-(void)testMove
{
moveBtn = [[UIButton alloc ]init];
moveBtn.frame = CGRectMake(0, 30, 60, 60);
moveBtn.backgroundColor = [UIColorredColor];
//[moveBtn addTarget:self action:@selector(moveBtn) forControlEvents:UIControlEventTouchDown];
//[moveBtn addTarget:self action:@selector(moveBtnEnd) forControlEvents:UIControlEventTouchUpInside];
[moveBtnaddTarget:selfaction:@selector(dragMoving:withEvent: )forControlEvents: UIControlEventTouchDragInside];
[moveBtnaddTarget:selfaction:@selector(doClick:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:moveBtn];
}
- (void) dragMoving: (UIButton *)btn withEvent:(UIEvent *)event
{
CGPoint point = [[[event allTouches] anyObject] locationInView:self.view];
CGFloat x = point.x;
CGFloat y = point.y;
CGFloat btnx = btn.frame.size.width/2;
CGFloat btny = btn.frame.size.height/2;
if(x<=btnx)
{
point.x = btnx;
}
if(x >= self.view.bounds.size.width - btnx)
{
point.x = self.view.bounds.size.width - btnx;
}
NSLog(@"fs:%f %f",x, btnx);
btn.center = point;
NSLog(@"%f,,,%f",btn.center.x,btn.center.y);
}