TabBarViewController的创建以及渐变隐藏

//  CustomTabBarViewController.h

#import <UIKit/UIKit.h>
@interface CustomTabBarViewController : UITabBarController + (void)deallocTabbar;
+ (id)defaultsTabBar; - (void)selectBUttonWithIndex:(NSInteger)index;
-(void)setTabBarHidden:(BOOL)Bool;
@end
//
// CustomTabBarViewController.m
#import "CustomTabBarViewController.h"
#import "DJSHomeViewController.h"
#import "DJSStudioViewController.h"
#import "DJSAppointmentViewController.h"
#import "DJSMineViewController.h"
#import "Header.h"
#define btnBaseTag 100 static CustomTabBarViewController *defaults;
@interface CustomTabBarViewController ()
{
BOOL tabBarIsShow;
}
@property (nonatomic, strong) UIImageView *baceGroundImage;
@property (nonatomic, strong) NSMutableArray *btnArray; @end @implementation CustomTabBarViewController
@synthesize baceGroundImage, btnArray;
+ (void)deallocTabbar
{
defaults = nil;
}
+ (id)defaultsTabBar
{
if (defaults == nil) {
defaults = [[CustomTabBarViewController alloc] init];
}
return defaults;
} - (void)viewDidLoad {
[super viewDidLoad]; tabBarIsShow = YES;
self.view.backgroundColor = [UIColor colorWithRed:/255.0 green:/255.0 blue:/255.0 alpha:];
self.tabBar.hidden = YES;
DJSHomeViewController *home = [[DJSHomeViewController alloc]init];
UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:home];
DJSStudioViewController *produce = [[DJSStudioViewController alloc]init];
UINavigationController *nav1 = [[UINavigationController alloc] initWithRootViewController:produce]; DJSAppointmentViewController *appoint = [[DJSAppointmentViewController alloc]init];
UINavigationController *nav2 = [[UINavigationController alloc] initWithRootViewController:appoint]; DJSMineViewController *mine = [[DJSMineViewController alloc]init];
UINavigationController *nav3 = [[UINavigationController alloc] initWithRootViewController:mine]; self.viewControllers = @[nav, nav1, nav2, nav3]; btnArray = [[NSMutableArray alloc] init];
[self setCustomTabbarItem];
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
}
- (void)setCustomTabbarItem
{
[btnArray removeAllObjects];
baceGroundImage = [[UIImageView alloc] initWithFrame:CGRectMake(, Main_height-, Main_Width, )];
baceGroundImage.backgroundColor = [UIColor whiteColor]; baceGroundImage.image = [UIImage imageNamed:@"wireframe_bottom@2x"];
baceGroundImage.userInteractionEnabled = YES;
[self.view addSubview:baceGroundImage]; // UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, Main_Width, 0.5)];
// lineView.backgroundColor = [UIColor cyanColor];
// [baceGroundImage addSubview:lineView];
NSArray *imageNameArr = @[@"home_unicorn_unpress", @"home_project_unpress", @"home_studio_unpress",@"home_my_unpress"];
NSArray *selecNameArr = @[@"home_unicorn_press", @"home_project_press", @"home_studio_press",@"home_my_press"];
CGFloat space = Main_Width/;
for (NSInteger i = ; i < ; i++) {
UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(i * space, , space, )];
// btn.backgroundColor = [UIColor cyanColor];
[btn setImage:[UIImage imageNamed:imageNameArr[i]] forState:UIControlStateNormal];
[btn setImage:[UIImage imageNamed:selecNameArr[i]] forState:UIControlStateSelected];
btn.tag = btnBaseTag + i;
if (i == )
{
btn.selected = YES;
}
[btn addTarget:self action:@selector(pressBtn:) forControlEvents:UIControlEventTouchUpInside];
[baceGroundImage addSubview:btn];
[btnArray addObject:btn];
}
}
- (void)selectBUttonWithIndex:(NSInteger)index
{
UIButton *btn = (UIButton *)btnArray[index];
[self pressBtn:btn];
} -(void)setTabBarHidden:(BOOL)Bool
{ if (Bool) {
[self hideTabBar];
}
else{
[self showTabBar];
}
} - (void)hideTabBar {
if (!tabBarIsShow)
{ //already hidden
return;
}
[UIView animateWithDuration:0.35 animations:^{
baceGroundImage.frame = CGRectMake(, Main_height, Main_Width, );
}];
tabBarIsShow = NO;
} - (void)showTabBar {
if (tabBarIsShow)
{ // already showing
return;
}
[UIView animateWithDuration:0.35 animations:^{
baceGroundImage.frame = CGRectMake(, Main_height-, Main_Width, );
}]; tabBarIsShow = YES;
} -(void)pressBtn:(id)sender
{
UIButton *btn=(UIButton *)sender; if (btn.tag - btnBaseTag >= self.viewControllers.count) {
return;
}
self.selectedIndex = btn.tag - btnBaseTag;
for (UIButton *tempBtn in btnArray)
{
if (tempBtn.tag == btn.tag)
{
tempBtn.selected=YES;
}
else
{
tempBtn.selected=NO;
}
}
}
@end

1、创建

@interface AppDelegate ()
{
    CustomTabBarViewController *tabbar;
}

tabbar=[CustomTabBarViewController defaultsTabBar];

self.window.rootViewController = tabbar;
2、隐藏

CustomTabBarViewController * tabBar =[CustomTabBarViewController defaultsTabBar];
    [tabBar setTabBarHidden:YES];

TabBarViewController的创建以及渐变隐藏TabBarViewController的创建以及渐变隐藏

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