autoShow static method

void autoShow(BuildContext context, { dynamic msg = '加载中...', })

Implementation

static void autoShow(BuildContext context, {msg = '加载中...'}) {
  WidgetsBinding widgetsBinding = WidgetsBinding.instance;
  widgetsBinding.addPostFrameCallback((callback) {
    dismiss();

    isLoading = true;
    isAutoShow = true;
    _context = context;

    timerTread();

    if (overlayEntry == null) {
      overlayEntry = new OverlayEntry(
        builder: (context) {
          return new Center(
            child: new Material(
              type: MaterialType.transparency,
              textStyle: new TextStyle(color: const Color(0xFF212121)),
              child: new Container(
                decoration: BoxDecoration(
                  borderRadius:
                      new BorderRadius.all(new Radius.circular(4.0)),
                  color: Color.fromRGBO(0, 0, 0, 0.3),
                ),
                padding: EdgeInsets.symmetric(vertical: 10.0, horizontal: 4),
                width: 90.0,
                height: 90.0,
                alignment: Alignment.center,
                child: new Wrap(
                  crossAxisAlignment: WrapCrossAlignment.center,
                  children: <Widget>[
                    new Container(
                      width: double.infinity,
                      alignment: Alignment.center,
                      child: new Image.asset(icon, package: package),
                    ),
                    new Padding(
                      padding: EdgeInsets.only(top: 10),
                      child: new Center(
                        child: new Text(
                          msg,
                          style: TextStyle(color: Colors.white),
                          maxLines: 3,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
            ),
          );
        },
      );
    }

    Overlay.of(_context!).insert(overlayEntry!);
  });
}