How to hide Action bar / Notification bar/ Status bar in Android | How to display activity in full screen

We saw in many games or another application that splash activity starts on full screen without status bar or anything. It’s very easy to implement this.

There are two sets of codes for android version 4.1 above and below. So I have put in If statement both codes.

Step-1: Copy and paste the below codes after setContentView() in onCreate(), whichever activity you want in full screen.

Code:

if (Build.VERSION.SDK_INT < 16) {

            getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,

                    WindowManager.LayoutParams.FLAG_FULLSCREEN);

        }

       

        else{

              View decorView = getWindow().getDecorView();

              // Hide the status bar.

              int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;

              decorView.setSystemUiVisibility(uiOptions);

              // Remember that you should never show the action bar if the

              // status bar is hidden, so hide that too if necessary.

              ActionBar actionBar = getActionBar();

              actionBar.hide();

        }

Step-2: After pasting this code will give some errors.Keep the mouse cursor on red and import relataed classes.. Your code will run.

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