[Android] statusHeight 얻기

statusHeight.kt

onCreate() {
    if (Build.VERSION.SDK_INT >= 21) {
        windowInsetsRelay = PublishRelay.create();
        RelativeLayout base = findViewById(R.id.navi_activity_base);
        base.requestApplyInsets();
        base.setOnApplyWindowInsetsListener((v, insets) -> {
            windowInsetsRelay.accept(insets);
            return insets.consumeSystemWindowInsets();
        });
    }
}

onConfigurationChanged() {
    if (Build.VERSION.SDK_INT >= 21) {
        RelativeLayout base = findViewById(R.id.navi_activity_base);
        base.requestApplyInsets(); // 홈화면 나갔다가 다시 돌아올 경우 windowInsets 콜백이 오지 않는 경우가 있어 사용.
        if (disposable != null) {
            disposable.dispose();
        }
        disposable = windowInsetsRelay.debounce(100, TimeUnit.MILLISECONDS)
            .observeOn(AndroidSchedulers.mainThread())
            .subscribe(insets -> {
                naviView.setStatusBarHeights(insets.getSystemWindowInsetTop());
                configurationChanged();
            });
    } else {
        configurationChanged();
    }
}