CatchSystemInsets

public class CatchSystemInsets extends FrameLayout {

  private static final boolean CATCH_INSETS = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;

  WindowInsets insets;

  public CatchSystemInsets(Context context) {
    super(context);
    init();
  }

  public CatchSystemInsets(Context context, AttributeSet attrs) {
    super(context, attrs);
    init();
  }

  public CatchSystemInsets(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    init();
  }

  public CatchSystemInsets(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    super(context, attrs, defStyleAttr, defStyleRes);
    init();
  }

  private void init() {
    if (CATCH_INSETS) {
      setFitsSystemWindows(true);
      setSystemUiVisibility(SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
    }
  }

  @Override public WindowInsets onApplyWindowInsets(WindowInsets insets) {
    if (CATCH_INSETS) {
      this.insets = new WindowInsets(insets);
      return insets.consumeSystemWindowInsets();
    }

    return insets;
  }

  @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    if (CATCH_INSETS) {
      if (insets != null) {
        for (int i = 0, childCount = getChildCount(); i < childCount; i++) {
          View child = getChildAt(i);
          child.dispatchApplyWindowInsets(insets);
        }
      }
    }
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}