如何从 Google Play 商店获取最新的 Android 应用程序版本?早些时候使用下面的代码来这样做
using (var webClient = new System.Net.WebClient())
{
var searchString = "itemprop=\"softwareVersion\">";
var endString = "</";
//possible network error if phone gets disconnected
string jsonString = webClient.DownloadString(PlayStoreUrl);
var pos = jsonString.IndexOf(searchString, StringComparison.InvariantCultureIgnoreCase) + searchString.Length;
var endPos = jsonString.IndexOf(endString, pos, StringComparison.Ordinal);
appStoreversion = Convert.ToDouble(jsonString.Substring(pos, endPos - pos).Trim());
System.Diagnostics.Debug.WriteLine($"{currentVersion} :: {appStoreversion}");
System.Diagnostics.Debug.WriteLine($"{appStoreversion > currentVersion}");
if ((appStoreversion.ToString() != currentVersion.ToString() && (appStoreversion > currentVersion)))
{
IsUpdateRequired = true;
}
}
& 下面的代码甚至抛出异常
var document =
Jsoup.Connect("https://play.google.com/store/apps/details?id=" + "com.spp.in.spp" + "&hl=en")
.Timeout(30000)
.UserAgent("Mozilla/5.0 (Windows; U; WindowsNT 5.1; en-US; rv1.8.1.6) Gecko/20070725 Firefox/2.0.0.6")
.Referrer("http://www.google.com")
.Get();
欺骗:
Android.OS.NetworkOnMainThreadException: Exception of type 'Android.OS.NetworkOnMainThreadException' was thrown. at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw ()
但现在 Play 商店似乎改变了一些条件,因此现有功能被分解了。此处几乎没有类似的主题,但这些主题似乎已经过时。
最佳答案
这将返回一个基于字符串的版本,至少在 Google 再次更改 html 页面内容之前是这样。
var version = await Task.Run(async () =>
{
var uri = new Uri($"https://play.google.com/store/apps/details?id={PackageName}&hl=en");
using (var client = new HttpClient())
using (var request = new HttpRequestMessage(HttpMethod.Get, uri))
{
request.Headers.TryAddWithoutValidation("Accept", "text/html");
request.Headers.TryAddWithoutValidation("User-Agent", "Mozilla/5.0 (Windows NT 6.2; WOW64; rv:19.0) Gecko/20100101 Firefox/19.0");
request.Headers.TryAddWithoutValidation("Accept-Charset", "ISO-8859-1");
using (var response = await client.SendAsync(request).ConfigureAwait(false))
{
try
{
response.EnsureSuccessStatusCode();
var responseHTML = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
var rx = new Regex(@"(?<=""htlgb"">)(\d{1,3}\.\d{1,3}\.{0,1}\d{0,3})(?=<\/span>)", RegexOptions.Compiled);
MatchCollection matches = rx.Matches(responseHTML);
return matches.Count > 0 ? matches[0].Value : "Unknown";
}
catch
{
return "Error";
}
}
}
}
);
Console.WriteLine(version);
关于c# - 从 Play 商店 xamarin 获取最新的应用程序版本,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51241855/