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  • 屏幕适配 和等比缩放

    #import <UIKit/UIKit.h>

    #define WIDTH self.view.frame.size.width

    #define HEIGHT self.view.frame.size.height

    @interface ViewController : UIViewController<UITextFieldDelegate>

    @property(strong,nonatomic)UIImageView *imageV;

    @property(strong,nonatomic)UITextField *txtID;

    @property(strong,nonatomic)UITextField *txtmima;

    @property(strong,nonatomic)UIButton *btnlogin;

    @property(strong,nonatomic)UIButton *btnregister;

    @property(strong,nonatomic)UILabel *label;

    @property(strong,nonatomic)UIButton *btn1;

    //

    //  ViewController.m

    //  屏幕适配

    //

    //  Created by tlh on 16/4/6.

    //  Copyright © 2016年 lamco. All rights reserved.

    //

    #import "ViewController.h"

    #import "UIViewExt.h"

    @interface ViewController ()

    @end

    @implementation ViewController

    - (void)viewDidLoad {

        [super viewDidLoad];

       

        self.imageV=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, WIDTH, HEIGHT)];

        self.imageV.image=[UIImage imageNamed:@"beijing.png"];

        [self.view addSubview:self.imageV];

       

        self.txtID=[[UITextField alloc]initWithFrame:CGRectMake(self.view.left+90, self.view.top + 150, WIDTH/2, HEIGHT/20)];

    //    self.txtID.backgroundColor=[UIColor whiteColor];

    //    self.txtID.borderStyle=0;

    //    self.txtID.placeholder=@"  请输入账号" ;

    //    设置占位符及其字体颜色

        self.txtID.delegate=self;

        UIColor *color1=[UIColor colorWithWhite:1.0 alpha:0.5];

        self.txtID.attributedPlaceholder=[[NSAttributedString alloc]initWithString:@"请输入账号" attributes:@{NSForegroundColorAttributeName:color1}];

        UIImageView *imagev=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"phoneIcon@x.png"]];

        self.txtID.clearButtonMode=YES;

        

        self.txtID.leftView=imagev;

        self.txtID.leftViewMode=UITextFieldViewModeAlways;

        

         self.label=[[UILabel alloc]initWithFrame:CGRectMake(self.view.left+90, self.txtID.bottom, WIDTH/2, 1.0)];

        self.label.backgroundColor=[UIColor whiteColor];

        [self.view addSubview: self.label];

        [self.view addSubview:self.txtID];

        

        

        self.txtmima=[[UITextField alloc]initWithFrame:CGRectMake(self.view.left+90, self.txtID.bottom+20, WIDTH/2, HEIGHT/20)];

    //    self.txtmima.placeholder=@"  请输入密码";

        self.txtmima.delegate=self;

        UIColor *color=[UIColor colorWithWhite:1 alpha:0.5];

        self.txtmima.attributedPlaceholder=[[NSAttributedString alloc]initWithString:@"请输入密码" attributes:@{NSForegroundColorAttributeName:color}];

        self.txtmima.secureTextEntry=YES;

        UIImageView *imagev1=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"passwordIcon@x.png"]];

        self.txtmima.leftView=imagev1;

        self.txtmima.leftViewMode=UITextFieldViewModeAlways;

        UILabel *lbl=[[UILabel alloc]initWithFrame:CGRectMake(self.view.left+90, self.txtmima.bottom, WIDTH/2, 1.0)];

        lbl.backgroundColor=[UIColor whiteColor];

        [self.view addSubview:lbl];

        [self.view addSubview:self.txtmima];

        //    使密码可见

        self.btn1=[UIButton buttonWithType:UIButtonTypeRoundedRect];

        [self.btn1 setBackgroundImage:[UIImage imageNamed:@"btn_password_hidden@3x.png"] forState:UIControlStateNormal];

        [self .btn1 addTarget:self action:@selector(display) forControlEvents:UIControlEventTouchUpInside];

        

        self.btn1.frame=CGRectMake(0, 0, self.txtmima.width/12, self.txtmima.size.height);

        self.txtmima.rightView=self.btn1 ;

        self.txtmima.rightViewMode= UITextFieldViewModeAlways;

