Dear All,
Recently, I have tried to know what would happen to an
alive thread, when the device goes to sleep. I program a simple
activity that will create and start a thread printing "HERE AM I"
repeatedly through Log.d. I expect the thread would be stopped after I
"echo standby > /sys/android_power/request_state." The screen is off,
but the thread still keeps alive and prints out "HERE AM I." I don't
know why the thread can't be stopped. I test this through emulator
(1.5cupcake) and G1(1.1?), but the results are the same. Could anyone
give me some suggestions or hints about this question? Thanks in
advanced.
The following is my simple activity.
===============================CODE
HERE=================================
ublic class TestServiceDroid extends Activity {
PowerManager.WakeLock lock;
Thread h;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Thread h = new Thread(new Runnable(){
public void run(){
while(true){
try {
Log.d("TEST SERVICE","HERE AM I");
Thread.currentThread().sleep(3000);
} catch (InterruptedException e) {
// TODO Auto-generated catch
block
e.printStackTrace();
}
}
}
});
h.start();
}
}
===============================CODE
HERE=================================
Best regards,
Augustin.
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