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2014/10/16 ¤W¤È 08:24:22
android Programming Glossary: slowerStruggling between native and phonegap, simple app requirements http://stackoverflow.com/questions/14065610/struggling-between-native-and-phonegap-simple-app-requirements a device. If possible always create a app that works on a slower devices because native app will successfully work on almost..
Is there an easier way to parse XML in Java? http://stackoverflow.com/questions/1719261/is-there-an-easier-way-to-parse-xml-in-java SAX is best for large documents but DOM is much easier if slower and much more memory intensive. share improve this answer..
Scrolling a Canvas smoothly in Android http://stackoverflow.com/questions/2079328/scrolling-a-canvas-smoothly-in-android by that number in a for each loop that makes it gradually slower ScrollAmount turns Friction . I Hope this gives some more insight...
Android 2.1: How do I poll the RSSI value of an existing Bluetooth connection? http://stackoverflow.com/questions/2149295/android-2-1-how-do-i-poll-the-rssi-value-of-an-existing-bluetooth-connection release connection after calling hci_read_rssi . This is slower than just measuring RSSI from beacons as other wireless communication..
android video, hear sound but no video http://stackoverflow.com/questions/2184364/android-video-hear-sound-but-no-video sometimes can get a video to play back but not always. On slower machines video playback never works. On a 2.5GHz Core 2 Quad..
Android : Loading an image from the Web with Asynctask http://stackoverflow.com/questions/3090650/android-loading-an-image-from-the-web-with-asynctask
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen I put together a ViewPager with the background moving at slower speed to give a parallax effect. The code is here . If you really..
Why does Android use Java? [closed] http://stackoverflow.com/questions/3560963/why-does-android-use-java This means that using Java over native code is 2 x times slower. Yes I know that using managed code applications is safer in..
Enhance webView performance (should be the same performance as native Web Browser) http://stackoverflow.com/questions/3652583/enhance-webview-performance-should-be-the-same-performance-as-native-web-browse experience is that loading websites in a WebView is much slower than performing the same actions in the Android Web Browser...
Should accessing SharedPreferences be done off the UI Thread? http://stackoverflow.com/questions/4371273/should-accessing-sharedpreferences-be-done-off-the-ui-thread your app's probably in a good spot. Writes are generally slower than reads though so be sure you're using SharedPreferenced..
Android, getting resource ID from string? http://stackoverflow.com/questions/4427608/android-getting-resource-id-from-string found a blog post saying that Resources.getIdentifier is slower than using reflection like I did. Check it out . share improve..
Sqlite issues with HTC Desire HD http://stackoverflow.com/questions/4718934/sqlite-issues-with-htc-desire-hd the database and executing them. While this will be slower much slower if you don't use transactions it might be less prone.. and executing them. While this will be slower much slower if you don't use transactions it might be less prone to database..
Android 2.3 Visualizer - Trouble understanding getFft() http://stackoverflow.com/questions/4720512/android-2-3-visualizer-trouble-understanding-getfft the sample rate and the positive amplitudes are moving slower than the sample rate. Did I understand this correctly android..
Android - What's the best way to share data between activities? http://stackoverflow.com/questions/4878159/android-whats-the-best-way-to-share-data-between-activities thus more chance of introducing bugs. It will also be much slower. Some of the ways to persist objects include Save them to the..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android more confusing on first usage as then the date picker is slower. One can fully disable the regular keyboard by making the input..
Pros and Cons of SQLite and Shared Preferences http://stackoverflow.com/questions/6276358/pros-and-cons-of-sqlite-and-shared-preferences the performance so reading data from a database can be slower than reading data from SharedPreferences. SharedPreferences..
Why use armeabi-v7a code over armeabi code? http://stackoverflow.com/questions/7080525/why-use-armeabi-v7a-code-over-armeabi-code armeabi will work fine on all devices but will be a lot slower and won't take advantage of newer devices' CPU capabilities...
Saving audio input of Android Stock speech recognition engine http://stackoverflow.com/questions/8583406/saving-audio-input-of-android-stock-speech-recognition-engine sample rate wrong will only result in the audio sounding slower or faster but if it sounds completely garbled it is probably..
http://stackoverflow.com/questions/9140952/store-android-sqlite then for perfomance application perfomance's will be bit slower than Internal Memory. However this can't be recognize while..
Struggling between native and phonegap, simple app requirements http://stackoverflow.com/questions/14065610/struggling-between-native-and-phonegap-simple-app-requirements mention that mobile phones behave differently depending on a device. If possible always create a app that works on a slower devices because native app will successfully work on almost any device. There's one last thing when creating hybrid apps..
