MOBILE DEVICE AND INPUT METHOD

A mobile device includes a general camera module (12), a touch display module (15), a barcode scanning module (11), a character recognition engine (13), and a control module (14). The general camera module (12) is configured to generate an image (P). The touch display module (15) is configured to display a text input field (CIF) and an overlapping window (OW) with a virtual keyboard (VK) of a system default input method and a preview pane (PW). The barcode scanning module (11) is configured to scan one or more first barcodes to obtain one or more first character strings (S1). The character recognition engine (13) is configured to perform a character recognition on the image (P). The control module (14) is configured to activate one of the barcode scanning module (11) and the character recognition engine (13) and control the touch display module (15) to display one of the one or more first character string (S1) and the one or more second character string (S2) in the text input field (CIF).