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2014/10/16 ¤W¤È 08:21:31
android Programming Glossary: poolJDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android I possibly could. You can use something like PgBouncer to pool connections among many devices at the server side so connection.. among many devices at the server side so connection pooling isn't a big problem but cleanup of lost and abandoned connections..
AsyncTask threads never die (Android) http://stackoverflow.com/questions/3077461/asynctask-threads-never-die-android share improve this question AsyncTask manages a thread pool created with ThreadPoolExecutor . It will have from 5 to 128..
Using client/server certificates for two way authentication SSL socket on Android http://stackoverflow.com/questions/4064810/using-client-server-certificates-for-two-way-authentication-ssl-socket-on-androi params Android app 1.0.0 Make pool ConnPerRoute connPerRoute new ConnPerRouteBean 12 ConnManagerParams.setMaxConnectionsPerRoute..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible share improve this question AsyncTask uses a thread pool pattern for running the stuff from doInBackground . The issue.. . The issue is initially in early Android OS versions the pool size was just 1 meaning no parallel computations for a bunch.. thread. Starting with DONUT this was changed to a pool of threads allowing multiple tasks to operate in parallel. After..
Android + MySQL using com.mysql.jdbc.Driver http://stackoverflow.com/questions/4810116/android-mysql-using-com-mysql-jdbc-driver that works. Check your code also you need to implement a pool of connections for each activity of your application just add..
getViewTypeCount and getItemViewType methods of ArrayAdapter http://stackoverflow.com/questions/5300962/getviewtypecount-and-getitemviewtype-methods-of-arrayadapter about to display. The framework checks its recycled views pool for views of row n 's type. It doesn't find any because no views.. by scrolling off the screen it goes into a recycled views pool that is managed by the framework. These are essentially organized.. to display. This time there is a view in the recycled pool of the appropriate type. The recycled view is passed to you..
AsyncTask.executeOnExecutor() before API Level 11 http://stackoverflow.com/questions/7211684/asynctask-executeonexecutor-before-api-level-11 a number of doIntenseJob in parallel managed by a threadpool e.g. poolSize 5 . Looks like google do give a solution by AsyncTask.executeOnExecutor.. of doIntenseJob in parallel managed by a threadpool e.g. poolSize 5 . Looks like google do give a solution by AsyncTask.executeOnExecutor.. Y java android multithreading android asynctask threadpool share improve this question My intense tasks are loosely..
Android: RunOnUiThread vs AsyncTask http://stackoverflow.com/questions/9296539/android-runonuithread-vs-asynctask you execute that. Using AsyncTask however uses a static pool of max 128 threads and will reuse an old thread whenever it..
Android AsyncTask threads limits? http://stackoverflow.com/questions/9654148/android-asynctask-threads-limits is controlled by two parameters the core pool size and the maximum pool size . If there are less than core.. by two parameters the core pool size and the maximum pool size . If there are less than core pool size threads currently.. and the maximum pool size . If there are less than core pool size threads currently active and a new job comes in the executor..
How to create fireworks particle graphics effect on android http://stackoverflow.com/questions/5408204/how-to-create-fireworks-particle-graphics-effect-on-android engine. However what you should focus on are these Memory Pool pattern useful for fireworks since you don't want to allocate..
How to manage multiple Async Tasks efficiently in Android http://stackoverflow.com/questions/9221343/how-to-manage-multiple-async-tasks-efficiently-in-android of AsyncTasks i'll refer to this collection as your Pool your Activity creates the AsyncTasks but not execute yet and.. the AsyncTasks but not execute yet and adds them to the Pool Activity registers itself as an observer of the Pool Activity.. the Pool Activity registers itself as an observer of the Pool Activity tells Pool to execute Pool in turn calls execute on..
JDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android avoid it for reasons of database performance management if I possibly could. You can use something like PgBouncer to pool connections among many devices at the server side so connection pooling isn't a big problem but cleanup of lost and abandoned.. could. You can use something like PgBouncer to pool connections among many devices at the server side so connection pooling isn't a big problem but cleanup of lost and abandoned connections is as is the tcp keepalive traffic required to make..
AsyncTask threads never die (Android) http://stackoverflow.com/questions/3077461/asynctask-threads-never-die-android threads Thanks android multithreading android asynctask share improve this question AsyncTask manages a thread pool created with ThreadPoolExecutor . It will have from 5 to 128 threads. If there are more than 5 threads those extra threads..
