Android 每次创建新线程被添加到主线程组时
我正在创建许多曲面视图实例以查看某些对象,但一次创建一个实例,然后调用surfaceDestroyed。但是我每次在surfacecreated上创建的线程都被添加到主线程组中 虽然我正在中断并取消它,但它仍然驻留在主线程组中,并创建内存不足异常 代码片段: 建造师Android 每次创建新线程被添加到主线程组时,android,multithreading,out-of-memory,threadgroup,Android,Multithreading,Out Of Memory,Threadgroup,我正在创建许多曲面视图实例以查看某些对象,但一次创建一个实例,然后调用surfaceDestroyed。但是我每次在surfacecreated上创建的线程都被添加到主线程组中 虽然我正在中断并取消它,但它仍然驻留在主线程组中,并创建内存不足异常 代码片段: 建造师 public class MsurfaceView extends SurfaceView implements SurfaceHolder.Callback { _thread = new mThread(this
public class MsurfaceView extends SurfaceView implements
SurfaceHolder.Callback {
_thread = new mThread(this);
_thread.setName("mThread");
@Override
public void surfaceCreated(SurfaceHolder holder) {
if (!_thread.isAlive()) {
_thread = new BreedingThread(this);
}
_thread.setRunning(true);
_thread.start();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
Log.d("mThread", "Surface Destroyed Called");
getHolder().removeCallback(this);
getHolder().addCallback(null);
boolean retry = true;
_thread.setRunning(false);
while (retry) {
try {
_thread.interrupt();
_thread.getThreadGroup().interrupt();
_thread.join();
retry = false;
} catch (InterruptedException e) {
Log.d("mThread", "Interrupted");
// pass interrupt exception
Thread.currentThread().interrupt();
Log.d("mThread", "b4 threadGroupInterrupted");
_thread.getThreadGroup().interrupt();
_thread.getThreadGroup().list();//this shows thread is in //list
_thread = null;
break;
}
}
}
更新
函数显示我的中断线程和空线程仍在threadgroup中
06-10 15:22:52.780: INFO/System.out(1814): java.lang.ThreadGroup[name=main,maxPriority=10]
06-10 15:22:52.780: INFO/System.out(1814): Thread[main,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-2,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Binder Thread #1,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Binder Thread #2,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[FlurryAgent,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[AsyncTask #1,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[AsyncTask #2,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-17,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[mThread,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[mThread,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[mThread,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-38,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Timer-2,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[mThread,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[mThread,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-53,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-286,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-327,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-359,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[mThread,5,main]
06-10 15:22:52.780: INFO/System.out(1814): Thread[Thread-409,5,main]
如何删除它们?一些需要查找的内容
当您调用“新线程”且未指定组时,该线程将被添加到与调用者相同的组中(即
Thread.currentThread().getThreadGroup()
)。在您的情况下,这就是导致您的线程被添加到“主”线程组的原因。要更改该行为,请使用新线程(组,this)
指定组。未完成代码;只是为了理解代码片段。我正在创建这个surfaceview和这个线程,正如我在你的另一个线程中所说的。你不需要移除它们,也不应该移除它们。相反,您应该更正代码,以便终止线程,而不引用它们。hProf分析显示,只有主线程组引用了我的BreedingThread,这意味着线程仍在执行.System.out.println(“isRunning”+_thread.isRunning());=>false System.out.println(“isAlive”+_thread.isAlive());=>truelog打印出正在中断的线程。我将hprof与内存分析器一起使用,只显示breedingThread正在造成内存溢出的混乱,并且surface view的所有实例都已从内存中清除。我正在坦克_thread=null;到最后。thnx请帮忙