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UIWidgetsでAndroidのBackKey対応

Last updated at Posted at 2020-01-07

#はじめに
UIWidgetsでダウンロード確認Popup等を出した時にAndroidのBackKeyでPopされて
正常に処理されない事があったのでその対応の備忘録。

#対応
表示したいWidgetをWillPopScopeで囲ってあげればOKだった。

#コード

public static Widget DisableBackKey(Widget 表示したいWidget)
{
    IPromise<bool> promise = new Promise<bool>();
    return new WillPopScope(child: 表示したいWidget, onWillPop: () => promise);
}
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