async void OnUpdateButtonClicked(object sender, EventArgs args)
{
// path to the APK to be installed. This could be something downloaded, or it could a file on the SD card.
const string localPath = "/storage/emulated/0/Download/test/HelloWorld_v1.0_apkpure.com.apk";
// the following code was largely inspired from
// here: https://github.com/nagamanojv/android-kiosk-example/blob/master/KioskExample/app/src/main/java/com/sureshjoshi/android/kioskexample/MainActivity.java.
// here: https://forums.xamarin.com/discussion/73589/does-anyone-try-to-install-package-with-packageinstaller-i-get-files-still-open-exception
// here: https://forums.xamarin.com/discussion/170925/xamarin-android-10-how-to-install-3rd-party-apk
//instantiate a package installer and its parameters.
PackageInstaller installer = Android.App.Application.Context.PackageManager.PackageInstaller;
PackageInstaller.SessionParams sessionParams = new PackageInstaller.SessionParams(PackageInstallMode.FullInstall);
int sessionId = installer.CreateSession(sessionParams);
PackageInstaller.Session session = installer.OpenSession(sessionId);
using (var input = new FileStream(localPath, FileMode.Open, FileAccess.Read))
{
using (var packageInSession = session.OpenWrite("package", 0, -1))
{
input.CopyTo(packageInSession);
}
}
//That this is necessary could be a Xamarin bug.
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
PendingIntent pendingIntent = PendingIntent.GetBroadcast(Android.App.Application.Context, sessionId, new Intent("ANY_UNIQUE_NAME_WILL_DO"), 0);
session.Commit(pendingIntent.IntentSender);
return;
}
