Hey @Giusort , I can offer you a way to do it in Android but you will still need to find a way to do it in iOS. You can wrap it up in [Platform Dependent Compilation][1] like #if UNITY_ANDROID and use that way.
Try this:
public void LaunchApp(string package, string storeLink = null)
{
bool fail = false;
string bundleId = package; // your target bundle id
AndroidJavaClass up = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject ca = up.GetStatic("currentActivity");
AndroidJavaObject packageManager = ca.Call("getPackageManager");
AndroidJavaObject launchIntent = null;
try
{
launchIntent = packageManager.Call("getLaunchIntentForPackage", bundleId);
}
catch (System.Exception e)
{
fail = true;
}
if (fail && storeLink != null)
{ //open app in store
Application.OpenURL(storeLink);
}
else //open the app
ca.Call("startActivity", launchIntent);
up.Dispose();
ca.Dispose();
packageManager.Dispose();
launchIntent.Dispose();
}
package is bundleIdentifier of app, such as "com.facebook.katana" and optional parameter is the store link of the app in case the app is not found in device, you can leave it as null and it will only try to open the app if it exists.
[1]: https://docs.unity3d.com/Manual/PlatformDependentCompilation.html
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