Why Logcat Is Full Of Errors?

I try to make an android app clear of any mistakes and errors. I definitely sure, these are not my mistakes. Of course, there might be different system info messages. But I set the

Solution 1:

You can set up a LogCat Filter to only show messages from your own app. Here's a simple example that limits by my app package and by log level:

As you can see in the example, though the total number of LogCat messages is 4908, only one of them is from my application.