My image is unable to resize. Firstly I have put the background in the container widget. After that, I have put the logo image in the center widget using Image.assets. The main problem is that the size of the image is resizing according to the height and width. Currently, I am coding in the flutter framework using dart language.
I am doing coding in Android Studio.
@override
Widget build(BuildContext context) {
return new MaterialApp(
debugShowCheckedModeBanner: false,
home: new Scaffold(
body: …我想通过使用标识符连接外围设备。我可以做吗？
centralManager?.connect(peripheral, options: nil)
我正在一个中扫描设备ViewController并在另一个中连接它ViewController。
以下是我的要求：
当我扫描设备并保存下次可以出现在主屏幕并直接连接的设备时。因此，为此，我使用单例类来从一个视图访问另一个视图的外围数据。但它总是初始化为空。所以我想通过使用标识符来连接外围设备。我不知道我们在哪里存储[CBPeripheral]并在需要时访问它。