adb devices shows no devices

Question

I am on my mac machine and I have connected my Android Phone to mac machine. I have installed android SDK for Mac and also I have set ANDROID_HOME and proper binaries to PATH.

When I say $android devices it does not show any device.

Answer 1

Sometimes ADB loses connection to the device, and needs to be reset. If you have everything else working (ie USB driver installed, Developer settings enabled on the device), and still can't see your device, you need to reset the ADB process.

This is available in the DDMS Perspective (from within Eclipse), Devices tab (the triangle on the far right includes a menu item to perform the reset).

Otherwise from the command line, you can reset it with the following 2 commands:

adb kill-server

then

adb start-server

 

 

Comments

This did not help!

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Can you post your device name? Looks like we need to enable developer mode.

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Samsung Galaxy S6

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First, go to the settings menu. You can also get here by sliding down the notification bar and tapping the same gear-shaped icon near the top right of the display. After you get to the settings go to the “About device” and select on the “build number.”  (Note: Sometimes you have to quickly tap several times on the Build number 6-7 times and it will unlock the developer menu).After a few taps you’ll see the prompt and then tap four more times and you’re done. Then select on the back button and head back into the original base settings menu on the Samsung Galaxy S6. After you get back to the normal settings, you’ll see a brand new option above the “About device.”Developer options is now right above the About device setting, and a tap on that will take users into the previously hidden developer menu, which needs to be switched to on for full functionality.After you have enabled Developer Mode on the Samsung Galaxy S6, you’ll see many settings that are targeted towards the advanced user. The main advantage to unlocking the developer menu is having these settings that aren’t available to the basic users. When you browse the developer options you’ll see some animation scale options all set at 1x. Lowering these to 0.5x will make your phone feel much faster overall.