Abstract: An electronic device which comprises a storage unit to store files and a division information table, an input unit generating input signals in response to user input operations, a display unit displaying information, and a processing unit controlling the electronic device to enter into a reading mode, controlling the display unit to a page of a file, determining whether the page has a portrait layout or a horizontal layout according to the properties of the page, dividing the page into a plurality of blocks according to a division information table, controlling the display unit to display all the blocks thereon, and displaying a selected block of the page with a magnified display size according to an input signal from the user. A page display method is also provided.

Abstract: An electronic reader includes a storage unit, a display unit, and a processing unit. The processing unit displays a page of a file on the display unit, detects touch signals in response to a slide operation on an input unit; determines in real time a slide distance of a slide and a resizing proportion of the page corresponding to the slide distance to resize the page according to the real time resizing proportion; determines the number of the resized pages that can be displayed side by side in a document window of the display unit according to the last determined resizing proportion of the page; and displays the resized pages in the document window. A method for previewing files is also provided.

Abstract: An electronic reading apparatus includes a storage unit storing electronic files and thumbnails corresponding to the electronic files, a display unit displaying thumbnails of a desired electronic file and a desired page associated with one of the thumbnails. In addition, a processing unit configured for: entering a preview mode; searching all titles of the desired electronic file and enlarging the titles and preselected contents while reducing the other contents to generate thumbnails of pages containing the titles of the electronic file. Searching a page associated with a selected thumbnail according to input operation, and displaying the desired page on the display unit. A method for previewing files is also provided.