UI UIView进度条，模拟手机充电功能

#import "JRProgres.h"

@implementation JRProgres
{

UIView * _contentView;
}
- (instancetype)initWithFrame:(CGRect)frame{// 重写构造方法一次创建3个视图，分别为最外层的绿框、子1白底、子2红条

self = [super
initWithFrame:frame];

if (self) {

//1.
设置边框为绿色

self.backgroundColor = [UIColor
greenColor];

UIView * bgview = [[UIView
alloc]initWithFrame:CGRectMake(2,
2, frame.size.width-4, frame.size.height-4)];
bgview.backgroundColor = [UIColor
whiteColor];
[self
addSubview:bgview];

// 2.设置内容条(边框子视图)

self.backgroundColor = [UIColor
greenColor];

_contentView = [[UIView
alloc]initWithFrame:CGRectMake(0,
2, 0, bgview.frame.size.height-4)];

_contentView.backgroundColor = [UIColor
redColor];
[bgview
addSubview:_contentView];

}

return
self;
}

- (void)setProgress:(int)flag{

// 1. get当前的frame

CGRect newFrame =
_contentView.frame;

int nowLength = ceil(newFrame.size.width);

int totalLength =
ceil(self.frame.size.width -4);

// 2. 重新给当前的frame设置宽度

if (flag) {

if ( nowLength<totalLength) {



int flag = newFrame.size.width < (self.frame.size.width
-4);// 检测是否超范围

NSLog(@"%g---%g---- %i()(",(newFrame.size.width -
4),self.frame.size.width -
4,flag);//打印结果
newFrame.size.width += (self.frame.size.width
- 4)/10.0;
}else{

NSLog(@"超出界限");

NSLog(@"%.15f---",(newFrame.size.width -
4));
}


}else{

if (nowLength - 1 >
0) {
newFrame.size.width -= (self.frame.size.width
- 4)/10.0;
}

}

// 3.重新给当前的frame设置宽度

_contentView.frame = newFrame;

}

- (void)autoMethod{

CGRect newFrame =
_contentView.frame;

int nowLength = ceil(newFrame.size.width);

int totalLength =
ceil(self.frame.size.width -4);

if ( nowLength<totalLength) {
newFrame.size.width += (self.frame.size.width
- 4)/10.0;

_contentView.frame = newFrame;
}
else {
newFrame.size.width =
0;

_contentView.frame = newFrame;
}

}

#import "AppDelegate.h"

#import "JRProgres.h"

@interface
AppDelegate ()

@end

@implementation AppDelegate
{

JRProgres * _pro;
}

UI UIView进度条，模拟手机充电功能

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary
*)launchOptions {



self.window = [[UIWindow
alloc]initWithFrame:[UIScreen
mainScreen].bounds];

self.window.backgroundColor
= [UIColor grayColor];

[self.window
makeKeyAndVisible];



_pro = [[JRProgres
alloc]initWithFrame:CGRectMake(0,
150,
250, 25)];

_pro.center =
self.window.center;
[self.window
addSubview:_pro];

UI UIView进度条，模拟手机充电功能UI UIView进度条，模拟手机充电功能UI
UIView进度条，模拟手机充电功能UI UIView进度条，模拟手机充电功能UI UIView进度条，模拟手机充电功能UI
UIView进度条，模拟手机充电功能





UIButton * leftButton = [UIButton
buttonWithType:UIButtonTypeCustom];
leftButton.frame =
CGRectMake(self.window.center.x-70,
200, 50,
45);

[leftButton setTitle:@"前进"
forState:UIControlStateNormal];
leftButton.backgroundColor = [UIColor
blueColor];
[self.window
addSubview:leftButton];

[leftButton addTarget:self
action:@selector(clickRight)
forControlEvents:UIControlEventTouchUpInside];

UI UIView进度条，模拟手机充电功能UI UIView进度条，模拟手机充电功能



UIButton * rightButton = [UIButton
buttonWithType:UIButtonTypeCustom];
rightButton.frame =
CGRectMake(self.window.center.x +
20, 200,
50, 45);

[rightButton
setTitle:@"后退"
forState:UIControlStateNormal];
rightButton.backgroundColor = [UIColor
blueColor];
[self.window
addSubview:rightButton];

[rightButton
addTarget:self
action:@selector(clickLeft)
forControlEvents:UIControlEventTouchUpInside];

UI UIView进度条，模拟手机充电功能UI UIView进度条，模拟手机充电功能UI
UIView进度条，模拟手机充电功能

[NSTimer
scheduledTimerWithTimeInterval:0.5
target:self
selector:@selector(autoMethod)
userInfo:nil
repeats:YES];



return
YES;
}

- (void)clickLeft{

[_pro
setProgress:0];


}
- (void)clickRight{

[_pro
setProgress:1];
}

- (void)autoMethod{

[_pro
autoMethod];
}

UI UIView进度条，模拟手机充电功能UI UIView进度条，模拟手机充电功能UI
UIView进度条，模拟手机充电功能

@end