{"title":"android应用程序使用NDK加速的方法","authors":"Ki-Cheol Son, Jong-Yeol Lee","doi":"10.1109/ICAWST.2011.6163104","DOIUrl":null,"url":null,"abstract":"The Android platform is one of the most popular used embedded OS, is mounted on robot, TVs, especially on Smart phones. Because general android applications are developed by the JAVA language, it is very slow in case which requires many calculational operations such as image processing. To overcome these defects, the Android OS is supporting JNI with the Android NDK, which makes available to use the C libraries in the android at application level. Through NDK, the Android applications can approach hardware and is able to developed high speed application. In this paper, we consider that how to enhance performance of the JAVA applications by using the Android NDK. We compared original NyARToolKit, which is augmented reality engine, with the improved NyARToolKit using the NDK. Through this experiment, we confirmed that android application programmers can make their application efficiently by using the NDK. We could increase speed of NyARToolKit by 1.869 times in our experiment. This paper presents a guideline for an effective way to use native code libraries in Android applications.","PeriodicalId":126169,"journal":{"name":"2011 3rd International Conference on Awareness Science and Technology (iCAST)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"42","resultStr":"{\"title\":\"The method of android application speed up by using NDK\",\"authors\":\"Ki-Cheol Son, Jong-Yeol Lee\",\"doi\":\"10.1109/ICAWST.2011.6163104\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The Android platform is one of the most popular used embedded OS, is mounted on robot, TVs, especially on Smart phones. Because general android applications are developed by the JAVA language, it is very slow in case which requires many calculational operations such as image processing. To overcome these defects, the Android OS is supporting JNI with the Android NDK, which makes available to use the C libraries in the android at application level. Through NDK, the Android applications can approach hardware and is able to developed high speed application. In this paper, we consider that how to enhance performance of the JAVA applications by using the Android NDK. We compared original NyARToolKit, which is augmented reality engine, with the improved NyARToolKit using the NDK. Through this experiment, we confirmed that android application programmers can make their application efficiently by using the NDK. We could increase speed of NyARToolKit by 1.869 times in our experiment. This paper presents a guideline for an effective way to use native code libraries in Android applications.\",\"PeriodicalId\":126169,\"journal\":{\"name\":\"2011 3rd International Conference on Awareness Science and Technology (iCAST)\",\"volume\":\"110 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"42\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 3rd International Conference on Awareness Science and Technology (iCAST)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICAWST.2011.6163104\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 3rd International Conference on Awareness Science and Technology (iCAST)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICAWST.2011.6163104","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The method of android application speed up by using NDK
The Android platform is one of the most popular used embedded OS, is mounted on robot, TVs, especially on Smart phones. Because general android applications are developed by the JAVA language, it is very slow in case which requires many calculational operations such as image processing. To overcome these defects, the Android OS is supporting JNI with the Android NDK, which makes available to use the C libraries in the android at application level. Through NDK, the Android applications can approach hardware and is able to developed high speed application. In this paper, we consider that how to enhance performance of the JAVA applications by using the Android NDK. We compared original NyARToolKit, which is augmented reality engine, with the improved NyARToolKit using the NDK. Through this experiment, we confirmed that android application programmers can make their application efficiently by using the NDK. We could increase speed of NyARToolKit by 1.869 times in our experiment. This paper presents a guideline for an effective way to use native code libraries in Android applications.
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