Android Studio關於USB device not found的解決的方法

我們使用Android Studio進行Android開發時。當我們使用真機進行調試時。非常可能會出現USB device not found的問題。網上提出了非常多決解辦法。非常多都是錯誤的。現給出正確的解決方法：

1. If yon don’t have Android SDK installed, please install it first.
2. Open Start menu. Select Android SDK Tools -> SDK Manager. Right-click on it and select “Run as Administrator”.

Running SDK Manager as Administrator is very important. If you just click on it, the SDK manager will start, but will encounter errors when you try to install new components!

3. In the SDK Manager select “Extras->Google USB Driver”. Enable the checkbox and click “Install 1 Package”.

4. When the Google USB driver is installed, plug in your device.

Warning: The driver won’t install automatically. We will do it manually in the next steps.

5. Open the System Properties dialog (press Win+Break on the keyboard or locate “Computer” in Start Menu, right-click on it and select “Properties”.

6. Click on the “Device Manager” link.

7. In the Device Manager locate your Android device. Then right-click on it and select “Update Driver Software”.

8. Select “Browse my computer for driver software”.

9. Select “Let me pick from a list of device drivers on my computer”.

10. Select “Show All Devices”.

11. Press the “Have Disk” button.

12. Enter the path to the Google USB driver. Normally it is located in the following directory:

C:\Program Files (x86)\Android\android-sdk\extras\google\usb_driver

13. Select “Android ADB Interface” from the list of device types.

14. Confirm the installation of the driver by pressing “Yes”.

15. Confirm the installation again by pressing “Install”.

16. When the installation is done, press “Close”.