IOS 学习笔记 2015

//
// WPSignPasswordView.m
// 网投网
//
// Created by wangtouwang on 15/4/9.
// Copyright © 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) {<br/>
    self.stringArrays = [NSMutableArray array];<br/>
}<br/>
return  self.stringArrays;<br/>

} #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) {<br/>
    self.allButtonsArray = [NSMutableArray array];<br/>
}<br/>
return self.allButtonsArray;<br/>

} #pragma mark 复写初始化界面函数 initFrame
-(instancetype)initWithFrame:(CGRect)frame{

self = [super initWithFrame:frame];<br/>
if (self) {<br/>
    [self setup];<br/>
}<br/>
return self;<br/>

} #pragma mark 界面布局
-(void)setup{

//NSLog(@&#34;初始化界面布局执行的&#34;);<br/>
for (int index=; index&lt;=; index++) {<br/>
    //创建按钮<br/>
    UIButton *numberButton = [[UIButton alloc] init];<br/>
    //设置按钮的背景图片,并且设置是在何种状态下<br/>
    [numberButton setBackgroundImage:[UIImage imageNamed:@&#34;gesture_node_normal&#34;] forState:UIControlStateNormal];<br/>
    [numberButton setBackgroundImage:[UIImage imageNamed:@&#34;gesture_node_highlighted&#34;] forState:UIControlStateSelected];<br/>
    //将按钮添加到视图中<br/>
    [self addSubview:numberButton];<br/>
    //将按钮存储到按钮数组中<br/>
    [[self getAllButtonsArray] addObject:numberButton];<br/>
    //禁止按钮点击事件<br/>
    numberButton.userInteractionEnabled=NO;<br/>
    //设置按钮标志值<br/>
    numberButton.tag=index;

}
} #pragma mark 看看何时触发
-(void)layoutSubviews{

//需要先调用父类的方法<br/>
[super layoutSubviews];<br/>
//设置按钮位置<br/>
for (int index=; index&lt;self.allButtonsArray.count; index++) {<br/>
    CGFloat inverst_top = KSCREEN_HEIGHT/;<br/>
    inverst_top=;<br/>
    UIButton *btn =(UIButton *) self.allButtonsArray[index];<br/>
    //NSLog(@&#34;%i&#34;,btn.tag);<br/>
    //获取行号<br/>
    CGFloat row = index/;<br/>
    //获取坐标号<br/>
    CGFloat loc = index%;<br/>
    // 按钮长跟宽<br/>
    CGFloat  btnHeight = ;<br/>
    CGFloat  btnWith=btnHeight;<br/>
    //获取按钮间隔距离<br/>
    CGFloat inverst = (KSCREEN_WIDTH-btnHeight*)/;<br/>
    //X Y 坐标<br/>
    CGFloat btnX = inverst +loc*(btnWith+inverst);<br/>
    CGFloat btnY = inverst + row*(btnHeight+inverst);<br/>
    btn.frame=CGRectMake(btnX, btnY+inverst_top-, btnHeight, btnHeight);<br/>
}<br/>

} #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 =;
  //绘图（线段）
  for (UIButton *btn in self.stringArrays) {
  if (==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 !=) {
  //画直线
  CGContextAddLineToPoint(context, self.currentPoint.x, self.currentPoint.y);
  }
  //渲染
  //设置线条的宽度
  CGContextSetLineWidth(context, );
  //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, /255.0, /255.0, /255.0, );
  //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==) {
  if ([self.spDelegate respondsToSelector:@selector(setFirstPasswordSuccess:)]) {
  [self.spDelegate setFirstPasswordSuccess:result];
  }
  }
  //NSLog(@“%i”,temp_signpaw); if (temp_signpaw!=&&temp_signpaw==[result integerValue]) {
  //正确跳转
  if ([self.spDelegate respondsToSelector:@selector(setPawSuccess:)]) {
  [self.spDelegate setPawSuccess:result];
  }
  }else if(temp_signpaw!=&&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==-) {
  //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==) {
  NSInteger tempUpdate_signpaw = [userDefaults integerForKey:@“tempUpdate_signpaw”];
  if (tempUpdate_signpaw==) {
  if ([self.spDelegate respondsToSelector:@selector(updateSPFirst:)]) {
  [self.spDelegate updateSPFirst:result];
  }
  }
  if(tempUpdate_signpaw!=){
  if ([self.spDelegate respondsToSelector:@selector(updateSPConfirm:)]) {
  [self.spDelegate updateSPConfirm:result];
  }
  }
  }
  if(updateStatus!=){
  //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