React Native with MEmu Emulator

The Android Virtual Devices that are installed through Android Studio are slower than a physical device.

MEmu is a high performance, fully compatible Android emulator that allows multiple instances.
It truly brings the Android experience to Microsoft Windows devices.

The following is a guide to setup a Reactive Native project with the MEmu emulator.

MEmu Requirements

  • Windows Vista/Windows 7 SP1/Windows 8.1/Windows 10
  • Intel or AMD CPU (with Virtualization Technology support preferred)
  • GPU with OpenGL 2.0+ support
  • At least 1 GB free system memory
  • At least 2 GB of free disk space under installation path


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Open Windows Folder Containing File from Eclipse

There are a number of times where the developer requires to look at the folder where project resources are stored.

There are two ways though that a folder can be opened directly from Eclipse thus eliminating the need to navigate the project packages manually.

Firstly, StartExplorer Eclipse plug-in is an easy way to implement this.

Secondly, if there is an issue with installation, then there is a manual method to open explorer via Eclipse.

  1. In Eclipse, from the menu select Run > External Tools > External Tools Configuration....

  2. Double-click on the Program item in the left-pane to create a New Configuration.

  3. In

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Windows Command - setx

Setx creates or modifies environment variables in the user or system environment, without requiring programming or scripting.

The Setx command also retrieves the values of registry keys and writes them to text files.

Setting Environment Variables

Set environment variables permanently, Setx can be used to set Environment Variables for the machine (HKLM) or currently logged on user (HKCU).

> setx <variable> <value> [/m]
  • <variable> - Identifies the variable to be set, e.g. JAVA_HOME, PATH etc.
  • <value> - The variable value, e.g. TEMP C:\Windows\Temp
  • /m - (Optional) Used to indicate
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