android运行的线程中,android中线程是否运行在单独的进程中?
android sdk中的描述Caution:Aservice runs in the main thread of its hosting process—the servicedoesnotcreateits own thread anddoesnotrunin a separate process (unless you specify otherwise). This meansthat,
android sdk中的描述
Caution:A
service runs in the main thread of its hosting process—the service
doesnotcreate
its own thread and
doesnotrun
in a separate process (unless you specify otherwise). This means
that, if your service is going to do any CPU intensive work or
blocking operations (such as MP3 playback or networking),
you should create a new thread
within the service to do that work. By using a
separate thread, you will reduce the risk of Application Not Responding
(ANR) errors and the application's main thread can remain dedicated
to user interaction with your activities.
service是运行在主线程上的,而不是运行在另一个线程中,如果你想在service中处理很占时间的操作,你必须在service中开线程,这样可以降低activity没有响应的风险。
Should you use a service or a thread?
A service is simply a component that can run in the background
even when the user is not interacting with your application. Thus,
you should create a service only if that is what you need.
If you need to perform work outside your main thread, but only
while the user is interacting with your application, then you
should probably instead create a new thread and not a service. For
example, if you want to play some music, but only while your
activity is running, you might create a thread inorProcesses
and Threadingdocument for more
information about threads.
Remember that if you do use a service, it still runs in your
application's main thread by default, so you should still create a
new thread within the service if it performs intensive or blocking
operations.
摘自:http://blog.csdn.net/cwx01perfect/article/details/7522816
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