<How can I focus on an input in Android without th...

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How can I focus on an input in Android without the keyboard appearing?
I have a device running the Android operating system, and at the bottom of my device, there is a QR scanner. The device will be installed in a restaurant's kitchen. Its purpose is to display orders placed by the waiters and print a receipt when the order is started. Once the receipt is printed, I need to capture the QR data when the QR code on the receipt is scanned. I created an input for this and set its opacity to 0. As soon as the page opens, I set focus on the input, but when I do this,...