How to Utilize System API for Full-Screen Display

For hiding the status bar and navigation bar, the system provides the following API.

Please notice that after calling that API, the status bar or navigation bar will hide or show not only in your app, but also in all the system.

Permission

 android.permission.CLOUDPOS_HIDE_STATUS_BAR

The app declares the permission in the manifest.

API Overview

HideBars for hiding or showing the status/navigation bar

void hideBars(int state)

set status bar and navigation bar state

Parameters
state	int: 1 : hide status bar, 2 : hide navigation bar, 3: hide both, 0: show both.

The follows are some snippet code:

//hideBars:
Object service = getSystemService("statusbar");
Class statusBarManager = Class.forName("android.app.StatusBarManager");
Method method = statusBarManager.getMethod("hideBars", int.class);
method.invoke(service, 3);

GetBarsVisibility

int getBarsVisibility();

get state of status bar and navigation bar.

Returns
int	The result , 1 : hide status bar, 2 : hide navigation bar, 3: hide both, 0: show both.

The follows are some snippet code:

//getBarsVisibility:
Object service = getSystemService("statusbar");
Class statusBarManager = Class.forName("android.app.StatusBarManager");
Method method = statusBarManager.getMethod("getBarsVisibility");
Object object = expand.invoke(service);