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2014/10/16 ¤W¤È 08:25:32
android Programming Glossary: systemsPhoneGap 1.4 wrapping Sencha Touch 2.X - What about performance? http://stackoverflow.com/questions/10085637/phonegap-1-4-wrapping-sencha-touch-2-x-what-about-performance app is working great so far all its features work on both systems but... On the Android tablet Samsung GalaxyTab its really slow... issues due to lack of visual pre process in Android systems CSS3 heavy visual process Avoid Gradients Avoid Shadows Avoid..
Why start using -libraryjars when I never needed it before? http://stackoverflow.com/questions/11006305/why-start-using-libraryjars-when-i-never-needed-it-before my actual development. Bugs are fact of life in complex systems. But the fact that neither Proguard nor the build tools that..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen emulators with real device values Conventionally desktop systems display at 72ppi Mac or 96ppi Windows Linux . Compared with..
Observing changes in android content observer for Audio.Media.EXTERNAL_CONTENT_URI http://stackoverflow.com/questions/15899110/observing-changes-in-android-content-observer-for-audio-media-external-content-u Or you can reuse some existing linux changes notifications systems. As example look at this http stefan.buettcher.org cs fschange..
Countdowntimer in minutes and seconds http://stackoverflow.com/questions/17620641/countdowntimer-in-minutes-and-seconds in these units. For Java versions below 1.5 or for systems that do not fully support the TimeUnit class the following equations..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations to ... 10.9 use the Service or Content with any products systems or applications for or in connection with a real time navigation..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android this question Note that memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand.. now the fun begins. A lot of memory in Android and Linux systems in general is actually shared across multiple processes. So.. used for filesystem caches and other such things. Typical systems will need to have 20MB or so for this to avoid getting into..
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 runtime characterstics in tests than as parts of larger systems microbenchmarks for Android phones totally make sense. share..
How to implement my very own URI scheme on Android http://stackoverflow.com/questions/2448213/how-to-implement-my-very-own-uri-scheme-on-android analogous to what some programs already do on e.g. Windows systems such as Skype skype or any torrent downloader program torrent..
Android Debugging InetAddress.isReachable http://stackoverflow.com/questions/2935325/android-debugging-inetaddress-isreachable port 7 that's usually have no running services on modern systems. you'd better check connectivity with establishing TCP connection..
http://stackoverflow.com/questions/5120185/android-sleep-standby-mode My question is what exactly does sleep mode do on android systems What does it stop what doesn't it stop etc. By sleep mode I.. My question is what exactly does sleep mode do on android systems Primarily it shuts down the CPU. Along the way non essential..
http://stackoverflow.com/questions/5300391/unicode-support-for-android is handled by system library called Uniscribe on Apple systems by ATSUI and on Linux systems by Pango. Android is based on.. called Uniscribe on Apple systems by ATSUI and on Linux systems by Pango. Android is based on Linux but unfortunately Google..
static variable null when returning to the app http://stackoverflow.com/questions/9541688/static-variable-null-when-returning-to-the-app This is standard behavior in most mobile operating systems definitely including Android. Your app is in fact very often..
How can i run C binary (executable file) in Android from Android Shell http://stackoverflow.com/questions/9868309/how-can-i-run-c-binary-executable-file-in-android-from-android-shell r7c as well on Linux change paths appropriately for other systems . Edit Last tested with NDK r8e on Linux and Nexus 4 with adb..
PhoneGap 1.4 wrapping Sencha Touch 2.X - What about performance? http://stackoverflow.com/questions/10085637/phonegap-1-4-wrapping-sencha-touch-2-x-what-about-performance multiplatform I mean iOS 5.X and Android 3.0 for now . This app is working great so far all its features work on both systems but... On the Android tablet Samsung GalaxyTab its really slow. What's happening Can I do something about it or its just.. Mac OSX Linux. Sharing 80 90 of the code Mitigating performance issues due to lack of visual pre process in Android systems CSS3 heavy visual process Avoid Gradients Avoid Shadows Avoid Transformations and animations Good MVC practices Don't use..
