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I got this error in Log but it doesn't prevent my app from processing and doesn't do any errors in app but i don't what's it 

01-12 09:54:41.726 14988-15006/com.android.muslimstudios.bookstore W/EGL_emulation: eglSurfaceAttrib not implemented
01-12 09:54:41.731 14988-15006/com.android.muslimstudios.bookstore W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xe0513980, error=EGL_SUCCESS
01-12 09:54:41.908 14988-15006/com.android.muslimstudios.bookstore D/OpenGLRenderer: endAllStagingAnimators on 0xe03c5a00 (RippleDrawable) with handle 0xe0dbe390
01-12 09:54:52.360 14988-14998/com.android.muslimstudios.bookstore W/art: Suspending all threads took: 9.121ms
OneCricketeer
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khaledsamer
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3 Answers3

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None of those are errors. W/ is a warning; D/ is a debug message.

Pretty much any Android app will trigger those specific messages from time to time. Please ignore them.

CommonsWare
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If logcat gives you an error message, it will be E/ tag and red text

Kiel
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These are messages from the Android emulator and can be helpful in some situations. If you would like to filter these out, however, I would suggest (per here) only filtering out the Debug messages, and not the Warning or Error messages as those may be useful.

Prefix:

  • D/ - Debug
  • W/ - Warning
  • E/ - Error

For Android Studio Logcat logs:

  • Use the method recommended here in logcat but modify to ^(?!(D/EGL_emulation)) so that Warnings and Errors will still show.

For VSCode Debug Console logs:

  • Simply use a Filter exclusion string as !D/EGL_emulation.
Greg Fay
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  • How would I add this in Android Studio 2020.3.1? No Logcat, just Console, and no "Edit Configurations" for the console – Jammo May 23 '22 at 09:46