday that I had signed in with the wrong account. > "uploaded an iPhone app" -- very funny. > > Susan > > > > > ============================================================================= > Topic: After updating sdk from r06 to r15 > Url: http://groups.google.com/group/android-developers/t/d34c292347783cf6 > ============================================================================= > > ---------- 1 of 1 ---------- > From: Anil Jagtap <[email protected]> > Date: Dec 06 05:50PM -0800 > Url: http://groups.google.com/group/android-developers/msg/e82b25d92effaa2a > > Simple Google search given me this > > http://androidbridge.blogspot.com/2011/09/error-retrieving-parent-for-item-no.html > > -- > anil > Android Application Developer > > > > > ============================================================================= > Topic: Internet read app > Url: http://groups.google.com/group/android-developers/t/5d56b26e01614a84 > ============================================================================= > > ---------- 1 of 1 ---------- > From: TreKing <[email protected]> > Date: Dec 06 11:42AM -0600 > Url: http://groups.google.com/group/android-developers/msg/e7198f0d58c67f18 > > >> anyone could help me ??? For some it isnt work ?? > > > http://www.catb.org/~esr/faqs/smart-questions.html > > ------------------------------------------------------------------------------------------------- > TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago > transit tracking app for Android-powered devices > > > > ============================================================================= > Topic: ListView with checkbox using cursor adapter in Android > Url: http://groups.google.com/group/android-developers/t/6679f9cb8595cbd4 > ============================================================================= > > ---------- 1 of 1 ---------- > From: TreKing <[email protected]> > Date: Dec 06 11:41AM -0600 > Url: http://groups.google.com/group/android-developers/msg/56475bcbe6443b59 > > >> But I need my ListView to have a checkbox for each item so the user is >> able to select multiple items, then the selected items should be able >> to identified so that I can do some stuff with those items. > > So have your adapter's getView() return a view that has a checkbox and > handle its clicking accordingly. > > ------------------------------------------------------------------------------------------------- > TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago > transit tracking app for Android-powered devices > > > > ============================================================================= > Topic: Can the LVL check for Paid app be done from my free app ? > Url: http://groups.google.com/group/android-developers/t/13a156fbd5ab7fd6 > ============================================================================= > > ---------- 1 of 1 ---------- > From: Kostya Vasilyev <[email protected]> > Date: Dec 06 09:32PM +0400 > Url: http://groups.google.com/group/android-developers/msg/e4539b352714f63c > > 2) is definitely true. > > I really wish in-app purchases of managed items were shown in the > Market app, just like existing purchases of paid apps are, even if > those app are not installed. > > 6 декабря 2011 г. 21:21 пользователь Kevin TeslaCoil Software > > > > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en
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