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2014/10/16 ¤W¤È 08:20:57
android Programming Glossary: overheadMVVMCross changing ViewModel within a MvxBindableListView http://stackoverflow.com/questions/12682082/mvvmcross-changing-viewmodel-within-a-mvxbindablelistview without PropertyChanged and you don't want to incur the overhead of creating a large List WrappedArticle then one way around..
Unmarshalling XML files into Java objects in Android? http://stackoverflow.com/questions/1351218/unmarshalling-xml-files-into-java-objects-in-android graph SAX may be all you need and it has very little overhead. The trick is to build up the object graph yourself inside the..
Low-latency audio playback on Android http://stackoverflow.com/questions/14842803/low-latency-audio-playback-on-android threads which call OpenSL ES have no Dalvik related overhead such as garbage collection pauses. However there is no additional..
Android: Why shouldn't I use activities inside tabs? http://stackoverflow.com/questions/1568739/android-why-shouldnt-i-use-activities-inside-tabs would you want to use activities as tabs All you do is add overhead and complexity. Just use Views for the tabs. If you have something..
Android - Switch Tabs from within an Activity within a tab http://stackoverflow.com/questions/2541802/android-switch-tabs-from-within-an-activity-within-a-tab Its hard to pass information between tabs without creating overhead. Activity based tabs also use more memory CPU time as they have.. based tabs also use more memory CPU time as they have the overhead of the Activity around each of them. Please consider this and..
Set TextView text from html-formatted string resource in XML http://stackoverflow.com/questions/3235131/set-textview-text-from-html-formatted-string-resource-in-xml and I'd prefer to leave it that way to save me from the overhead of creating an Activity just to set some text. Am I overlooking..
Android — How to access data in an ASP.NET database via app? http://stackoverflow.com/questions/3311681/android-how-to-access-data-in-an-asp-net-database-via-app don't always have good internet connections and the xml overhead from soap is bigger than json. Quickstart Create a new asmx..
Android SQLite database: slow insertion http://stackoverflow.com/questions/3501516/android-sqlite-database-slow-insertion it normal for the database operations to have such a big overhead Can I do anything about that android database performance sqlite..
Recycling views in a listview, worth it? http://stackoverflow.com/questions/3817628/recycling-views-in-a-listview-worth-it it if only a piece of the data is changed. But is the overhead of creating a view really THAT significant Every tutorial on.. e.g setting text so you might be able to avoid the layout overhead. Remember that Android is designed to be run in a resource constrained..
Android: AsyncTask recommendations: private class or public class? http://stackoverflow.com/questions/4823891/android-asynctask-recommendations-private-class-or-public-class Thing or a Bad Thing. The access functions add a bit of overhead to each access which usually isn't a factor but there it is..
http://stackoverflow.com/questions/4842112/when-to-close-db-connection-on-android-every-time-after-your-operation-finished and find the DB connection doesn't have too much perf overhead. Does the performance overhead of DB connection varies on the.. doesn't have too much perf overhead. Does the performance overhead of DB connection varies on the size of the DB android database..
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 comes from eliminating the repeated interpreter parsing overhead on frequently executed code paths. That said we do have quite..
multilanguage app: best way? [closed] http://stackoverflow.com/questions/5069008/multilanguage-app-best-way output. Additionally you add a fair amount of complexity overhead and dependency e.g. having a network connection by handling..
Insertion of thousands of contact entries using applyBatch is slow http://stackoverflow.com/questions/5596354/insertion-of-thousands-of-contact-entries-using-applybatch-is-slow have a different URI and so on there's a huge amount of overhead. Oh a new operation I wonder what table it goes in... Here I'll..
Only use XHDPI drawables in Android app? http://stackoverflow.com/questions/5998865/only-use-xhdpi-drawables-in-android-app to go. The only downside I can think of is the resource overhead on small scale devices and possible artifacts because of the..
http://stackoverflow.com/questions/6245722/android-design-patterns to this. However to avoid performance and library overhead I still find the easiest approach is to write a simple reflection..
http://stackoverflow.com/questions/6828703/difference-about-sax-and-dom in the XML. In general DOM is easier to use but has an overhead of parsing the entire XML before you can start using it. share..
MVVMCross changing ViewModel within a MvxBindableListView http://stackoverflow.com/questions/12682082/mvvmcross-changing-viewmodel-within-a-mvxbindablelistview list is large and your data is fixed your articles are models without PropertyChanged and you don't want to incur the overhead of creating a large List WrappedArticle then one way around this might be to use a WrappingList T class. This is very similar..
Unmarshalling XML files into Java objects in Android? http://stackoverflow.com/questions/1351218/unmarshalling-xml-files-into-java-objects-in-android you found. However depending on the complexity of your object graph SAX may be all you need and it has very little overhead. The trick is to build up the object graph yourself inside the SAX event handlers. I've used this technique in a couple..
