IOS 学习笔记 2015-04-15 手势密码(原)

//

//  WPSignPasswordView.h

//  网投网

//

//  Created by wangtouwang on 15/4/9.

//  Copyright (c) 2015年 wangtouwang. All rights reserved.

//



#import <UIKit/UIKit.h>



@class  WPSignPasswordView;

@protocol WPSignPasswordDelegate <NSObject>



//设置密码 确认成功

@required

-(void)setPawSuccess:(NSString *)password;

//设置第一次临时密码成功

@required

-(void)setFirstPasswordSuccess:(NSString *)password;

//第二次输入确认密码错误

-(void)setTwoPasswordError;

//修改手势密码 请输入之前的密码

-(void)setSuccessAfterFirstPS:(NSString *)password;

//进入程序后输入手势密码判断是否正确

-(void)confirmPassword:(NSString *)password;

//手势密码进入修改状态(即原密码输入成功) 首次输入

-(void)updateSPFirst:(NSString *)password;

//手势密码进入修改状态(即原密码输入成功) 二次输入,相当于输入密码确认

-(void)updateSPConfirm:(NSString *)password;



@end



#pragma mark 手势密码View

@interface WPSignPasswordView : UIView





//设置代理

@property(nonatomic,strong) id<WPSignPasswordDelegate> spDelegate;



@end

//

//  WPSignPasswordView.m

//  网投网

//

//  Created by wangtouwang on 15/4/9.

//  Copyright (c) 2015年 wangtouwang. All rights reserved.

//



#import "WPSignPasswordView.h"





//屏幕的长宽

#define KSCREEN_WIDTH [UIScreen mainScreen].bounds.size.width

#define KSCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height







@interface WPSignPasswordView()

{

    

}



@property(nonatomic,strong) NSMutableArray *stringArrays;

@property(nonatomic,strong) NSMutableArray *allButtonsArray;

//定义一个属性，记录当前点

@property(nonatomic,assign)CGPoint currentPoint;



@end



@implementation WPSignPasswordView





#pragma mark 实例化收集字符串的数组 并且用懒加载

-(NSMutableArray *)getStringArrays{

    if (self.stringArrays==nil) {

        self.stringArrays = [NSMutableArray array];

    }

    return  self.stringArrays;

}



#pragma mark 实例化包含所有密码按钮的数组 并且用懒加载

-(NSMutableArray *)getAllButtonsArray{

    if (self.allButtonsArray==nil) {

        self.allButtonsArray = [NSMutableArray array];

    }

    return self.allButtonsArray;

}



#pragma mark 复写初始化界面函数 initFrame

-(instancetype)initWithFrame:(CGRect)frame{

    self = [super initWithFrame:frame];

    if (self) {

        [self setup];

    }

    return self;

}



#pragma mark 界面布局

-(void)setup{

    //NSLog(@"初始化界面布局执行的");

    for (int index=1; index<=9; index++) {

        //创建按钮

        UIButton *numberButton = [[UIButton alloc] init];

        //设置按钮的背景图片,并且设置是在何种状态下

        [numberButton setBackgroundImage:[UIImage imageNamed:@"gesture_node_normal"] forState:UIControlStateNormal];

        [numberButton setBackgroundImage:[UIImage imageNamed:@"gesture_node_highlighted"] forState:UIControlStateSelected];

        //将按钮添加到视图中

        [self addSubview:numberButton];

        //将按钮存储到按钮数组中

        [[self getAllButtonsArray] addObject:numberButton];

        //禁止按钮点击事件

        numberButton.userInteractionEnabled=NO;

        //设置按钮标志值

        numberButton.tag=index;

        

    }

}



#pragma mark 看看何时触发

-(void)layoutSubviews{

    //需要先调用父类的方法

    [super layoutSubviews];

    //设置按钮位置

    for (int index=0; index<self.allButtonsArray.count; index++) {

        CGFloat inverst_top = KSCREEN_HEIGHT/4;

        inverst_top=0;

        UIButton *btn =(UIButton *) self.allButtonsArray[index];

        //NSLog(@"%i",btn.tag);

        //获取行号

        CGFloat row = index/3;

        //获取坐标号

        CGFloat loc = index%3;

        // 按钮长跟宽

        CGFloat  btnHeight = 75;

        CGFloat  btnWith=btnHeight;

        //获取按钮间隔距离

        CGFloat inverst = (KSCREEN_WIDTH-btnHeight*3)/4;

        //X Y 坐标

        CGFloat btnX = inverst +loc*(btnWith+inverst);

        CGFloat btnY = inverst + row*(btnHeight+inverst);

        btn.frame=CGRectMake(btnX, btnY+inverst_top-15, btnHeight, btnHeight);

    }

}





#pragma mark 复写画布布局

- (void)drawRect:(CGRect)rect {

    //NSLog(@"再次触发吗");

    //获取上下文

    CGContextRef context = UIGraphicsGetCurrentContext();

#pragma mark 填充画布颜色

    //填充上下文颜色

    CGContextSetFillColorWithColor(context, [[UIColor grayColor] CGColor]);

    //补充当前填充颜色的rect

    CGContextFillRect(context, rect);

#pragma mark -实现画线功能

    int i =0;

    //绘图（线段）

    for (UIButton *btn in self.stringArrays) {

        if (0==i) {

            //设置起点（注意连接的是中点）

            CGContextMoveToPoint(context, btn.center.x, btn.center.y);

        }else{

            CGContextAddLineToPoint(context, btn.center.x, btn.center.y);

        }

        i++;

