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2014/10/16 ¤W¤È 08:24:44
android Programming Glossary: spawnhow to create own download manager in android 2.2 http://stackoverflow.com/questions/10908375/how-to-create-own-download-manager-in-android-2-2 a service IntentService is a subclass of Service which spawns a thread to do background work from there you should know that.. of your app when you extends Service you must manually spawn new threads to run CPU blocking operations . Download service..
Android - Issue with lazy loading images into a ListView http://stackoverflow.com/questions/1409623/android-issue-with-lazy-loading-images-into-a-listview In my getView implementation of the ArrayAdapter I spawn a separate thread to load an image. After the loading is done.. in kind of an infinite loop getView is called thread is spawned to load image image is loaded setImageDrawable is called on..
Why isn't view.invalidate immediately redrawing the screen in my android game http://stackoverflow.com/questions/1458047/why-isnt-view-invalidate-immediately-redrawing-the-screen-in-my-android-game . As a rule of thumb never sleep a thread that you didn't spawn yourself unless you know what you are doing. If you'd like to..
What is the difference between loading and creating AsyncTask on the UI thread? http://stackoverflow.com/questions/14978924/what-is-the-difference-between-loading-and-creating-asynctask-on-the-ui-thread improve this question Loaded means asynctask must be spawned from the UI thread as its purpose is execute heavy operations.. then update those results in the UI thread So if u wont spawn it from UI thread then u cannt update rseults back to the UI..
How do I get a Phonegap app to receive variables on Android? http://stackoverflow.com/questions/18374475/how-do-i-get-a-phonegap-app-to-receive-variables-on-android Android intents and web applications 1. web apps can spawn intents that call native Android applications. 2. after setting..
Progress bar in notification bar when uploading image? http://stackoverflow.com/questions/1871515/progress-bar-in-notification-bar-when-uploading-image bar. I think that's pretty slick. I guess they spawn a new service or something to handle the upload and update that..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog a service IntentService is a subclass of Service which spawns a thread to do background work from there you should know that.. of your app when you extends Service you must manually spawn new threads to run CPU blocking operations . Download service..
After orientation change buttons on a widget are not responding http://stackoverflow.com/questions/3503114/after-orientation-change-buttons-on-a-widget-are-not-responding operations then the service would be a good place to spawn a Thread and return the result back to the main UI thread to..
NullPointerException in handleStopActivity — No reference to my code in stack trace http://stackoverflow.com/questions/3513859/nullpointerexception-in-handlestopactivity-no-reference-to-my-code-in-stack-t handlers in both the service and activity and frequently spawn threads for expensive tasks. java android share improve this..
What is the Android UiThread (UI thread) http://stackoverflow.com/questions/3652560/what-is-the-android-uithread-ui-thread Processes and Threads click here. When you explicitly spawn a new thread to do work in the background this code is not is.. passing it to the RunOnUiThread method. For more info on spawning worker threads and updating the UI from them click here I..
android design considerations: AsyncTask vs Service (IntentService?) http://stackoverflow.com/questions/3817272/android-design-considerations-asynctask-vs-service-intentservice to start a service for that operation rather than simply spawn a thread particularly if the operation will likely outlast the..
http://stackoverflow.com/questions/4014391/anyone-doing-c2dm-on-android so multiple messages are ok. If the onMessage needs to spawn a thread or do something else it should use it's own lock...
http://stackoverflow.com/questions/4353570/android-service or blocking such as networking operations it should spawn its own thread in which to do that work. This is in contrast..
Is it possible to run a native arm binary on a non-rooted android phone? http://stackoverflow.com/questions/4703131/is-it-possible-to-run-a-native-arm-binary-on-a-non-rooted-android-phone to package them with a typical Android app and have them spawn as subprocesses. You'll have to include all the necessary files..
Update textView from thread! Please help! http://stackoverflow.com/questions/5400288/update-textview-from-thread-please-help Android application must happen in the UI thread. If you spawn a thread to do work in the background you must marshal the results.. pool to help mitigate some of the cost associated with spawning a new thread each time you want to do background work. share..
Best way to perform an action periodically - Handler? http://stackoverflow.com/questions/5452394/best-way-to-perform-an-action-periodically-handler simply ignore the second half of my code example and just spawn a new Thread as shown. Beware however if you are modifying variables..
How to handle RESTful update of remote server with SyncAdapter http://stackoverflow.com/questions/8003714/how-to-handle-restful-update-of-remote-server-with-syncadapter instead of creating your own Threads like I did above to spawn the HTTP requests. I hope this rambling explanation helps someone..
how to create own download manager in android 2.2 http://stackoverflow.com/questions/10908375/how-to-create-own-download-manager-in-android-2-2 is the one that will allow us to update our thread from a service IntentService is a subclass of Service which spawns a thread to do background work from there you should know that a Service runs actually in the same thread of your app when.. you should know that a Service runs actually in the same thread of your app when you extends Service you must manually spawn new threads to run CPU blocking operations . Download service can look like this public class DownloadService extends IntentService..