Low-latency audio playback on Android http://stackoverflow.com/questions/14842803/low-latency-audio-playback-on-android using it As OpenSL ES is a native C API non Dalvik application threads which call OpenSL ES have no Dalvik related overhead such as garbage collection pauses. However there is no additional performance benefit to the use of OpenSL ES other than..
Android: Why shouldn't I use activities inside tabs? http://stackoverflow.com/questions/1568739/android-why-shouldnt-i-use-activities-inside-tabs share improve this question I'd flip it around why would you want to use activities as tabs All you do is add overhead and complexity. Just use Views for the tabs. If you have something that just has to be both a tab and a separate standalone..
Android - Switch Tabs from within an Activity within a tab http://stackoverflow.com/questions/2541802/android-switch-tabs-from-within-an-activity-within-a-tab would be easy become complicated with activity based tabs. Its hard to pass information between tabs without creating overhead. Activity based tabs also use more memory CPU time as they have the overhead of the Activity around each of them. Please.. information between tabs without creating overhead. Activity based tabs also use more memory CPU time as they have the overhead of the Activity around each of them. Please consider this and the many more trade offs before diving into using an Activity..
Set TextView text from html-formatted string resource in XML http://stackoverflow.com/questions/3235131/set-textview-text-from-html-formatted-string-resource-in-xml layout is just a simple more or less static view in plain XML and I'd prefer to leave it that way to save me from the overhead of creating an Activity just to set some text. Am I overlooking something obvious Is it not possible at all Any help or..
Android — How to access data in an ASP.NET database via app? http://stackoverflow.com/questions/3311681/android-how-to-access-data-in-an-asp-net-database-via-app The advantages Write less code Faster since mobile devices don't always have good internet connections and the xml overhead from soap is bigger than json. Quickstart Create a new asmx Webservice in your .net webapp. Include a reference to System.Web...
Android SQLite database: slow insertion http://stackoverflow.com/questions/3501516/android-sqlite-database-slow-insertion ContentValues etc. the same file takes only 23 seconds. Is it normal for the database operations to have such a big overhead Can I do anything about that android database performance sqlite insert share improve this question You should do batch..
Recycling views in a listview, worth it? http://stackoverflow.com/questions/3817628/recycling-views-in-a-listview-worth-it it really necessary to reuse the view I can understand reusing it if only a piece of the data is changed. But is the overhead of creating a view really THAT significant Every tutorial on using listviews I've seen tells you to recycle the view even.. changes to the view in getView that won't affect the layout e.g setting text so you might be able to avoid the layout overhead. Remember that Android is designed to be run in a resource constrained environment. Finally its already done for you and..
Android: AsyncTask recommendations: private class or public class? http://stackoverflow.com/questions/4823891/android-asynctask-recommendations-private-class-or-public-class will argue whether this breaking of encapsulation is a Good Thing or a Bad Thing. The access functions add a bit of overhead to each access which usually isn't a factor but there it is . Another disadvantage is that it makes the source file more..
http://stackoverflow.com/questions/4842112/when-to-close-db-connection-on-android-every-time-after-your-operation-finished opinion on these two methods cons pros. 2 I did some testing and find the DB connection doesn't have too much perf overhead. Does the performance overhead of DB connection varies on the size of the DB android database sqlite connection share.. cons pros. 2 I did some testing and find the DB connection doesn't have too much perf overhead. Does the performance overhead of DB connection varies on the size of the DB android database sqlite connection share improve this question I don't..
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 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 said we do have quite a few local optimizations implemented with the Froyo JIT Register..
multilanguage app: best way? [closed] http://stackoverflow.com/questions/5069008/multilanguage-app-best-way even the best automatic translators can produce inaccurate output. Additionally you add a fair amount of complexity overhead and dependency e.g. having a network connection by handling translation this way. The problem of having a multilangauge..
Insertion of thousands of contact entries using applyBatch is slow http://stackoverflow.com/questions/5596354/insertion-of-thousands-of-contact-entries-using-applybatch-is-slow non batched . However since each Operation in the Batch can have a different URI and so on there's a huge amount of overhead. Oh a new operation I wonder what table it goes in... Here I'll insert a single row... Oh a new operation I wonder what..
Only use XHDPI drawables in Android app? http://stackoverflow.com/questions/5998865/only-use-xhdpi-drawables-in-android-app share improve this question I guess that's a good way to go. The only downside I can think of is the resource overhead on small scale devices and possible artifacts because of the downscaling. Actually at this year's Google IO Chris Pruett..
http://stackoverflow.com/questions/6245722/android-design-patterns promising. You've already mentioned Roboguice as another alternative to this. However to avoid performance and library overhead I still find the easiest approach is to write a simple reflection based class that registers and injects dependencies within..
http://stackoverflow.com/questions/6828703/difference-about-sax-and-dom
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