[android] Device not detected in Eclipse when connected with USB cable

Do following steps to detect your device in eclipse : -

On Mobile Side:- For Connect USB sync, your Android device needs to have USB Debugging enabled.

To enable Android USB Debugging Mode do following steps :-

Android 2.x - 3.x devices:

Go to Settings > Application > Development > USB Debugging.

Android 4.x devices:

Go to Settings > Developer Options > USB Debugging.

For devices running Android 4.2.2 or later, you may need to unlock Developer Options before it is available within the Menu:

  1. Go to Android home screen.
  2. Pull down the notification bar.
  3. Tap "Settings"
  4. Tap "About Device"
  5. Tap on the "Build Number" button about 7 times.
  6. Developer Mode should now be unlocked and available in Settings > More > Developer Options or in Settings > Developer Options

On PC side

  1. Connect your device to the PC with USB cable.
  2. Download Google USB Driver
  3. Extract/Unzip “latest_usb_driver_windows.zip” file on your computer (using 7-zip free software, preferably)
  4. Open device manager on your PC
    • Windows 7 & 8 users ? search for Device Manager from Start (or Start screen) and click to open.
    • Windows XP users ? Google it
  5. You will see list of all devices attached to your computer in the device manager. Just find your device (it’ll most probably be in the Other devices list with a yellow exclamation mark by the name of ADB devices), then Right-click on it and select Update Driver Software.
  6. Select “Browse my computer for driver software” in the next window
  7. Now click the “Browse…” button and select the “usb_driver” folder that we extracted in Step 3 from “latest_usb_driver_windows.zip” file.
  8. Do NOT select the zip file, select the folder where the contents of the zip file are extracted. And keep the Include subfolders box checked
  9. During the installation (as a security check) Windows may ask your permission to install the drivers, click “Install”
  10. Once the installation is complete you’ll see a refreshed list of devices on the Device manager screen showing your phone’s driver installed successfully.

Now in eclipse do following steps to install your app in your device:-

  1. Go to Run > Run Configurations > Target tab.
  2. Check option "Always prompt to pick device". And then running the application from Eclipse,the prompt window finally showed your device.