欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  移动技术

IOS开发代码分享之获取启动画面图片的string

程序员文章站 2022-06-09 19:44:35
本代码支持 iphone 6 以下. 支持 iphone 及 ipad +(nsstring*)getlaunchimagename {  &nbs...

本代码支持 iphone 6 以下. 支持 iphone 及 ipad

+(nsstring*)getlaunchimagename
{
     
    nsarray* images= @[@"launchimage.png", @"launchimage@2x.png",@"launchimage-700@2x.png",@"launchimage-568h@2x.png",@"launchimage-700-568h@2x.png",@"launchimage-700-portrait@2x~ipad.png",@"launchimage-portrait@2x~ipad.png",@"launchimage-700-portrait~ipad.png",@"launchimage-portrait~ipad.png",@"launchimage-landscape@2x~ipad.png",@"launchimage-700-landscape@2x~ipad.png",@"launchimage-landscape~ipad.png",@"launchimage-700-landscape~ipad.png"];
     
    uiimage *splashimage;
     
    if ([self isdeviceiphone])
    {
        if ([self isdeviceiphone4] && [self isdeviceretina])
        {
            splashimage = [uiimage imagenamed:images[1]];
            if (splashimage.size.width!=0)
                return images[1];
            else
                return images[2];
        }
        else if ([self isdeviceiphone5])
        {
            splashimage = [uiimage imagenamed:images[1]];
            if (splashimage.size.width!=0)
                return images[3];
            else
                return images[4];
        }
        else
            return images[0]; //non-retina iphone
    }
    else if ([[uidevice currentdevice] orientation]==uideviceorientationportrait || [[uidevice currentdevice] orientation] == uideviceorientationportraitupsidedown)//ipad portrait
    {
        if ([self isdeviceretina])
        {
            splashimage = [uiimage imagenamed:images[5]];
            if (splashimage.size.width!=0)
                return images[5];
            else
                return images[6];
        }
        else
        {
            splashimage = [uiimage imagenamed:images[7]];
            if (splashimage.size.width!=0)
                return images[7];
            else
                return images[8];
        }
         
    }
    else
    {
        if ([self isdeviceretina])
        {
            splashimage = [uiimage imagenamed:images[9]];
            if (splashimage.size.width!=0)
                return images[9];
            else
                return images[10];
        }
        else
        {
            splashimage = [uiimage imagenamed:images[11]];
            if (splashimage.size.width!=0)
                return images[11];
            else
                return images[12];
        }
    }
}
 
+(bool)isdeviceiphone
{
    if (ui_user_interface_idiom() == uiuserinterfaceidiomphone)
    {
        return true;
    }
     
    return false;
}
 
+(bool)isdeviceiphone4
{
    if ([[uiscreen mainscreen] bounds].size.height==480)
        return true;
     
    return false;
}
 
 
+(bool)isdeviceretina
{
    if ([[uiscreen mainscreen] respondstoselector:@selector(displaylinkwithtarget:selector:)] &&
        ([uiscreen mainscreen].scale == 2.0))        // retina display
    {
        return true;
    }
    else                                          // non-retina display
    {
        return false;
    }
}
 
 
+(bool)isdeviceiphone5
{
    if (ui_user_interface_idiom() == uiuserinterfaceidiomphone && [[uiscreen mainscreen] bounds].size.height>480)
    {
        return true;
    }
    return false;
}