DART

flutter image load

Image.asset(name) is essentially Image(image: AssetImage(name)),
Image.file(path) is essentially Image(image: FileImage(File(path))),
Image.network(url) is essentially Image(image: NetworkImage(url)),
Image.memory(list) is essentially Image(image: MemoryImage(list))

flutter load image from assets

1. add the following codes to 【pubspec.yaml】
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assets:
     - assets/xxx/xxx/xxx.jpg
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2. call assets with the following code
 AssetImage('assets/xxx/xxx/xxx.jpg')
eg : CircleAvatar(
			radius: 50,
			backgroundImage: AssetImage('assets/images/app_logo/guest.jpg'),)
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