https://qooah.com/2012/07/04/m%e6%9c%ab%e6%97%a5-nokia-%e8%ae%8a%e7%af%80-%e6%9c%89%e6%84%8f%e8%bd%89%e6%8a%95-android-%e9%99%a3%e7%87%9f/