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Statusbarのサイズ(高さ)を取得する。

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やりたいこと

AndroidでStatusbarの高さが必要なことがあります。例えばStatusbarを透過させてそのサイズだけ下のViewにPaddingを追加したりするときなどです。そんなときは以下のコードを適当なユーティリティクラスに書いておけばOKです!

コード

     /**
     * Return Statusbar size.
     * @param activity Activity
     * @return Statusbar size
     */
    public static int getStatusBarHeight(Activity activity){
        final Rect rect = new Rect();
        Window window = activity.getWindow();
        window.getDecorView().getWindowVisibleDisplayFrame(rect);
        return rect.top;
    }

これでStatusbarの高さを取得できます。

注意点

これをActivityで実行するときはonCreateで呼び出すとまだViewの計算が終わってないので0になってしまいます。したがってonWindowFocusChanged()内で呼び出すようにしましょう。

lon9
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