How to Hide System Bar on Android Ics

Easy way to hide system bar on Android ICS

HideBar has a kiosk mode especially for this use case.

A free download is available at http://ppareit.github.com/HideBar/.
You can also find it in the market at https://play.google.com/store/apps/details?id=be.ppareit.hidebar.

If you want to incorporate it in your own test/survey application you can always contact the developer (see the links for an email). The code could be explained or an Intent to do the hiding could be provided.

Android ICS hide System bar

I will not talk about the 'why', just about the 'how' :-)

So, about

getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

This will not affect tablet devices, which use a system bar rather than a separate navigation
and status bars.

On Tablet, you could try (API Level 14 onward)

myView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);

To detect the event, I think you could use this to catch the event:

myView.setOnSystemUiVisibilityChangeListener(
   new OnSystemUiVisibilityChangeListener()
      {
      public void onSystemUiVisibilityChange(int visibility)
      {
         if (visibility == View.SYSTEM_UI_FLAG_VISIBLE) {
            // TODO whatever you want
         }
         else {
            // TODO what to do in the other case
         }
      }
   }
);

More generally, here is an additional advice from 'Professional Android 4 Application development'

It’s generally good practice to synchronize other changes within your
UI with changes in navigation visibility. For example, you may choose
to hide and display the Action Bar and other navigational controls
based on entering and exiting “full screen mode.” You can do this by
registering an OnSystemUiVisibilityChangeListener to your View —
generally, the View you are using to control the navigation visibility

.

Hide Status bar on Android Ice Cream Sandwich

You cannot get rid of the system bar on tablets. You may be able to get rid of the navigation bar and status bar on phones. Please read the "Controls for system UI visibility" section of the Android 4.0 SDK release notes.

is it possible to hide the system bar

You can't hide it but you can disable it, except home. For that you can give your application as home category and let the user choose.

<category android:name="android.intent.category.HOME" />

Rest all can be disable.

add this in manifest.

<uses-permission android:name="android.permission.EXPAND_STATUS_BAR"/>

inside onCreate()

this.requestWindowFeature(Window.FEATURE_NO_TITLE); 
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_home);
    View v = findViewById(R.id.home_view);
    v.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);

where home_view is the parent view of xml file.

 @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
            return false;
        }

 public void onWindowFocusChanged(boolean hasFocus)
     {
             try
             {
                if(!hasFocus)
                {
                     Object service  = getSystemService("statusbar");
                     Class<?> statusbarManager = Class.forName("android.app.StatusBarManager");
                     Method collapse = statusbarManager.getMethod("collapse");
                     collapse .setAccessible(true);
                     collapse .invoke(service);
                }
             }
             catch(Exception ex)
             {
             }
     }

Hide Tablet system bar

Finally after searching lots of time I got some alternativ for my requirement.

I know this is not a good idea for a programmer to back off from this situation but for my time limit I used this way...

I found this link and application which fullfil my requirement

http://www.42gears.com/blog/2012/04/how-to-hide-bottom-bar-in-rooted-android-3-0-tablets-using-surelock/

please visit this once if you want this type of requirement in your application ....

Thanks to all for helping me in my problem...

How to hide system bar and make visible only on touching screen in android

Just make full screen activity in eclipse...and rest will done by android..

Android 4.0.3 Hide Notification Bar and Title Bar

The thing holding the navigation buttons back and home, time, network information etc is referred to as "navigation" bar.

You can not hide it within the given framework, but it is possible if rooting the device is an option for you:

1. Root device

2. Install and run Busybox

3. Install HideBar

In HideBar there is an option to run in 'Kiosk' mode, in which there is no way to re-display the navigation bar. Needless to say, you really need to be careful with this.

This question was also asked here:

Android tablet navigation bar won't hide

How to remove system bars on Android, I mean, all

Android tablet navigation bar won't hide

Is there a way to hide the system/navigation bar in Android ICS

Hide Tablet system bar

Real Fullscreen with Android 4 Tablets

Easy way to hide system bar on Android ICS

Is there a way to hide the system bar in Android 3.0? It's an internal device and I'm managing navigation

You cannot hide the system bar on Android 3.0.

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