MOBILE DEVICE AND INPUT METHOD

A mobile device includes a general camera module, a touch display module, a barcode scanning module, a character recognition engine, and a control module. The general camera module is configured to generate an image. The touch display module is configured to display a text input field and an overlapping window with a virtual keyboard of a system default input method and a preview pane. The barcode scanning module is configured to scan one or more first barcodes to obtain one or more first character strings. The character recognition engine is configured to perform a character recognition on the image. The control module is configured to activate one of the barcode scanning module and the character recognition engine and control the touch display module to display one of the one or more first character string and the one or more second character string in the text input field.