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Errors in App Development (Android, Flutter...)

 Brief

Contains all the errors occurred for me while working with App Development.

  1. Could not initialize class org.codehaus.groovy.runtime.InvokerHelper
  2. HAXM is not installed on this machine

    1. Open SDK Manager and download Intel x86 Emulator Accelerator (HAXM installer) if you haven't.

    2. Now go to your SDK directory (C:\users\username\AppData\Local\Android\sdk, generally). In this directory, go to extras → Intel → Hardware_Accelerated_Execution_Manager and run the file named "intelhaxm-android.exe".

      In case you get an error like "Intel virtualization technology (vt,vt-x) is not enabled", go to your BIOS settings and enable hardware virtualization.

    3. Restart Android Studio and then try to start the AVD again.

    It might take a minute or 2 to show the emulator window.

    Please this answer for images Error in launching AVD with AMD processor


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