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2014/10/16 ¤W¤È 08:10:16
android Programming Glossary: asynctasksAndroid AsyncTask for Long Running Operations http://stackoverflow.com/questions/12797550/android-asynctask-for-long-running-operations Quoting the documentation for AsyncTask found here it says AsyncTasks should ideally be used for short operations a few seconds at.. that question in detail. It will give an in depth view of AsyncTasks Loaders their features and drawbacks and also introduce you.. excerpt from the app The AsyncTask and Activity life cycle AsyncTasks don't follow Activity instances' life cycle. If you start an..
How do I return a boolean from AsyncTask? http://stackoverflow.com/questions/16752073/how-do-i-return-a-boolean-from-asynctask Toast.LENGTH_LONG .show I'm reworking my code to use AsyncTasks to perform the various ftp operations but how can I pass back..
http://stackoverflow.com/questions/1979524/android-splashscreen this currently . Some more good reading on the subject of AsyncTasks in Android can be found here and here . share improve this..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android can lock up the app resulting in an ANR. If I have several AsyncTasks should they share a connection or should they open a connection..
How to handle an AsyncTask during Screen Rotation? http://stackoverflow.com/questions/2620917/how-to-handle-an-asynctask-during-screen-rotation best for retrieving results of an AsyncTask. I have some AsyncTasks that are simply started again and call the isFinishing method..
Difference between Service, Async Task & Thread? http://stackoverflow.com/questions/3264383/difference-between-service-async-task-thread which is good to update UI components. I am using Services AsyncTasks frequently. Thread less or not at all as I can do almost everything..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible multiple AsyncTasks at the same time &mdash not possible I'm trying to run two.. the same time &mdash not possible I'm trying to run two AsyncTasks at the same time. Platform is Android 1.5 HTC Hero. However.. or doing something stupid Is it not possible to run two AsyncTasks at the same time Edit I realized the phone in question runs..
Android Can't create handler inside thread that has not called Looper.prepare() http://stackoverflow.com/questions/5009816/android-cant-create-handler-inside-thread-that-has-not-called-looper-prepare don't do that cos they won't ever Looper.loop either. AsyncTasks are really designed to be run from the UI thread only. The least..
Handler vs AsyncTask vs Thread http://stackoverflow.com/questions/6964011/handler-vs-asynctask-vs-thread slightly confused about the differences between Handlers AsyncTasks and Threads in Android. I've read quite a few blogs and questions.. or update multiple UI elements or have repeating tasks. AsyncTasks are similar infact they make use of Handlers but doesn't run.. more basic threading and you miss all the abstractions of AsyncTasks. However I would like to have a socket connection run in a service...
Android AsyncTask for Long Running Operations http://stackoverflow.com/questions/12797550/android-asynctask-for-long-running-operations AsyncTask for Long Running Operations Quoting the documentation for AsyncTask found here it says AsyncTasks should ideally be used for short operations a few seconds at the most. If you need to keep threads running for long periods.. RoboSpice Motivations app available on Google Play we answer that question in detail. It will give an in depth view of AsyncTasks Loaders their features and drawbacks and also introduce you to an alternative solution for network requests RoboSpice. Network.. and are by nature long running operations . Here is an excerpt from the app The AsyncTask and Activity life cycle AsyncTasks don't follow Activity instances' life cycle. If you start an AsyncTask inside an Activity and you rotate the device the..
How do I return a boolean from AsyncTask? http://stackoverflow.com/questions/16752073/how-do-i-return-a-boolean-from-asynctask else Toast.makeText SiteManager.this Connection Failed status Toast.LENGTH_LONG .show I'm reworking my code to use AsyncTasks to perform the various ftp operations but how can I pass back a boolean value if a connection is successfully made testConnection.setOnClickListener..
http://stackoverflow.com/questions/1979524/android-splashscreen
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android queries can be heavy and should not use the UI thread as it can lock up the app resulting in an ANR. If I have several AsyncTasks should they share a connection or should they open a connection each Are there any best practices for these scenarios android..
How to handle an AsyncTask during Screen Rotation? http://stackoverflow.com/questions/2620917/how-to-handle-an-asynctask-during-screen-rotation of possibilities but I haven't figured out which one works best for retrieving results of an AsyncTask. I have some AsyncTasks that are simply started again and call the isFinishing method of the activity and if the activity is finishing they wont..
Difference between Service, Async Task & Thread? http://stackoverflow.com/questions/3264383/difference-between-service-async-task-thread
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible multiple AsyncTasks at the same time &mdash not possible I'm trying to run two AsyncTasks at the same time. Platform is Android 1.5 HTC Hero... multiple AsyncTasks at the same time &mdash not possible I'm trying to run two AsyncTasks at the same time. Platform is Android 1.5 HTC Hero. However only the first gets executed. Here's a simple snippet to describe.. will produce output. Am I missing something obvious here and or doing something stupid Is it not possible to run two AsyncTasks at the same time Edit I realized the phone in question runs Android 1.5 I updated the problem descr. accordingly. I don't..
Android Can't create handler inside thread that has not called Looper.prepare() http://stackoverflow.com/questions/5009816/android-cant-create-handler-inside-thread-that-has-not-called-looper-prepare trying to start an AsyncTask from a GL rendering thread... don't do that cos they won't ever Looper.loop either. AsyncTasks are really designed to be run from the UI thread only. The least disruptive fix would probably be to call Activity.runOnUiThread..
Handler vs AsyncTask vs Thread http://stackoverflow.com/questions/6964011/handler-vs-asynctask-vs-thread vs AsyncTask vs Thread I got slightly confused about the differences between Handlers AsyncTasks and Threads in Android. I've read quite a few blogs and questions here in stackoverflow. Handlers are background threads.. of MessagingQueues so if you want to schedule messages or update multiple UI elements or have repeating tasks. AsyncTasks are similar infact they make use of Handlers but doesn't run in the UI thread so its good for fetching data for instance.. the UI. Threads however can't interact with the UI provide more basic threading and you miss all the abstractions of AsyncTasks. However I would like to have a socket connection run in a service. Should this be run in a handler or a thread or even..
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