Is there an easier way to parse XML in Java? http://stackoverflow.com/questions/1719261/is-there-an-easier-way-to-parse-xml-in-java
Scrolling a Canvas smoothly in Android http://stackoverflow.com/questions/2079328/scrolling-a-canvas-smoothly-in-android
Android 2.1: How do I poll the RSSI value of an existing Bluetooth connection? http://stackoverflow.com/questions/2149295/android-2-1-how-do-i-poll-the-rssi-value-of-an-existing-bluetooth-connection level no authentication is required for this connection and release connection after calling hci_read_rssi . This is slower than just measuring RSSI from beacons as other wireless communication means provide GSM or WIFI Low level connection to..
android video, hear sound but no video http://stackoverflow.com/questions/2184364/android-video-hear-sound-but-no-video in Android devices. For example on a 2.6GHz Core 2 Duo I sometimes can get a video to play back but not always. On slower machines video playback never works. On a 2.5GHz Core 2 Quad I always get video playback. That being said I usually test..
Android : Loading an image from the Web with Asynctask http://stackoverflow.com/questions/3090650/android-loading-an-image-from-the-web-with-asynctask
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen there are still people coming here just wanted to also say I put together a ViewPager with the background moving at slower speed to give a parallax effect. The code is here . If you really want to do it all manually the original answer is here..
Why does Android use Java? [closed] http://stackoverflow.com/questions/3560963/why-does-android-use-java new JIT compiler can achieve 2 5 times faster applications. This means that using Java over native code is 2 x times slower. Yes I know that using managed code applications is safer in terms of system stability since virtual machine has better..
Enhance webView performance (should be the same performance as native Web Browser) http://stackoverflow.com/questions/3652583/enhance-webview-performance-should-be-the-same-performance-as-native-web-browse should be the same performance as native Web Browser My experience is that loading websites in a WebView is much slower than performing the same actions in the Android Web Browser. I can see that all files have been loaded in my Apache log..
Should accessing SharedPreferences be done off the UI Thread? http://stackoverflow.com/questions/4371273/should-accessing-sharedpreferences-be-done-off-the-ui-thread in lazy bullet form if this is the worst of your problems your app's probably in a good spot. Writes are generally slower than reads though so be sure you're using SharedPreferenced Editor.apply instead of commit . apply is new in GB and async..
Android, getting resource ID from string? http://stackoverflow.com/questions/4427608/android-getting-resource-id-from-string
Sqlite issues with HTC Desire HD http://stackoverflow.com/questions/4718934/sqlite-issues-with-htc-desire-hd binary database to packaging the SQL statements to build populate the database and executing them. While this will be slower much slower if you don't use transactions it might be less prone to database file specific issues. share improve this answer..
Android 2.3 Visualizer - Trouble understanding getFft() http://stackoverflow.com/questions/4720512/android-2-3-visualizer-trouble-understanding-getfft output.length 1. The negative amplitudes are moving faster than the sample rate and the positive amplitudes are moving slower than the sample rate. Did I understand this correctly android signal processing fft visualizer android sdk 2.3 share..
Android - What's the best way to share data between activities? http://stackoverflow.com/questions/4878159/android-whats-the-best-way-to-share-data-between-activities and takes more time to implement. Requires more code and thus more chance of introducing bugs. It will also be much slower. Some of the ways to persist objects include Save them to the shared preferences Save them to a sqlite database Save them..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android quick flashing of the keyboard on iOS and things can be even more confusing on first usage as then the date picker is slower. One can fully disable the regular keyboard by making the input readonly if one is using the plugin but that disables the..
Pros and Cons of SQLite and Shared Preferences http://stackoverflow.com/questions/6276358/pros-and-cons-of-sqlite-and-shared-preferences Of course managing and searching large sets of data influences the performance so reading data from a database can be slower than reading data from SharedPreferences. SharedPreferences SharedPreferences is a key value store where you can save a..
Why use armeabi-v7a code over armeabi code? http://stackoverflow.com/questions/7080525/why-use-armeabi-v7a-code-over-armeabi-code floating point operations which makes a huge difference. armeabi will work fine on all devices but will be a lot slower and won't take advantage of newer devices' CPU capabilities. Do take some benchmarks for your particular application but..
Saving audio input of Android Stock speech recognition engine http://stackoverflow.com/questions/8583406/saving-audio-input-of-android-stock-speech-recognition-engine writing the data or the wrong number of channels. Getting the sample rate wrong will only result in the audio sounding slower or faster but if it sounds completely garbled it is probably either a mistake in specifying the number of channels or endianess..
http://stackoverflow.com/questions/9140952/store-android-sqlite When you are storing database in external Memory like SD Card then for perfomance application perfomance's will be bit slower than Internal Memory. However this can't be recognize while there are medium level's record of database. When there are..
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