| Summary: | 碩士 === 明新科技大學 === 電機工程研究所 === 102 === With the growing popularity of handheld devices in recent years, handheld devices of varying sizes are being introduced to the market. Today, not only is the Smartphone market being viewed by various major manufacturers as a potentially fruitful market, this continuing trend in mobile devices has also led to the development of more and more apps. In the past when various media files were shared among friends, there would inevitably be limitations due to the size of the mobile devices involved. For instance, when a recently taken photo was shared, it would have been difficult to share it to 3 or more people due to the size of the screen. To overcome this limitation, the contents to be shared will usually be passed around, but this will in turn lead to risks of losing or damaging the device. Even now, when the hardware specifications of mobile devices are increasingly advanced with ever-more efficient displays, CPUs, and memory capabilities, limitations remain, as it can still be very inconvenient for someone to carry an oversized device with them. Therefore, the present study utilized Wi-Fi Direct as the connecting medium for mobile devices and NFC technology for reading and retrieving data to achieve the aim of developing an app interface so that multiple displays can be connected together to form a large display. Multimedia such as images can then be moved between devices via a dragging motion while at the same time, they are also sent and saved directly to the connected devices. Alternatively, the interface can be used for sharing media files to multiple persons via enlarging and shrinking of the contents to be shared across multiple devices.
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