1000 by 1000 for loop in android sep

I have a code like this running on Android 2.3.3 (Nexus One)

for(i=0; i<1000; i++){
    for(j=0;j<1000;j++){
         do AND calculation
         do XOR calculation
    }
}

Is this too much calculation for android? I went through the debugger and the debugger lost its control after 3 iteration of the first for loop (3000 iteration tota开发者_JAVA技巧l)

I am running this on a new thread like this and call this function on main ui thread..

public void startCalculation(ArrayList<data> featA, ArrayList<data> featB){

    newThread= new Thread(new Runnable(){
        public void run(){
            theFunction();
        }
    });
    newThread.start();
}

Thanks in advance...

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Yeah it seems likely that the process monitor killed your application because it was unresponsive. Keep long running operations off the UI thread.

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Do not do this on UI thread ... use Threads or AsyncTasks for long running operations

EDITed:

for debug use logcat ... just add

Log.d("Some My Tag", "Debuging value of smth is:" + value);

and then read values from Logcat's window in Eclipse

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You will get a ANR (Application not responding) error if you carry out long running operations on the UI thread. You should do your heavy duty work in background threads.