Version_Android.cs 5.5 KB

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  1. using System;
  2. using System.Net.Http;
  3. using System.Text.RegularExpressions;
  4. using System.Threading.Tasks;
  5. using Android.App;
  6. using Android.Content;
  7. using Android.Runtime;
  8. using Java.Net;
  9. using Xamarin.Android.Net;
  10. using Net = Android.Net;
  11. [assembly: Xamarin.Forms.Dependency(typeof(InABox.Mobile.Android.Version_Android))]
  12. namespace InABox.Mobile.Android
  13. {
  14. /// <summary>
  15. /// <see cref="ILatestVersion"/> implementation for Android.
  16. /// </summary>
  17. [Preserve(AllMembers = true)]
  18. public class Version_Android : IAppVersion
  19. {
  20. string _packageName = "";
  21. string _versionName = "";
  22. public Version_Android() : base()
  23. {
  24. try
  25. {
  26. _packageName = Application.Context.PackageName;
  27. _versionName = Application.Context.PackageManager.GetPackageInfo(Application.Context.PackageName, 0).VersionName;
  28. }
  29. catch
  30. {
  31. }
  32. }
  33. /// <inheritdoc />
  34. public string InstalledVersionNumber
  35. {
  36. get => _versionName;
  37. }
  38. /// <inheritdoc />
  39. public async Task<bool> IsUsingLatestVersion()
  40. {
  41. var latestVersion = string.Empty;
  42. try
  43. {
  44. latestVersion = await GetLatestVersionNumber();
  45. return Version.Parse(latestVersion).CompareTo(Version.Parse(_versionName)) <= 0;
  46. }
  47. catch (Exception e)
  48. {
  49. throw new LatestVersionException($"Error comparing current app version number with latest. Version name={_versionName} and lastest version={latestVersion} .", e);
  50. }
  51. }
  52. /// <inheritdoc />
  53. public async Task<string> GetLatestVersionNumber()
  54. {
  55. return await GetLatestVersionNumber(_packageName);
  56. }
  57. /// <inheritdoc />
  58. public async Task<string> GetLatestVersionNumber(string appName)
  59. {
  60. if (string.IsNullOrWhiteSpace(appName))
  61. {
  62. throw new ArgumentNullException(nameof(appName));
  63. }
  64. var version = string.Empty;
  65. var url = $"https://play.google.com/store/apps/details?id={appName}&hl=en";
  66. try
  67. {
  68. using (var request = new HttpRequestMessage(HttpMethod.Get, url))
  69. {
  70. using (var handler = new HttpClientHandler())
  71. {
  72. handler.ServerCertificateCustomValidationCallback = (sender, cert, chain, sslPolicyErrors) =>
  73. {
  74. //bypass
  75. return true;
  76. };
  77. using (var client = new HttpClient(handler))
  78. {
  79. try
  80. {
  81. using (var responseMsg = await client.SendAsync(request, HttpCompletionOption.ResponseContentRead))
  82. {
  83. if (!responseMsg.IsSuccessStatusCode)
  84. {
  85. throw new LatestVersionException($"Error connecting to the Play Store. Url={url}.");
  86. }
  87. try
  88. {
  89. var content = responseMsg.Content == null ? null : await responseMsg.Content.ReadAsStringAsync();
  90. var versionMatch = Regex.Match(content, "\\[\\[\\[\"(\\d+\\.\\d+\\.\\d+)").Groups[1];
  91. if (versionMatch.Success)
  92. {
  93. version = versionMatch.Value.Trim();
  94. }
  95. }
  96. catch (Exception e)
  97. {
  98. throw new LatestVersionException($"Error parsing content from the Play Store. Url={url}.", e);
  99. }
  100. }
  101. }
  102. catch (Exception ex1)
  103. {
  104. }
  105. }
  106. }
  107. }
  108. }
  109. catch (Exception ex)
  110. {
  111. }
  112. return version;
  113. }
  114. /// <inheritdoc />
  115. public Task OpenAppInStore()
  116. {
  117. return OpenAppInStore(_packageName);
  118. }
  119. /// <inheritdoc />
  120. public Task OpenAppInStore(string appName)
  121. {
  122. if (string.IsNullOrWhiteSpace(appName))
  123. {
  124. throw new ArgumentNullException(nameof(appName));
  125. }
  126. try
  127. {
  128. var intent = new Intent(Intent.ActionView, Net.Uri.Parse($"market://details?id={appName}"));
  129. intent.SetPackage("com.android.vending");
  130. intent.SetFlags(ActivityFlags.NewTask);
  131. Application.Context.StartActivity(intent);
  132. }
  133. catch (ActivityNotFoundException)
  134. {
  135. var intent = new Intent(Intent.ActionView, Net.Uri.Parse($"https://play.google.com/store/apps/details?id={appName}"));
  136. Application.Context.StartActivity(intent);
  137. }
  138. return Task.FromResult(true);
  139. }
  140. }
  141. }