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2014/10/16 ¤W¤È 08:18:29
android Programming Glossary: majorIs Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra they claim that their convention is column vector column major which is typical of OpenGL. Am I right or is there something..
How many Activities vs Fragments? http://stackoverflow.com/questions/12363790/how-many-activities-vs-fragments the tutorials oversimplified or have I missed something major in this approach We have tried both approaches successfully..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar
http://stackoverflow.com/questions/14069501/edittext-causing-memory-leak a problem that one of my fragments is causing a rather major memory leak. I narrowed the problem down to the following case..
Android Sdk tools Revision 22 issue? http://stackoverflow.com/questions/16583786/android-sdk-tools-revision-22-issue android sdk tools share improve this question I had major issues with the update as well. In my case my project uses a..
http://stackoverflow.com/questions/2080644/is-it-possible-in-principle-for-an-android-device-to-interface-with-an-iphone As a developer familiar with but not specializing in two major smartphone platforms should I expect an Android library to come..
What can you not do on the Dalvik VM (Android's VM) that you can in Sun VM? http://stackoverflow.com/questions/230193/what-can-you-not-do-on-the-dalvik-vm-androids-vm-that-you-can-in-sun-vm limitations are not very clear. Has anyone run into any major stumbling blocks Any major libraries having trouble Any languages.. clear. Has anyone run into any major stumbling blocks Any major libraries having trouble Any languages that compile to Java..
Alternatives to Java for Android development? [closed] http://stackoverflow.com/questions/2419556/alternatives-to-java-for-android-development has also had some luck but they caution against anything major. I've also checked out Scheme via Moby and Kawa both of which..
How can I update information in an Android Activity from a background Service http://stackoverflow.com/questions/2468874/how-can-i-update-information-in-an-android-activity-from-a-background-service this the best way to approach this problem You have three major options as I see it Polling. The Activity periodically asks..
How to use an OpenCV rotation and translation vector with OpenGL ES in Android? http://stackoverflow.com/questions/3712049/how-to-use-an-opencv-rotation-and-translation-vector-with-opengl-es-in-android to be transposed since OpenGL since OpenGL needs a column major order. Thanks for the comment I saw that page earlier already...
Apache http client or URLConnection http://stackoverflow.com/questions/4799151/apache-http-client-or-urlconnection have been performance optimised. If performance is a major concern your best bet is to write two clients one using each..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser Now that was a very quick example as you can see. The major advantage of using the android.sax SAX implementation is that..
What optimizations can I expect from Dalvik and the Android toolchain? http://stackoverflow.com/questions/4912695/what-optimizations-can-i-expect-from-dalvik-and-the-android-toolchain cache lookup won't be invoked often. To some degree the major source of speedup comes from eliminating the repeated interpreter..
Android - disable landscape mode? http://stackoverflow.com/questions/582185/android-disable-landscape-mode solution to the problems it's frequently applied to. The major caveats with forced portrait This does not absolve you of having..
Difference between AlarmManager and ScheduledExecutorService http://stackoverflow.com/questions/6558694/difference-between-alarmmanager-and-scheduledexecutorservice start application again via PendingIntent . And the last major difference that no one mentioned here is that AlarmManager knows..
Android and Symbian NFC mobile development questions and answers (FAQ) http://stackoverflow.com/questions/6992869/android-and-symbian-nfc-mobile-development-questions-and-answers-faq technologies BT WiFi is that it already comes with major use cases payment transportation tickets and keys building access..
http://stackoverflow.com/questions/8843882/android-ipod-wheel-seekbar the same as the standard seekbar in Android but with one major difference I want it to be circular and operate similarly to..
How to query a web service via POST request in Android? http://stackoverflow.com/questions/9237082/how-to-query-a-web-service-via-post-request-in-android soapObject.addProperty propertyInfo Still there are a major problem and some minor problems left. The major problem is that.. are a major problem and some minor problems left. The major problem is that JAXBElement is contained in a core library javax.xml.bind.JAXBElement..
Is Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra and it looks all mixed up to me. On the Android Matrix page they claim that their convention is column vector column major which is typical of OpenGL. Am I right or is there something I am missing Here are the relevant bits of it Start out by..
How many Activities vs Fragments? http://stackoverflow.com/questions/12363790/how-many-activities-vs-fragments instead of Activities but I have not worked with it yet . Are the tutorials oversimplified or have I missed something major in this approach We have tried both approaches successfully in the office but I am about to start a bigger project and want..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar
http://stackoverflow.com/questions/14069501/edittext-causing-memory-leak below that for tabs ViewPager hosts Fragments I have a problem that one of my fragments is causing a rather major memory leak. I narrowed the problem down to the following case The fragment which is causing the leak does nothing but inflating..
