How to Utilize System API for Full-Screen Display

From wizarPOS

To hide the status bar and navigation bar, the following APIs are provided. Note that after calling the API, the status bar or navigation bar is hidden or displayed not only in your application, but also throughout the system.

Permission

 android.permission.CLOUDPOS_HIDE_STATUS_BAR

The application declares permissions in the manifest.

API Overview

Hide or show status/navigation bar using HideBars

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.

Here are some code snippets:

//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 the state of the status bar and navigation bar.

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

Here are some code snippets:

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