iOS 键盘框架IQKeyboardManager使用

AppDelegate.m文件中 #import <IQKeyboardManager.h> - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    IQKeyboardManager *manager = [IQKeyboardManagersharedManager];//    控制整个功能是否启用。    manager.enable = YES;    manager.overrideKeyboardAppearance = YES;    //控制点击背景是否收起键盘    manager.shouldResignOnTouchOutside = YES;//    //控制键盘上的工具条文字颜色是否用户自定义。  注意这个颜色是指textfile的tintcolor//    manager.shouldToolbarUsesTextFieldTintColor = YES;//    //中间位置是否显示占位文字(默认是YES)//    manager.shouldShowTextFieldPlaceholder = YES;//    //设置占位文字的字体大小    manager.placeholderFont = [UIFontboldSystemFontOfSize:18];    //控制是否显示键盘上的工具条。    manager.enableAutoToolbar = YES;    //某个类中禁止使用工具条//    [[IQKeyboardManager sharedManager]disableToolbarInViewControllerClass:[UIViewController class]];    returnYES;}