Using client/server certificates for two way authentication SSL socket on Android http://stackoverflow.com/questions/4064810/using-client-server-certificates-for-two-way-authentication-ssl-socket-on-androi 8 HttpProtocolParams.setUseExpectContinue params true HttpProtocolParams.setUserAgent params Android app 1.0.0 Make pool ConnPerRoute connPerRoute new ConnPerRouteBean 12 ConnManagerParams.setMaxConnectionsPerRoute params connPerRoute ConnManagerParams.setMaxTotalConnections..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible Hero running Android 2.1. Hmmm ... android android asynctask share improve this question AsyncTask uses a thread pool pattern for running the stuff from doInBackground . The issue is initially in early Android OS versions the pool size was.. pool pattern for running the stuff from doInBackground . The issue is initially in early Android OS versions the pool size was just 1 meaning no parallel computations for a bunch of AsyncTasks. But later they fixed that and now the size is.. introduced AsyncTasks were executed serially on a single background thread. Starting with DONUT this was changed to a pool of threads allowing multiple tasks to operate in parallel. After HONEYCOMB it is planned to change this back to a single..
Android + MySQL using com.mysql.jdbc.Driver http://stackoverflow.com/questions/4810116/android-mysql-using-com-mysql-jdbc-driver connector java 3.0.17 ga bin.jar for now is the only one that works. Check your code also you need to implement a pool of connections for each activity of your application just add a private Connection var and initialize that in your OnCreate..
getViewTypeCount and getItemViewType methods of ArrayAdapter http://stackoverflow.com/questions/5300962/getviewtypecount-and-getitemviewtype-methods-of-arrayadapter The framework calls getItemViewType for row n the row it is about to display. The framework checks its recycled views pool for views of row n 's type. It doesn't find any because no views have been recycled yet. getView is called for row n . You.. view is displayed to the user. Now when a view is recycled by scrolling off the screen it goes into a recycled views pool that is managed by the framework. These are essentially organized by view type so that a view of the correct type is given.. The framework again calls getItemViewType for the row it wants to display. This time there is a view in the recycled pool of the appropriate type. The recycled view is passed to you as the convertView parameter to your getView method. You fill..
AsyncTask.executeOnExecutor() before API Level 11 http://stackoverflow.com/questions/7211684/asynctask-executeonexecutor-before-api-level-11 different kind of scenario. What I really like to have is run a number of doIntenseJob in parallel managed by a threadpool e.g. poolSize 5 . Looks like google do give a solution by AsyncTask.executeOnExecutor but unfortunately only available since.. kind of scenario. What I really like to have is run a number of doIntenseJob in parallel managed by a threadpool e.g. poolSize 5 . Looks like google do give a solution by AsyncTask.executeOnExecutor but unfortunately only available since API level.. achieve the same behavior under API level 11. Thanks in advance Y java android multithreading android asynctask threadpool share improve this question My intense tasks are loosely coupled and the execution order does not matter by doing this..
Android: RunOnUiThread vs AsyncTask http://stackoverflow.com/questions/9296539/android-runonuithread-vs-asynctask new Thread you're really creating a new thread every time you execute that. Using AsyncTask however uses a static pool of max 128 threads and will reuse an old thread whenever it exists. So running 10 times AsyncTask in serial will only create..
Android AsyncTask threads limits? http://stackoverflow.com/questions/9654148/android-asynctask-threads-limits time in the future. The 'when am I ready ' behaviour of a ThreadPoolExecutor is controlled by two parameters the core pool size and the maximum pool size . If there are less than core pool size threads currently active and a new job comes in the.. am I ready ' behaviour of a ThreadPoolExecutor is controlled by two parameters the core pool size and the maximum pool size . If there are less than core pool size threads currently active and a new job comes in the executor will create a.. is controlled by two parameters the core pool size and the maximum pool size . If there are less than core pool size threads currently active and a new job comes in the executor will create a new thread and execute it immediately. If..
How to create fireworks particle graphics effect on android http://stackoverflow.com/questions/5408204/how-to-create-fireworks-particle-graphics-effect-on-android is basically an engine for particles that includes a physics engine. However what you should focus on are these Memory Pool pattern useful for fireworks since you don't want to allocate objects during runtime. Particle system tutorial great and..
How to manage multiple Async Tasks efficiently in Android http://stackoverflow.com/questions/9221343/how-to-manage-multiple-async-tasks-efficiently-in-android you to spoof a 'batch' http call. create an Observable collection of AsyncTasks i'll refer to this collection as your Pool your Activity creates the AsyncTasks but not execute yet and adds them to the Pool Activity registers itself as an observer.. refer to this collection as your Pool your Activity creates the AsyncTasks but not execute yet and adds them to the Pool Activity registers itself as an observer of the Pool Activity tells Pool to execute Pool in turn calls execute on each of.. creates the AsyncTasks but not execute yet and adds them to the Pool Activity registers itself as an observer of the Pool Activity tells Pool to execute Pool in turn calls execute on each of its Tasks When tasks complete for both success and..
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