private voidcollapseStatusBar() {

intcurrentApiVersion= android.os.Build.VERSION.SDK_INT;

try{

Objectservice= getSystemService("statusbar");

ClassstatusbarManager= Class

.forName("android.app.StatusBarManager");

Methodcollapse=null;

if(service!=null) {

if(currentApiVersion<=16) {

collapse=statusbarManager.getMethod("collapse");

}else{

collapse=statusbarManager.getMethod("collapsePanels");

}

collapse.setAccessible(true);

collapse.invoke(service);

}

}catch(Exception e) {

e.printStackTrace();

}

}