    //    [self.txtmima addSubview:self.btn1];

        

    //    登陆按钮

        self.btnlogin=[UIButton buttonWithType:UIButtonTypeRoundedRect];

        self.btnlogin.frame=CGRectMake(self.view.left+90, self.txtmima.bottom+50, WIDTH/2+imagev.size.width, HEIGHT/19);

        [self.btnlogin setBackgroundImage:[UIImage imageNamed:@"loginButton@x.png"] forState:UIControlStateNormal];

        

        [self.btnlogin setTitle:@"登陆" forState:UIControlStateNormal];

        [self.btnlogin setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

        [self.view addSubview:self.btnlogin];

    //     注册按钮

        self.btnregister=[UIButton buttonWithType:UIButtonTypeRoundedRect];

        self.btnregister.frame=CGRectMake(self.view.left+90, self.btnlogin.bottom+20, WIDTH/2+imagev.size.width, HEIGHT/19);

        [self.btnregister setBackgroundImage:[UIImage imageNamed:@"rigisterButton@2x.png"] forState:UIControlStateNormal];

        [self.btnregister setTitle:@"注册" forState:UIControlStateNormal];

        [self.btnregister setTitleColor:[UIColor greenColor] forState:UIControlStateNormal];

        [self.view addSubview:self.btnregister];

        

    //    welcome 图片

        UIImageView *imagev2=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"welcome@2.png"]];

        imagev2.frame=CGRectMake(self.view.left+90, self.view.top+70, WIDTH/2, HEIGHT/19);

        [self.view addSubview:imagev2];

    //   logo图片

        UIImageView *imagev3=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"logo@2x.png"]];

        imagev3.frame=CGRectMake(self.view.left+WIDTH/2-50, self.view.bottom-100, WIDTH/4, HEIGHT/18);

        [self.view addSubview:imagev3];

        

    //    self.btnlogin=[UIButton buttonWithType:UIButtonTypeRoundedRect];

    //    self.btnlogin.frame=CGRectMake(self.view.left+50, self.txtmima.bottom+50, WIDTH/3, HEIGHT/7);

    //    

    }

    //键盘

    -(BOOL)textFieldShouldReturn:(UITextField *)textField

    {

        [self.txtID resignFirstResponder];

        [self.txtmima resignFirstResponder];

        return YES;

    }

    -(void)display

    {

        if (self.txtmima.secureTextEntry==NO) {

            [self.btn1 setBackgroundImage:[UIImage imageNamed:@"btn_password_hidden@3x.png"] forState:UIControlStateNormal];

            self.txtmima.secureTextEntry=YES;

        }

        else

        {

            [self.btn1 setBackgroundImage:[UIImage imageNamed:@"btn_password_show@2x.png" ] forState:UIControlStateNormal];

            self.txtmima.secureTextEntry=NO;

        }

    }

    @property(strong,nonatomic)UITextField *txtName;

    //  ViewController.m

    //  等比缩放

    //

    //  Created by tlh on 16/4/6.

    //  Copyright © 2016年 lamco. All rights reserved.

    //

    #import "ViewController.h"

    #import "AppDelegate.h"

    @interface ViewController ()

    @end

    @implementation ViewController

    - (void)viewDidLoad {

        [super viewDidLoad];

        self.txtName=[[UITextField alloc]initWithFrame:CGRectMake1(50, 100, 200, 55)];

        self.txtName.backgroundColor=[UIColor redColor];

        self.txtName.borderStyle=1;

        [self.view addSubview:self.txtName];

        

    }

    CG_INLINE CGRect

    CGRectMake1(CGFloat x,CGFloat y,CGFloat width,CGFloat height)

    {

        CGRect rect;

        AppDelegate *myDelegate=[[UIApplication sharedApplication] delegate];

        rect.origin.x=x * myDelegate.autoSizeScaleX;

        rect.origin.y=y * myDelegate.autoSizeScaleY;

        rect.size.width=width *myDelegate.autoSizeScaleX;

        rect.size.height=height *myDelegate.autoSizeScaleY;

        

        return rect;

    }

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  • 原文地址:https://www.cnblogs.com/tianlianghong/p/5361279.html
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