Intro
I tried to receive the app's end event on mobile.
However, it did not succeed.
So I have considered a compromise. I'll write it down.
Environments
name | version |
---|---|
Unity | 2019.4.23f1 |
Problem
Unity has a solution to receive the app's end event.
It is OnApplicationQuit.
But it doesn't work on mobile.
OnApplicationQuit
will only be called in situations that you explicitly call Application.Quit.
You can use OnApplicationFocus,but It is also called when working in the background.
Solution
I have come up with one solution.
First, I tried to figure out why I would want to receive the app's end event.
In my case, I wanted to delete the cache of streaming files.
Therefore, I changed the implementation to delete a files when I start an app.
//Call on start an app.
void Start()
{
try
{
if (Directory.Exists(Path))
{
Directory.Delete(Path, true);
}
Debug.Log("Cache delete");
}
catch
{
Debug.LogError("Error deleting files.");
}
}
It is my compromise solution.
If you want to send game scores and statuses at the end of the app, you may want to save the data when the user takes some action and send it at startup.
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