iPhonex 面容ID 开发

// 判断设备是否支持指纹识别

LAContext*lacontext = [[LAContextalloc]init];

BOOLsupport = [lacontextcanEvaluatePolicy:LAPolicyDeviceOwnerAuthentication error:NULL];

if(@available(iOS11.0, *)){

if([lacontextrespondsToSelector:@selector(biometryType)]){

if(lacontext.biometryType==LABiometryTypeFaceID) {

//@"面容ID登录"

}else if(lacontext.biometryType==LABiometryTypeTouchID){

//@"指纹登录";

}else{

//未授权

}}}