Ios 拖动UIView将原点坐标设置回（0，0）

我有一个

UIView

可以拖动，一旦我停止拖动并开始再次拖动

UIView

，

UIView

的坐标会被设置回

0

，即使我将

UIView

拖动到特定位置

当

UIView

设置为

（x，y）

到

（100100）

时，我如何获得它的正确位置

下面的代码只允许您拖动

ui视图

-(void)move:(id)sender {

[[[(UITapGestureRecognizer*)sender view] layer] removeAllAnimations];

CGPoint translation = [sender translationInView:self.view.superview];
CGPoint translatedPoint = [(UIPanGestureRecognizer*)sender translationInView:self.view];


[self.view setFrame:CGRectMake(translation.y*4, translation.y*10, 320, 480)];
[uiWebView setFrame:CGRectMake(0, 0, 320-self.view.frame.origin.x, (320-self.view.frame.origin.x)/2)];
[uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"ResizeVideo('down', %0.0f, %0.0f)",320-self.view.frame.origin.x,uiWebView.frame.size.height]];

if(self.view.frame.origin.y > 0 && self.view.frame.origin.y < 400){

}
else{
    CGPoint localPoint = [self.view bounds].origin;
    CGPoint basePoint = [self.view convertPoint:localPoint toView:nil];
    if(basePoint.y < 0){
        NSLog(@"%0.0f",self.view.frame.origin.y);
        [self.view setFrame:CGRectMake(0, 0, 320, 480)];
        [uiWebView setFrame:CGRectMake(0, 0, 320-self.view.frame.origin.x, (320-self.view.frame.origin.x)/2)];
        [uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"ResizeVideo('down', %0.0f, %0.0f)",320-self.view.frame.origin.x,uiWebView.frame.size.height]];
    }
    if(self.view.frame.origin.y > 400){
        [self.view setFrame:CGRectMake(160, 400, 320, 480)];
        [uiWebView setFrame:CGRectMake(0, 0, 160, 80)];
        [uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"ResizeVideo('down', %0.0f, %0.0f)",320-self.view.frame.origin.x,uiWebView.frame.size.height]];
    }
}

if([(UIPanGestureRecognizer*)sender state] == UIGestureRecognizerStateEnded) {

    if(self.view.frame.origin.y > 200){

        [UIView beginAnimations:nil context:NULL];
        [UIView setAnimationDuration:.35];
        [UIView setAnimationCurve:UIViewAnimationCurveEaseOut];
        //[[sender view] setCenter:CGPointMake(200, 100)];
        [UIView commitAnimations];

        [UIView beginAnimations:nil context:NULL];
        [UIView setAnimationDuration:1.0];
        [self.view setFrame:CGRectMake(160, 400, 320, 480)];
        [uiWebView setFrame:CGRectMake(0, 0, 160, 80)];         [UIView commitAnimations];
        [uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"ResizeVideo('down', %0.0f, %0.0f)",160.0,80.0]];
        outOfBounds1 = false;
        outOfBounds2 = false;

    }

    if(self.view.frame.origin.y < 200){

        [UIView beginAnimations:nil context:NULL];
        [UIView setAnimationDuration:.35];
        [UIView setAnimationCurve:UIViewAnimationCurveEaseOut];
        //[[sender view] setCenter:CGPointMake(160, 72)];
        [UIView commitAnimations];

        [UIView beginAnimations:nil context:NULL];
        [UIView setAnimationDuration:1.0];
        [self.view setFrame:(CGRectMake(0, 0, 320, 480))];
        [uiWebView setFrame:CGRectMake(0, 0, 320, 144)];            [UIView commitAnimations];
        [uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"ResizeVideo('down', %0.0f, %0.0f)",320.0,144.0]];
        outOfBounds1 = false;
        outOfBounds2 = false;
    }
}


NSLog(outOfBounds1 ? @"Yes" : @"No");
}

-（无效）移动：（id）发送方{
[[（UITapgestureRecognitizer*）发送方视图]层]删除配置]；
CGPoint translation=[sender translationView:self.view.superview]；
CGPoint translatedPoint=[（UIPangestureRecognitor*）发送方翻译视图：self.view]；
[self.view setFrame:CGRectMake（translation.y*4，translation.y*10320480）]；
[uiWebView setFrame:CGRectMake（0,0320 self.view.frame.origin.x，（320 self.view.frame.origin.x）/2]；
[uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@“ResizeVideo（'down'，%0.0f，%0.0f）”，320 self.view.frame.origin.x，uiWebView.frame.size.height]；
if（self.view.frame.origin.y>0&&self.view.frame.origin.y<400）{
}
否则{
CGPoint localPoint=[self.view bounds]。原点；
CGPoint-basePoint=[self.view-convertPoint:localPoint-toView:nil]；
if（基点y<0）{
NSLog（@“%0.0f”，self.view.frame.origin.y）；
[self.view setFrame:CGRectMake（0,0320480）]；
[uiWebView setFrame:CGRectMake（0,0320 self.view.frame.origin.x，（320 self.view.frame.origin.x）/2]；
[uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@“ResizeVideo（'down'，%0.0f，%0.0f）”，320 self.view.frame.origin.x，uiWebView.frame.size.height]；
}
if（self.view.frame.origin.y>400）{
[self.view setFrame:CGRectMake（160400320480）]；
[uiWebView setFrame:CGRectMake（0,0,160,80）]；
[uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@“ResizeVideo（'down'，%0.0f，%0.0f）”，320 self.view.frame.origin.x，uiWebView.frame.size.height]；
}
}
if（[（UIPangestureRecognitizer*）发送方状态]==UIgestureRecognitizerStateEnded）{
if（self.view.frame.origin.y>200）{
[UIView beginAnimations:nil上下文：NULL]；
[UIView setAnimationDuration:.35]；
[UIView设置动画曲线：UIViewAnimationCurveEaseOut]；
//[[sender view]设置中心：CGPointMake（200100）]；
[UIView委员会]；
[UIView beginAnimations:nil上下文：NULL]；
[UIView setAnimationDuration:1.0]；
[self.view setFrame:CGRectMake（160400320480）]；
[uiWebView setFrame:CGRectMake（0,0,160,80）]；[UIView committeanimations]；
[uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@“ResizeVideo（'down'，%0.0f，%0.0f）”，160.0,80.0]；
边界外1=假；
outOfBounds2=假；
}
if（self.view.frame.origin.y<200）{
[UIView beginAnimations:nil上下文：NULL]；
[UIView setAnimationDuration:.35]；
[UIView设置动画曲线：UIViewAnimationCurveEaseOut]；
//[[sender view]设置中心：CGPointMake（160,72）]；
[UIView委员会]；
[UIView beginAnimations:nil上下文：NULL]；
[UIView setAnimationDuration:1.0]；
[self.view setFrame:（CGRectMake（0,0320480））；
[uiWebView setFrame:CGRectMake（0,03203214）]；[UIView committeanimations]；
[uiWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@“ResizeVideo（'down'，%0.0f，%0.0f）”，320.0144.0]；
边界外1=假；
outOfBounds2=假；
}
}
NSLog（边界外1？@“是”：“否”）；
}

替换行：

[self.view setFrame:CGRectMake(translation.y*4, translation.y*10, 320, 480)];

与：

基本上，您总是将帧设置为初始平移值。修复方法是将平移值添加到视图的当前位置

如果有帮助，请告诉我

[self.view setFrame:CGRectMake(self.view.frame.origin.x + translation.y*4,
                               self.view.frame.origin.y + translation.y*10, 
                               320, 
                               480)];