Command not found: ADB appears on Mac

Method one:

    open the MAC terminal, enter CD ~ enter touch.bash_profile [if you don’t have .bash_profile , create this file] enter open.bash_profile [open the file we created, a text edit box should pop up, if this is the first time to configure the environment, Write the following code in the open text editor:
• export ANDROID_HOME=/usr/local/opt/android-sdk
• export PATH=${PATH}:${ANDROID_HOME}/tools
• export PATH=${PATH}:${ANDROID_HOME}/platform-tools
    note that in [4] ANDROID_HOME should be filled in according to its own SDK path, the rest can be copied directly. As for the SDK path, you can open Android Studio and view in the Preference [Android SDK] and enter source.bash_profile in the terminal and enter adb [verify that the configuration is complete and if not show adb: command not found that the configuration is complete]

Method 2:

    make sure whether to install the adb, /Library/Android/SDK/platform - the tools/adb if there is, if there is a skip the following steps, directly to the last step 5; Open [Android Studio]; Open the SDK Manager check 】 【 SDK Platform - the Tools), run the following command on the Mac
    echo export "PATH = ~/Library/Android/SDK/Platform - the Tools: $PATH" & gt; > ~/. Bash_profile
    6. Restart the terminal

after completing the above steps
Note: if ZSH is used, replace .bash_profile with .zshenv
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