private OnCheckedChangeListener listener=new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
registerReceiver(myBroadcast, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
}else{
bar.setProgress(0);
unregisterReceiver(myBroadcast);
}
}
};