Android - Issue with lazy loading images into a ListView http://stackoverflow.com/questions/1409623/android-issue-with-lazy-loading-images-into-a-listview a custom subclass of ArrayAdapter which I use for the ListView. In my getView implementation of the ArrayAdapter I spawn a separate thread to load an image. After the loading is done it looks up the appropriate ImageView and sets the image with.. refreshes all currently visible rows in the list This results in kind of an infinite loop getView is called thread is spawned to load image image is loaded setImageDrawable is called on ImageView ListView picks it up for some reason and refreshes..
Why isn't view.invalidate immediately redrawing the screen in my android game http://stackoverflow.com/questions/1458047/why-isnt-view-invalidate-immediately-redrawing-the-screen-in-my-android-game are pausing input processing all together usually a bad idea . As a rule of thumb never sleep a thread that you didn't spawn yourself unless you know what you are doing. If you'd like to have your game logic periodically delay using Thread#sleep..
What is the difference between loading and creating AsyncTask on the UI thread? http://stackoverflow.com/questions/14978924/what-is-the-difference-between-loading-and-creating-asynctask-on-the-ui-thread talked about those later. android android asynctask share improve this question Loaded means asynctask must be spawned from the UI thread as its purpose is execute heavy operations in non UI Thread and then update those results in the UI..
How do I get a Phonegap app to receive variables on Android? http://stackoverflow.com/questions/18374475/how-do-i-get-a-phonegap-app-to-receive-variables-on-android WebIntent is a PhoneGap plugin that bridges Android intents and web applications 1. web apps can spawn intents that call native Android applications. 2. after setting up correct intent filters for PhoneGap applications Android..
Progress bar in notification bar when uploading image? http://stackoverflow.com/questions/1871515/progress-bar-in-notification-bar-when-uploading-image the picture upload notifications in a progress bar in the notification bar. I think that's pretty slick. I guess they spawn a new service or something to handle the upload and update that progress bar in the notification bar every so often. Thanks..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog is the one that will allow us to update our thread from a service IntentService is a subclass of Service which spawns a thread to do background work from there you should know that a Service runs actually in the same thread of your app when.. you should know that a Service runs actually in the same thread of your app when you extends Service you must manually spawn new threads to run CPU blocking operations . Download service can look like this public class DownloadService extends IntentService..
After orientation change buttons on a widget are not responding http://stackoverflow.com/questions/3503114/after-orientation-change-buttons-on-a-widget-are-not-responding you to manage rotations. And if you're performing any blocking operations then the service would be a good place to spawn a Thread and return the result back to the main UI thread to avoid ANRs. I would suggest something like the following public..
NullPointerException in handleStopActivity — No reference to my code in stack trace http://stackoverflow.com/questions/3513859/nullpointerexception-in-handlestopactivity-no-reference-to-my-code-in-stack-t via aidl interface and callback. I also make use of message handlers in both the service and activity and frequently spawn threads for expensive tasks. java android share improve this question How about reporting a bug to Android Project..
What is the Android UiThread (UI thread) http://stackoverflow.com/questions/3652560/what-is-the-android-uithread-ui-thread to happen on the UI thread. For more info on your applications Processes and Threads click here. When you explicitly spawn a new thread to do work in the background this code is not is not run on the UIThread. So what happens if the this background.. by putting the UI modifying code in a Runnable object and passing it to the RunOnUiThread method. For more info on spawning worker threads and updating the UI from them click here I personally only use the RunOnUiThread method in my Instrumentation..
android design considerations: AsyncTask vs Service (IntentService?) http://stackoverflow.com/questions/3817272/android-design-considerations-asynctask-vs-service-intentservice that initiates a long running operation might do well to start a service for that operation rather than simply spawn a thread particularly if the operation will likely outlast the activity. Examples of this are playing music in the background..
http://stackoverflow.com/questions/4014391/anyone-doing-c2dm-on-android get back to sleep. The lock is reference counted by default so multiple messages are ok. If the onMessage needs to spawn a thread or do something else it should use it's own lock. mWakeLock.release This method recieves the intents from the..
http://stackoverflow.com/questions/4353570/android-service your service is going to do any CPU intensive such as MP3 playback or blocking such as networking operations it should spawn its own thread in which to do that work. This is in contrast to an activity which is best understood as something a user..
Is it possible to run a native arm binary on a non-rooted android phone? http://stackoverflow.com/questions/4703131/is-it-possible-to-run-a-native-arm-binary-on-a-non-rooted-android-phone in the Android NDK to compile your binaries it is possible to package them with a typical Android app and have them spawn as subprocesses. You'll have to include all the necessary files within the assets folder of your application. In order to..
Update textView from thread! Please help! http://stackoverflow.com/questions/5400288/update-textview-from-thread-please-help share improve this question Any updates to the UI in an Android application must happen in the UI thread. If you spawn a thread to do work in the background you must marshal the results back to the UI thread before you touch a View. You can..
Best way to perform an action periodically - Handler? http://stackoverflow.com/questions/5452394/best-way-to-perform-an-action-periodically-handler the UI with the results of this periodic function you can simply ignore the second half of my code example and just spawn a new Thread as shown. Beware however if you are modifying variables shared by this new Thread and the UI you are going..
How to handle RESTful update of remote server with SyncAdapter http://stackoverflow.com/questions/8003714/how-to-handle-restful-update-of-remote-server-with-syncadapter
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