uitabbarcontroller做qq侧滑菜单效果：
首先要了解uitabbarcontroller的层级结构：
uitabbarcontroller加载的其它uiviewcontroller的view都是被添加在uitransitionview上（这是一个私有api），uitransitionview在self.view的0层，uitabbar在的第一层。
所以我的思路是这样的：
uitransitionview与uitabbar转移到一个新的view1上去，作为滑动的部分；
在view1与self.view之间再添加一个view2，作为菜单的容器；
给view1添加相应的手势响应；
代码：
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#import <uikit/uikit.h>
@protocol slidetab_vc_tcvdelegate <nsobject>
@optional
-(void)didopenmenu:(uiview*)menu;
-(void)didclosemenu:(uiview*)menu;
@end
@interface slidetab_vc : uitabbarcontroller
@property(strong, nonatomic)uiview *mmenuv;
@property(weak, nonatomic)id <slidetab_vc_tcvdelegate> mdelegate;
-(void)openmenu;
-(void)closemenu;
@end
#import "slidetab_vc.h"
#define device_w [uiscreen mainscreen].bounds.size.width
@interface slidetab_vc ()<uitabbardelegate>{
cgfloat _centermaxx;
}
@property(strong, nonatomic)uiview *mtransitionview;
@property(strong, nonatomic)uitapgesturerecognizer *mtapgester;
@property(assign, nonatomic)bool mmenuisopen;
@property(strong, nonatomic)uitabbar *mtabbar;
@end
@implementation slidetab_vc
- (void)viewdidload {
[super viewdidload];
// do any additional setup after loading the view.
self.view.backgroundcolor = [uicolor purplecolor];
_mmenuisopen = no;
_centermaxx = device_w*3/2-80.0f;
[self initmtransitionview];
[self addgestureformtransitionview];
}
#pragma mark 菜单懒加载
-(void)setmmenuv:(uiview *)mmenuv{
if (mmenuv!=nil) {
_mmenuv = mmenuv;
[self.view insertsubview:_mmenuv atindex:0];
}
}
#pragma mark 打开菜单
-(void)openmenu{
cgpoint center = self.mtransitionview.center;
center.x = _centermaxx;
[uiview animatewithduration:0.15f animations:^{
self.mtransitionview.center = center;
if (_mdelegate != nil&& [_mdelegate respondstoselector:@selector(didopenmenu:)]) {
[_mdelegate didopenmenu:_mmenuv];
}
}];
[self mtransitionsubviewsenable:no];
}
#pragma mark 关闭菜单
-(void)closemenu{
cgpoint center = self.mtransitionview.center;
center.x = device_w/2;
[uiview animatewithduration:0.15f animations:^{
self.mtransitionview.center = center;
} completion:^(bool finished) {
[self mtransitionsubviewsenable:yes];
if (_mdelegate != nil&& [_mdelegate respondstoselector:@selector(didclosemenu:)]) {
[_mdelegate didclosemenu:_mmenuv];
}
}];
}
#pragma mark transition用户交互使能
-(void)mtransitionsubviewsenable:(bool)enable{
for (uiview *tmp in self.mtransitionview.subviews) {
tmp.userinteractionenabled = enable;
}
if (enable) {
[self.mtransitionview removegesturerecognizer:_mtapgester];
}else{
[self.mtransitionview addgesturerecognizer:_mtapgester];
}
}
#pragma mark 配置mtransitionview
-(void)initmtransitionview{
for (uiview *tmp in self.view.subviews) {
[tmp removefromsuperview];
[self.mtransitionview addsubview:tmp];
}
[self.view addsubview:self.mtransitionview];
}
#pragma mark 拖动手势动作
-(void)panaction:(uipangesturerecognizer*)pan{
cgpoint location = [pan translationinview:pan.view.superview];
cgpoint center = self.mtransitionview.center;
if (pan.state==uigesturerecognizerstateended) {
if (center.x<_centermaxx*0.5+device_w*0.25){
[self closemenu];
}else{
[self openmenu];
}
}else if(pan.state==uigesturerecognizerstatechanged){
if (location.x<0) {//向左滑
center.x = center.x+location.x<=device_w/2? device_w/2 : center.x+location.x;
}else{
center.x = center.x+location.x>=_centermaxx? _centermaxx : center.x+location.x;
}
self.mtransitionview.center = center;
[pan settranslation:cgpointmake(0, 0) inview:pan.view.superview];
}
}
#pragma mark 添加手势
-(void)addgestureformtransitionview{
uipangesturerecognizer *pan = [[uipangesturerecognizer alloc]initwithtarget:self action:@selector(panaction:)];
[_mtransitionview addgesturerecognizer:pan];
_mtapgester = [[uitapgesturerecognizer alloc]initwithtarget:self action:@selector(tapaction)];
}
#pragma mark--懒加载
-(uiview *)mtransitionview{
if (_mtransitionview==nil) {
_mtransitionview = [[uiview alloc]initwithframe:self.view.bounds];
}
return _mtransitionview;
}
-(void)tapaction{
cgfloat x = _mtransitionview.center.x;
if (x>=_centermaxx) {
[self closemenu];
}
}
@end
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总结
以上所述是小编给大家介绍的ios中仿qq侧滑菜单功能，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：http://blog.csdn.net/shihuboke/article/details/75452405