【摘要】：隨著移動終端越來越被人們所重視和依賴,移動終端的操作系統(tǒng)也越來越被開發(fā)者重視,我們的社會也逐漸進入了“移動的社會”。而使得移動終端成為可能的便是其大腦,操作系統(tǒng),目前移動終端的操作系統(tǒng)主要有谷歌的Android、蘋果公司的獨立系統(tǒng)iOS、微軟的Windows Mobile以及黑莓公司的Black Berry OS等。本論文的產(chǎn)生也是Android系統(tǒng)快速發(fā)展的大勢所趨的結(jié)果,研究的是基于Android系統(tǒng)應用層的一款APP。論文首先介紹了Android系統(tǒng)的發(fā)展歷程,繼而介紹了Android系統(tǒng)的組成以及四大組件,并綜述了系統(tǒng)開發(fā)常用的布局形式和存儲方法。本論文研究的網(wǎng)絡(luò)收音機是一款在線播放網(wǎng)絡(luò)電臺的收音機,首先可以通過列表選擇電臺或者通過搜索功能搜索喜好電臺,點擊電臺即可進行播放。由于電臺的播放不應受到Activity的限制,所以播放是在Service中完成的,而音頻的播放是通過Vitamio開源庫實現(xiàn)的,通過新建一個MediaPlayer實現(xiàn)音頻的播放;由于應用程序中涉及了大量的電臺信息,所以需要有數(shù)據(jù)庫來處理這些信息,在此選用了Android系統(tǒng)中一款輕量級的數(shù)據(jù)庫處理工具,SQlite數(shù)據(jù)庫,通過它可以方便的完成電臺信息的查詢、選擇、刪除和收藏的處理。論文最后也提出了改進和升級的部分,主要是電臺信息的獲得和播放模式的選擇,為后續(xù)的開發(fā)提供了可行性的方案。
[Abstract]:With the increasing attention and dependence of the mobile terminal, the operating system of the mobile terminal is paid more and more attention by the developers, and our society has gradually entered the "mobile society". What makes mobile terminal possible is its brain and operating system. At present, the main operating system of mobile terminal is Google's Android, Apple's independent system, Microsoft's Windows Mobile, BlackBerry's Black Berry OS, etc. The emergence of this thesis is also the result of the rapid development of Android system. A APP. based on the application layer of Android system is studied. This paper first introduces the development of Android system, then introduces the composition and four components of Android system, and summarizes the layout and storage methods commonly used in system development. The network radio studied in this paper is a radio that plays the network station online. First, it can select the radio station through the list or search the preferred station through the search function, and click the radio station to play. Because the broadcast of the radio station should not be restricted by Activity, so the broadcast is completed in Service, and the audio is played through the Vitamio open source library, and the audio is played by a new MediaPlayer. Because a lot of radio information is involved in the application program, it is necessary to have a database to process the information. In this case, we choose a lightweight database processing tool, SQlite database, in the Android system. It can easily complete the station information query, selection, deletion and collection processing. At the end of the paper, the improvement and upgrade are put forward, mainly the selection of radio information and broadcast mode, which provides a feasible scheme for the subsequent development.
【學位授予單位】：大連理工大學
【學位級別】：碩士
【學位授予年份】：2016
【分類號】：TP311.56;TP316

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