block 滑块导航条 关联
@property(nonatomic,retain)UIView *block;
-(void)btnClicked:(UIButton *)sender
{
__block CGRect targetFrame = self.block.frame;
BOOLdirectionRight=targetFrame.origin.x<sender.frame.origin.x;
targetFrame.origin.x=sender.frame.origin.x+(directionRight?30:-30);
[UIView animateWithDuration:0.1 animations:^{
self.block.frame=targetFrame;
}completion:^(BOOL finished){
targetFrame.origin.x+=directionRight?-50:50;
[UIView animateWithDuration:0.1 animations:^{
self.block.frame=targetFrame;
}completion:^(BOOL finished){
targetFrame.origin.x+=directionRight?20:-20;
[UIView animateWithDuration:0.1 animations:^{
self.block.frame=targetFrame;
}];
}];
}];
}
-(void)buildLayout{
NSArray *arrbtn=@[@"主菜单",@"收藏",@"最近使用",@"更多。。。",];
self.view.backgroundColor=[UIColor colorWithRed:241/255.0fgreen:200/255.0f blue:55/255.0f alpha:1.0f];
for (int i=0; i<5; i++) {
UIButton *btn=[UIButtonbuttonWithType:UIButtonTypeRoundedRect];
//[btn setTitle:[NSString stringWithFormat:@"btn%d",i]forState:UIControlStateNormal];
btn.frame=CGRectMake(64*i,CGRectGetHeight(self.view.bounds)-40, 64, 40);
[btn setTitle:[arrbtn objectAtIndex:i] forState:UIControlStateNormal];
btn.layer.backgroundColor=[UIColor clearColor].CGColor;
btn.layer.borderWidth=1.0f;
[btn addTarget:self action:@selector(btnClicked:)forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
}
UIView *blockBg=[[UIView alloc]initWithFrame:CGRectMake(0,CGRectGetHeight(self.view.bounds)-60, 320, 20)];
blockBg.backgroundColor=[UIColor clearColor];
[self.view addSubview:blockBg];
UIView *bgLayer=[[UIView alloc]initWithFrame:blockBg.frame];
bgLayer.backgroundColor=[UIColor clearColor];
bgLayer.layer.opacity=0.4f;
[blockBg addSubview:bgLayer];
self.block=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 64,20)];
self.block.backgroundColor=[UIColor orangeColor];
self.block.layer.opacity=1.0f;
[blockBg addSubview:self.block];
}
