Type alias: NetworkType

Ƭ NetworkType(): "wifi" | "2g" | "3g" | "4g" | "unknown" | "none"

网络类型

可选值：

• 'wifi': wifi 网络;
• '2g': 2g 网络;
• '3g': 3g 网络;
• '4g': 4g 网络;
• 'unknown': Android 下不常见的网络类型;
• 'none': 无网络;

返回值:

"wifi" | "2g" | "3g" | "4g" | "unknown" | "none"