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Using: targetSdkVersion (API Level) 30.

It's showing 'Handler()' is deprecated.

private void initDelay() {
        new Handler().postDelayed(() -> LaunchNextActivity(), SPLASH_DELAY_IN_MILLIS);
    }

Trying to remove bottom navigation soft keys in android for that using:

public void FullScreen() {
            View decorView = getWindow().getDecorView();
            int uiOptions = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
            decorView.setSystemUiVisibility(uiOptions);
        }

Here also showing: 'SYSTEM_UI_FLAG_HIDE_NAVIGATION' is deprecated, 'SYSTEM_UI_FLAG_IMMERSIVE_STICKY' is deprecated, 'setSystemUiVisibility(int)' is deprecated. What are the replacements of all these.

Below are attached images for better understanding.

enter image description here

enter image description here

Deeksha Sharma
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    When something gets deprecated, then the documentation usually tells you what to use instead. Check [`SYSTEM_UI_FLAG_HIDE_NAVIGATION`](https://developer.android.com/reference/android/view/View#SYSTEM_UI_FLAG_HIDE_NAVIGATION) for example. – Joachim Sauer Jul 10 '20 at 15:08

1 Answers1

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  1. Enable Fullscreen

you can use: window.insetsController?.hide(WindowInsets.Type.statusBars())

    @Suppress("DEPRECATION")
    private fun enableFullScreenMode() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            window.insetsController?.hide(WindowInsets.Type.statusBars())
        } else {
            window.setFlags(
                WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN
            )
        }
    }

   // Bonus: Disable Full Screen Mode
    @Suppress("DEPRECATION")
    private fun disableFullScreenMode() {
        // Note you need to check version via Build.VERSION.SDK_INT >= Build.VERSION_CODES.R
        // to avoid future errors
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            window.insetsController?.show(WindowInsets.Type.statusBars())
        } else {

            window?.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)
        }
    }

More info here:

  1. Handler() is now deprecated you can use: Handler(Looper.getMainLooper())
val handler = Handler(Looper.getMainLooper())
handler.postDelayed( ... )
raquezha
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