This can happen due to various reasons, such as a faulty USB cable or a security setting on your device. If you are facing the ADB error "device unauthorized" in Android Studio, it means that your device is not authorized to connect with your computer. readLine ( ) ) != null ) Method 3: Check the Connected USB Cable getInputStream ( ) ) ) String line while ( (line = reader. waitFor ( ) BufferedReader reader = new BufferedReader ( new InputStreamReader (process. waitFor ( ) // Check the device connection status Process process = Runtime. waitFor ( ) // Start the ADB server Runtime. waitFor ( ) // Switch the device to USB mode Runtime. Here's an example code snippet for restarting the ADB server in Java: Check the confirmation dialog on your device and authorize the connection.Type adb devices again to verify that your device is now listed as a device.Type adb usb to switch the device to USB mode.Make sure your device is listed as unauthorized. Type adb devices to list the devices connected to your computer.Navigate to the platform-tools directory in your Android SDK folder.If the above steps don't work, you can try resetting the ADB key pair on your device: Connect your Android device to your computer and check the confirmation dialog on your device.Type adb start-server to start the ADB server.Type adb kill-server to stop the ADB server.
For example, on Windows, you can type cd C:\Users\YourUserName\AppData\Local\Android\Sdk\platform-tools. To fix the "device unauthorized" error in Android Studio, you can try restarting the ADB server. Please check the confirmation dialog on your device." This error occurs when ADB is unable to connect to an Android device due to an authentication issue.
During the development process, it's common to encounter an error that states "device unauthorized.
ADB (Android Debug Bridge) is a versatile command-line tool that lets you communicate with an emulator instance or connected Android-powered device.
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