Why start using -libraryjars when I never needed it before? http://stackoverflow.com/questions/11006305/why-start-using-libraryjars-when-i-never-needed-it-before describes the workaround that allows me now to proceed with my actual development. Bugs are fact of life in complex systems. But the fact that neither Proguard nor the build tools that feed input to Proguard could provide any helpful error message..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen for debugging Use the supports screens element Configure your emulators with real device values Conventionally desktop systems display at 72ppi Mac or 96ppi Windows Linux . Compared with mobile desktop displays are always low density. Always configure..
Observing changes in android content observer for Audio.Media.EXTERNAL_CONTENT_URI http://stackoverflow.com/questions/15899110/observing-changes-in-android-content-observer-for-audio-media-external-content-u http www.gossamer threads.com lists linux kernel 355190 Or you can reuse some existing linux changes notifications systems. As example look at this http stefan.buettcher.org cs fschange . However it could be that FileObserver is based exactly..
Countdowntimer in minutes and seconds http://stackoverflow.com/questions/17620641/countdowntimer-in-minutes-and-seconds to convert across units and to perform timing and delay operations in these units. For Java versions below 1.5 or for systems that do not fully support the TimeUnit class the following equations can be used int seconds int milliseconds 1000 60 int..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations Documentation you must not nor may you permit anyone else to ... 10.9 use the Service or Content with any products systems or applications for or in connection with a real time navigation or route guidance including but not limited to turn by..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android too. java android memory memory management share improve this question Note that memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand area. In fact the chances of you actually correctly interpreting.. is between Pss PrivateDirty and SharedDirty ... well now the fun begins. A lot of memory in Android and Linux systems in general is actually shared across multiple processes. So how much memory a processes uses is really not clear. Add on.. memory to keep processes running Cached is the RAM being used for filesystem caches and other such things. Typical systems will need to have 20MB or so for this to avoid getting into bad paging states the Android out of memory killer is tuned..
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
How to implement my very own URI scheme on Android http://stackoverflow.com/questions/2448213/how-to-implement-my-very-own-uri-scheme-on-android for the Android OS. Is this possible This is somewhat analogous to what some programs already do on e.g. Windows systems such as Skype skype or any torrent downloader program torrent . android browser uri share improve this question This..
Android Debugging InetAddress.isReachable http://stackoverflow.com/questions/2935325/android-debugging-inetaddress-isreachable root privileges and then it tries to establish connection to port 7 that's usually have no running services on modern systems. you'd better check connectivity with establishing TCP connection to ports you know should be open. share improve this..
http://stackoverflow.com/questions/5120185/android-sleep-standby-mode once I just want an explanation to better understand this. My question is what exactly does sleep mode do on android systems What does it stop what doesn't it stop etc. By sleep mode I mean of course when you press the power button and the screen.. isn't too difficult Using AlarmManager is a bit tricky. My question is what exactly does sleep mode do on android systems Primarily it shuts down the CPU. Along the way non essential radios WiFi GPS will have been shut down as well. What does..
http://stackoverflow.com/questions/5300391/unicode-support-for-android embedded in the font to display text properly. In Windows this is handled by system library called Uniscribe on Apple systems by ATSUI and on Linux systems by Pango. Android is based on Linux but unfortunately Google seem to have removed the parts.. text properly. In Windows this is handled by system library called Uniscribe on Apple systems by ATSUI and on Linux systems by Pango. Android is based on Linux but unfortunately Google seem to have removed the parts for handling complex scripts...
static variable null when returning to the app http://stackoverflow.com/questions/9541688/static-variable-null-when-returning-to-the-app android activity static null share improve this question This is standard behavior in most mobile operating systems definitely including Android. Your app is in fact very often killed if some other application with higher priority generally..
How can i run C binary (executable file) in Android from Android Shell http://stackoverflow.com/questions/9868309/how-can-i-run-c-binary-executable-file-in-android-from-android-shell my answer is dependent on your using NDK r7b it'll work for r7c as well on Linux change paths appropriately for other systems . Edit Last tested with NDK r8e on Linux and Nexus 4 with adb from SDK Platform Tools Rev 18 on Windows 7 latest as of 2013..
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