| Summary: | 碩士 === 中原大學 === 通訊工程碩士學位學程 === 106 === In this thesis, we develop an Android application which can simultaneously display the same text, image, or play music in different smartphones. When a group of people gather together, sometimes they want to share some messages, photos or music, but there is no projection and broadcast equipment. At this time, you can use the proposed application to connect everyone''s mobile phones. The sharer uploads and broadcasts the content he wants to share, and other people''s mobile phones will simultaneously display the file content or play the music, just like a mobile broadcast system. The proposed system uses WebSocket technology as the synchronizing mechanism between mobile devices. The user''s mobile phone will be connected to the pre-built server, and the message transmitted by the sharer will be pushed to the mobile device of each recipient to achieve synchronous display and playback.
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