Android Sdk tools Revision 22 issue? http://stackoverflow.com/questions/16583786/android-sdk-tools-revision-22-issue to Android platform the soonest possible android eclipse android sdk tools share improve this question I had major issues with the update as well. In my case my project uses a library that also depends on another library. I found that..
http://stackoverflow.com/questions/2080644/is-it-possible-in-principle-for-an-android-device-to-interface-with-an-iphone near or mid term possibility say within 12 24 months. As a developer familiar with but not specializing in two major smartphone platforms should I expect an Android library to come out which can spoof itself onto an iPhone app's GameKit..
What can you not do on the Dalvik VM (Android's VM) that you can in Sun VM? http://stackoverflow.com/questions/230193/what-can-you-not-do-on-the-dalvik-vm-androids-vm-that-you-can-in-sun-vm all Java in Dalvik's VM that you can in Java's VM but the limitations are not very clear. Has anyone run into any major stumbling blocks Any major libraries having trouble Any languages that compile to Java bytecode Scala Jython etc... not.. that you can in Java's VM but the limitations are not very clear. Has anyone run into any major stumbling blocks Any major libraries having trouble Any languages that compile to Java bytecode Scala Jython etc... not work as expected java android..
Alternatives to Java for Android development? [closed] http://stackoverflow.com/questions/2419556/alternatives-to-java-for-android-development to run Scala seems to be one of the most successful. JRuby has also had some luck but they caution against anything major. I've also checked out Scheme via Moby and Kawa both of which seem to have some promise. What luck have any of you had Languages..
How can I update information in an Android Activity from a background Service http://stackoverflow.com/questions/2468874/how-can-i-update-information-in-an-android-activity-from-a-background-service can I set up my Activity to be listening to the Service Is this the best way to approach this problem You have three major options as I see it Polling. The Activity periodically asks the Service for the latest data. IMHO this option sucks but..
How to use an OpenCV rotation and translation vector with OpenGL ES in Android? http://stackoverflow.com/questions/3712049/how-to-use-an-opencv-rotation-and-translation-vector-with-opengl-es-in-android tv 2 1.0f As genpfault said in his comment everything needs to be transposed since OpenGL since OpenGL needs a column major order. Thanks for the comment I saw that page earlier already. Furthermore the y and z rotation angle as well as the y and..
Apache http client or URLConnection http://stackoverflow.com/questions/4799151/apache-http-client-or-urlconnection According to a comments below the core elements of HttpClient have been performance optimised. If performance is a major concern your best bet is to write two clients one using each method then benchmark them both. If you do this please let..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser catch IOException e handle the exception return null Now that was a very quick example as you can see. The major advantage of using the android.sax SAX implementation is that you can define the structure of the XML you have to parse..
What optimizations can I expect from Dalvik and the Android toolchain? http://stackoverflow.com/questions/4912695/what-optimizations-can-i-expect-from-dalvik-and-the-android-toolchain a technique called chaining so that the interpreter and code cache lookup won't be invoked often. To some degree the major source of speedup comes from eliminating the repeated interpreter parsing overhead on frequently executed code paths. That..
Android - disable landscape mode? http://stackoverflow.com/questions/582185/android-disable-landscape-mode I feel very guilty as forcing portrait is rarely the right solution to the problems it's frequently applied to. The major caveats with forced portrait This does not absolve you of having to think about activity lifecycle events or properly saving..
Difference between AlarmManager and ScheduledExecutorService http://stackoverflow.com/questions/6558694/difference-between-alarmmanager-and-scheduledexecutorservice scheduled something and was killed then AlarmManager may start application again via PendingIntent . And the last major difference that no one mentioned here is that AlarmManager knows about WakeLock s and power management. This means that..
Android and Symbian NFC mobile development questions and answers (FAQ) http://stackoverflow.com/questions/6992869/android-and-symbian-nfc-mobile-development-questions-and-answers-faq but is that true The difference between the NFC and other wireless technologies BT WiFi is that it already comes with major use cases payment transportation tickets and keys building access . But for all this use cases you need the secure element..
http://stackoverflow.com/questions/8843882/android-ipod-wheel-seekbar seekbar I'm trying to create a seekbar that is every bit the same as the standard seekbar in Android but with one major difference I want it to be circular and operate similarly to the iPod clickwheel. I've looked everywhere online but can't..
How to query a web service via POST request in Android? http://stackoverflow.com/questions/9237082/how-to-query-a-web-service-via-post-request-in-android GetFeature propertyInfo.setValue featureType soapObject.addProperty propertyInfo Still there are a major problem and some minor problems left. The major problem is that JAXBElement is contained in a core library javax.xml.bind.JAXBElement.. featureType soapObject.addProperty propertyInfo Still there are a major problem and some minor problems left. The major problem is that JAXBElement is contained in a core library javax.xml.bind.JAXBElement that Android refuses to consume. The..
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