这是一款基于android平台的模拟谈钢琴的程序，程序中有详细的注释，分别说明在android下，通过26个字母对应四组音调，来实现演奏音乐曲调到功能-This is a simulation based android platform on the piano program, the program notes in detail, were described in the android, through the 26 letters corresponding to the four