android新的網絡狀態判斷方式

在Android中compileSdkVersion爲29時，NetworkInfo被標記爲deprecated。現在根據Network來判斷

/**
 * @Author:         kanghanbin
 * @Description:    NetworkUtil判斷網絡狀態是否可用
 * @CreateDate:     2020/4/27 14:16
 */
val Context.isNetWorkAvailable: Boolean
    get() {
        val connectivityManager =
            getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
        val result: Boolean
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            val network = connectivityManager.activeNetwork
            val networkCapabilities: NetworkCapabilities? =
                connectivityManager.getNetworkCapabilities(network)
            result = if (networkCapabilities != null) {
                if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
                    Log.i("khb", "wifi")
                } else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
                    Log.i("khb", "手機流量")
                }
                true
            } else {
                Log.i("khb", "沒有網絡")
                false
            }
        } else {
            val networkInfo = connectivityManager.activeNetworkInfo
            result = if (networkInfo != null && networkInfo.isAvailable) {
                Log.i("khb", networkInfo.typeName)
                true
            } else {
                Log.i("khb", "沒有網絡")
                false
            }
        }
        return result

    }