public static Verison GetLatestVerison()
{
Verison verison = new Verison();
try
{
string RawVersionInfo = httpRequest.GetGerResult("https://raw.githubusercontent.com/UMI64/UinfoWork/master/UinfoWork/Properties/AndroidManifest.xml");
string RawVersionDiscriptionInfo = httpRequest.GetGerResult(" https://raw.githubusercontent.com/UMI64/UinfoWork/master/UinfoWork/Resources/values/Strings.xml");
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(RawVersionInfo);
XmlNode rootNode = xmlDoc.SelectSingleNode("manifest");
verison.VersionCode = rootNode.Attributes["android:versionCode"].Value;
verison.VersionName = rootNode.Attributes["android:versionName"].Value;
xmlDoc.LoadXml(RawVersionDiscriptionInfo);
rootNode = xmlDoc.SelectSingleNode("resources");
verison.VersionDiscription = string.Empty;
foreach (XmlNode node in rootNode)
{
if (node.Attributes["name"].Value == "Discription")
{
verison.VersionDiscription = node.InnerText;
}
}
verison.VersionDiscription = verison.VersionDiscription.Replace("\\", string.Empty);
}
catch
{
}
return(verison);
}
public static Verison GetLocalVersion(Context context)
{
Verison version = new Verison();
// 获取packagemanager的实例
PackageManager packageManager = context.PackageManager;
// getPackageName()是你当前类的包名
PackageInfo packInfo = packageManager.GetPackageInfo(context.PackageName, 0);
version.VersionCode = packInfo.VersionCode.ToString();
version.VersionName = packInfo.VersionName;
version.VersionDiscription = context.GetString(Resource.String.Discription);
return(version);
}
public static Verison GetAPKVersion(string absPath, Context context)
{
Verison version = new Verison();
PackageManager pm = context.PackageManager;
PackageInfo pkgInfo = pm.GetPackageArchiveInfo(absPath, PackageInfoFlags.Activities);
if (pkgInfo != null)
{
ApplicationInfo appInfo = pkgInfo.ApplicationInfo;
/* 必须加这两句，不然下面icon获取是default icon而不是应用包的icon */
appInfo.SourceDir = absPath;
appInfo.PublicSourceDir = absPath;
version.VersionCode = pkgInfo.VersionCode.ToString(); // 得到版本信息
version.VersionName = pkgInfo.VersionName;
}
else
{
version.VersionCode = "0";
version.VersionName = "0";
}
version.VersionDiscription = string.Empty;
return(version);
}
protected override string RunInBackground(string[] @params)
{
Timer aTimer = new Timer(1000);
string Url = @params[0];
int[] OutPutDatas = new int[3];
try
{
if (!Directory.Exists(fileSavePath))
{
Directory.CreateDirectory(fileSavePath);
}
if (File.Exists(filePath))
{
Verison LocalVerison = Verison.GetLocalVersion(updataActivity);
Verison APKVerison = Verison.GetAPKVersion(filePath, updataActivity);
if (LocalVerison < APKVerison)//版本小于则安装
{
return(Success);
}
else
{
File.Delete(filePath);
}
//大于等于则删除
//继续下载
}
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(Url);
System.Net.WebResponse response = request.GetResponse();
Stream inputStream = response.GetResponseStream();
length = inputStream.Length;
byte[] buffer = new byte[1024];
Stream outStream = File.Create(filePath);
Stream inStream = response.GetResponseStream();
aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
aTimer.AutoReset = true;
aTimer.Enabled = true;
while (!IsCancel)
{
int ReadLength = 0;
ReadLength = inStream.Read(buffer, 0, buffer.Length);
if (ReadLength > 0)
{
outStream.Write(buffer, 0, ReadLength);
}
else
{
break;
}
count += ReadLength;
int Progress = (int)(((float)count / length) * 100);
// 更新进度条
OutPutDatas[0] = Progress;
OutPutDatas[1] = count;
OutPutDatas[2] = (int)length;
PublishProgress(OutPutDatas);
}
aTimer.Close();
outStream.Close();
inStream.Close();
}
catch (System.Exception e)
{
return(e.Message);
}
if (IsCancel)
{
return(Failure);
}
return(Success);
}
