Tools and environment setup to support react native app in Macbook systems

Run these commands if not installed **

• Install NodeJS brew install node
• Install Watchman which is a tool by Facebook for watching changes in the filesystem brew install watchman
• Install React Native command line interface npm install -g react-native-cli
• Installing Xcode will also install the iOS Simulator and all the necessary tools to build your iOS app. The easiest way to install Xcode is via the Mac App Store Xcode Command Line Tools: Open Xcode, then choose "Preferences..." from the Xcode menu. Go to the Locations panel and install the tools by selecting the most recent version in the Command Line Tools dropdown. react-native init cd react-native run-ios

Steps to setup adb in MAC for android phone or emulator (auto setup using brew)

• Install adb brew cask install android-platform-tools
• Start using adb adb devices

Manual installation (just the platform tools) This is the easiest way to get a manual installation of ADB and Fastboot.

• Delete your old installation (optional) rm -rf ~/.android-sdk-macosx/ Navigate to https://developer.android.com/studio/releases/platform-tools.html and click on the SDK Platform-Tools for Mac link. Go to your Downloads folder cd ~/Downloads/ Unzip the tools you downloaded unzip platform-tools-latest*.zip Move them somewhere you won't accidentally delete them mkdir ~/.android-sdk-macosx mv platform-tools/ /.android-sdk-macosx/platform-tools Add platform-tools to your path echo 'export PATH=$PATH:/.android-sdk-macosx/platform-tools/' >> ~/.bash_profile Refresh your bash profile (or restart your terminal app) source ~/.bash_profile Start using adb adb devices Option 3 - Manually (with SDK Manager)

• Delete your old installation (optional) rm -rf ~/.android-sdk-macosx/ Download the Mac SDK Tools from the Android developer site under "Get just the command line tools". Make sure you save them to your Downloads folder. Go to your Downloads folder cd ~/Downloads/ Unzip the tools you downloaded unzip tools_r*-macosx.zip Move them somewhere you won't accidentally delete them mkdir ~/.android-sdk-macosx mv tools/ ~/.android-sdk-macosx/tools Run the SDK Manager sh ~/.android-sdk-macosx/tools/android Uncheck everything but Android SDK Platform-tools (optional) enter image description here

• Click Install Packages, accept licenses, click Install. Close the SDK Manager window. enter image description here

• Add platform-tools to your path echo 'export PATH=$PATH:~/.android-sdk-macosx/platform-tools/' >> ~/.bash_profile Refresh your bash profile (or restart your terminal app) source ~/.bash_profile Start using adb adb devices