UIView

////  UIViewViewController.m//  AppUI组件学习////  Created by 麦子 on 15/6/16.//  Copyright (c) 2015年 麦子. All rights reserved.//#import "UIViewViewController.h"@interface UIViewViewController (){    UIView *myview4;}@end/***   UIView 就是一个容器，就像栈一样，一个有顺序的容器，他对层的操作会导致这个层的数组的下标这样的顺序有变动  **/@implementation UIViewViewController- (void)viewDidLoad {    [super viewDidLoad];    self.view.backgroundColor = [UIColor blackColor];    [self createView:self.view];}- (void)createView:(id)uiView{    UIView *view = (UIView *)uiView;        UIView *myView = [[UIView alloc] init];    myView.frame = CGRectMake(10, 80, 300, 100);    myView.backgroundColor = [UIColor yellowColor];    // 自动裁减，超过父视图的地方，会自动裁掉    myView.clipsToBounds = YES;        CGFloat xCount = myView.frame.origin.x; // 相对于父类的左边上边的坐标    CGFloat yCount = myView.frame.origin.y;        CGFloat widthCount = myView.frame.size.width;    CGFloat heightCount = myView.frame.size.height;        NSLog(@"x-%f,y-%f,width-%f,height-%f",xCount,yCount,widthCount,heightCount);        // 获取中心店    CGPoint point = myView.center;    NSLog(@"x-%f,y-%f",point.x,point.y);    // 获取边框大小    CGRect  rect = myView.bounds; // x  y 永远是 0    NSLog(@"x-%f,y-%f,width-%f,height-%f",rect.origin.x,rect.origin.y,rect.size.width,rect.size.height);    // 设置视图标签，这个属于唯一标示    myView.tag = 1;    // 设置内容模式    myView.contentMode = UIViewContentModeLeft; // 这个可以在ImageView中，可以设置图片的放的位置            // view 一个容器，这个容器里的数据都可以通过方法来获取到    UIView  *myView2 = [[UIView alloc] init];    myView2.frame = CGRectMake(10, 20, 200, 50);    myView2.backgroundColor = [UIColor purpleColor];    [myView addSubview:myView2];        UIView  *myView3 = [[UIView alloc] init];    myView3.frame = CGRectMake(10, 80, 200, 100);    myView3.backgroundColor = [UIColor orangeColor];    // 设置通明度，    myView3.alpha = 0.1;    [myView addSubview:myView3];        // 得到父类视图    UIView *superView = [myView2 superview];    superView.backgroundColor = [UIColor blueColor];        // 获取所有子视图    NSArray *array = superView.subviews;    for (UIView *myView in array) {        myView.backgroundColor = [UIColor brownColor];    }        // 下标获取    UIView *firstView = [array objectAtIndex:0];    firstView.backgroundColor = [UIColor darkGrayColor];                // 设置自动布局    myview4 = [[UIView alloc] init];    myview4.frame = CGRectMake(10, 200, 300, 300);    myview4.backgroundColor = [UIColor yellowColor];    // 允许子类对象自动布局    myview4.autoresizesSubviews = YES;            UIView *myview5 = [[UIView alloc] init];    myview5.frame = CGRectMake(10, 20, 250, 250);    myview5.backgroundColor = [UIColor orangeColor];    // 设置子视图布局方式-------宽度的改变会和父类视图一致/高度， 这有多种方式    myview5.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;    [myview4 addSubview:myview5];    [view addSubview:myview4];            // 层操作 －－－－ 类似于栈区的顺序    UIView *myView6 = [[UIView alloc] init];    myView6.frame = CGRectMake(10, 550, 50, 50);    myView6.backgroundColor = [UIColor purpleColor];        UIView *myView7 = [[UIView alloc] init];    myView7.frame = CGRectMake(30, 580, 100, 100);    myView7.backgroundColor = [UIColor redColor];            [view addSubview:myView6];    [view addSubview:myView7];    [view addSubview:myView];        // 将某一个层放在最下面//    [view sendSubviewToBack:myView7];    // 将某一层放在最上层//    [view bringSubviewToFront:myView7];         //插入一个view到指定的层    UIView *myView8 = [[UIView alloc] init];    myView8.frame = CGRectMake(50, 580, 150, 150);    myView8.backgroundColor = [UIColor blueColor];    // 插入到那一层//    [view insertSubview:myView8 atIndex:1];//    [view insertSubview:myView8 aboveSubview:myView6];// 上面 还有下面    [view exchangeSubviewAtIndex:1 withSubviewAtIndex:0]; // 交换层                // 这里自动就会调用了，不需要放入到主线程中，//    [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(viewChange:) userInfo:nil repeats:YES];                }- (void)viewChange:(NSTimer *)timer{    myview4.frame = CGRectMake(10, 200, myview4.frame.size.width+5, myview4.frame.size.height+5);}@end