iphone小小总结iphone开发笔记退回输入键盘-(BOOL)textFieldShouldReturn:(id)textField{[textFieldresignFirstResponder];}CGRectCGRectframe=CGRectMake(origin.x,origin.y,size.width,size.height)；矩形NSStringFromCGRect(someCG...

android音乐播放器的常用操作1.[代码]变量申明01/*变量声明*/02privateImageButtonplayBtn=null;//播放、暂停03privateImageButtonlatestBtn=null;//上一首04privateImageButtonnextButton=null;//下一首05privateImageButtonforwardBtn=null;//快进06...