    }

    //当所有按钮的中点都连接好之后，再连接手指当前的位置

    //判断数组中是否有按钮，只有有按钮的时候才绘制

    if (self.stringArrays.count !=0) {

        //画直线

        CGContextAddLineToPoint(context, self.currentPoint.x, self.currentPoint.y);

    }

    //渲染

    //设置线条的宽度

    CGContextSetLineWidth(context, 10);

    //设置图像上下文中的接接线的样式。

    CGContextSetLineJoin(context, kCGLineJoinRound);

    //设置线条终点形状

    CGContextSetLineCap(context, kCGLineCapRound);

    //画笔颜色设置

    CGContextSetRGBStrokeColor(context, 255/255.0, 100/255.0, 0/255.0, 1);

    //开始绘制图片

    CGContextStrokePath(context);

}



#pragma mark 复写 UIResponder--API 监听手指移动开始

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{

    UITouch *uitouch = [touches anyObject];

    CGPoint point =  [uitouch locationInView:uitouch.view];

    UIButton *targetBtn = nil;

    for (UIButton *btn in self.allButtonsArray ) {

        if (CGRectContainsPoint(btn.frame, point)) {

            targetBtn = btn;

            break;

        }

    }

    if (targetBtn&&targetBtn.selected!=YES) {

        targetBtn.selected=YES;

        [[self getStringArrays] addObject:targetBtn];

    }

}



#pragma mark 复写 UIResponder--API 监听手指移动

-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event{

    UITouch *uitouch = [touches anyObject];

    CGPoint movepoint =  [uitouch locationInView:uitouch.view];

    UIButton *targetBtn = nil;

    for (UIButton *btn in self.allButtonsArray ) {

        if (CGRectContainsPoint(btn.frame, movepoint)) {

            targetBtn = btn;

            break;

        }

    }

    if (targetBtn && targetBtn.selected != YES) {

        //设置按钮的选中状态

        targetBtn.selected=YES;

        //把按钮添加到数组中

        [[self getStringArrays] addObject:targetBtn];

    }

    //记录当前点（不在按钮的范围内）

    self.currentPoint=movepoint;

    //通知view重新绘制

    [self setNeedsDisplay];

}



#pragma mark 复写 UIResponder--API 监听手指离开屏幕

-(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{

    //取出用户输入的密码 创建一个可变的字符串，用来保存用户密码 取出用户输入的密码

    NSMutableString *result=[NSMutableString string];

    for (UIButton *btn in self.stringArrays) {

        [result appendFormat:@"%lu",btn.tag];

    }

    //NSLog(@"用户输入的密码为：%@",result);`

    //清空连线记录

    [self.stringArrays makeObjectsPerformSelector:@selector(setSelected:) withObject:@(NO)];

    //清空数组

    [self.stringArrays removeAllObjects];

    [self setNeedsDisplay];

    //清空当前点

    self.currentPoint=CGPointZero;

    

    //获取NSUserDefaults对象,判断该对象中是否已存在手势密码

    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

    BOOL flag = [userDefaults boolForKey:@"flag"];

    NSInteger temp_signpaw = [userDefaults integerForKey:@"temp_signpaw"];

    if (!flag) {

#pragma mark -还未设置密码

        //记录临时密码

        if (temp_signpaw==0) {

            if ([self.spDelegate respondsToSelector:@selector(setFirstPasswordSuccess:)]) {

                [self.spDelegate setFirstPasswordSuccess:result];

            }

        }

        //NSLog(@"%i",temp_signpaw);

        

        if (temp_signpaw!=0&&temp_signpaw==[result integerValue]) {

            //正确跳转

            if ([self.spDelegate respondsToSelector:@selector(setPawSuccess:)]) {

                [self.spDelegate setPawSuccess:result];

            }

        }else if(temp_signpaw!=0&&temp_signpaw!=[result integerValue]){

            //错误处理

            if([self.spDelegate respondsToSelector:@selector(setTwoPasswordError)]){

                [self.spDelegate setTwoPasswordError];

            }

        }

    }else{

#pragma mark -已设置密码了

        NSInteger status = [userDefaults integerForKey:@"status"];

        if (status==-1) {

            //调试状态

            NSLog(@"调试状态");

        }else{

            //正常状态

            //判断是从那个窗口跳转过来的

            NSString *page = [userDefaults objectForKey:@"turnPage"];

            if ([page isEqualToString:@"mainPage"]) {

                if ([self.spDelegate respondsToSelector:@selector(confirmPassword:)]) {

                    [self.spDelegate confirmPassword:result];

                }

            }else{

                NSInteger updateStatus = [userDefaults integerForKey:@"updateStatus"];

                if (updateStatus==1) {

                   NSInteger tempUpdate_signpaw = [userDefaults integerForKey:@"tempUpdate_signpaw"];

                    if (tempUpdate_signpaw==0) {

                        if ([self.spDelegate respondsToSelector:@selector(updateSPFirst:)]) {

                            [self.spDelegate updateSPFirst:result];

                        }

                    }

                    if(tempUpdate_signpaw!=0){

                        if ([self.spDelegate respondsToSelector:@selector(updateSPConfirm:)]) {

                            [self.spDelegate updateSPConfirm:result];

                        }

                    }

                }

                if(updateStatus!=1){

                    //判断是否为已成功输入手势密码

                    if ([self.spDelegate respondsToSelector:@selector(setSuccessAfterFirstPS:)]) {

                        [self.spDelegate setSuccessAfterFirstPS:result];

                    }

                }

            }

        }

    }

}



@end