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2014/10/15 ¤U¤È 10:13:31
iphone Programming Glossary: roundfhttp://stackoverflow.com/questions/10317951/drag-down-uiview-in-ios-5 out of visibel area UIView animateWithDuration .3 animations ^ pulldownView.center CGPointMake pulldownView.center.x roundf pulldownView.bounds.size.height 2. else if start 0 animate pulldownView with top to mainviews top UIView animateWithDuration..
Increment UISlider by 1 in range 1 to 100 http://stackoverflow.com/questions/12834140/increment-uislider-by-1-in-range-1-to-100
Increment UISlider by 0.2 in range 0 to 2.0 [duplicate] http://stackoverflow.com/questions/12927591/increment-uislider-by-0-2-in-range-0-to-2-0
How can I group MKAnnotations automatically regarding zoom level? http://stackoverflow.com/questions/3194646/how-can-i-group-mkannotations-automatically-regarding-zoom-level continue CGPoint point mapView_ convertCoordinate an.coordinate toPointToView nil CGPoint roundedPoint roundedPoint.x roundf point.x 10 10 roundedPoint.y roundf point.y 10 10 NSValue value NSValue valueWithCGPoint roundedPoint MKAnnotationView av.. an.coordinate toPointToView nil CGPoint roundedPoint roundedPoint.x roundf point.x 10 10 roundedPoint.y roundf point.y 10 10 NSValue value NSValue valueWithCGPoint roundedPoint MKAnnotationView av mapView_ viewForAnnotation an if coordSet..
resize and crop image centered http://stackoverflow.com/questions/3955189/resize-and-crop-image-centered width resize maintaining aspect ratio inputSize self.size scaleFactor newSize.height inputSize.height width roundf inputSize.width scaleFactor if width newSize.width scaleFactor newSize.width inputSize.width newSize.height roundf inputSize.height.. roundf inputSize.width scaleFactor if width newSize.width scaleFactor newSize.width inputSize.width newSize.height roundf inputSize.height scaleFactor else newSize.width width UIGraphicsBeginImageContext newSize context UIGraphicsGetCurrentContext..
UIImagePickerController camera preview is portrait in landscape app http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app height kMaxResolution CGFloat ratio width height if ratio 1 bounds.size.width kMaxResolution bounds.size.height roundf bounds.size.width ratio else bounds.size.height kMaxResolution bounds.size.width roundf bounds.size.height ratio CGFloat.. bounds.size.height roundf bounds.size.width ratio else bounds.size.height kMaxResolution bounds.size.width roundf bounds.size.height ratio CGFloat scaleRatio bounds.size.width width CGSize imageSize CGSizeMake CGImageGetWidth imgRef..
Implementing steps/snapping UISlider http://stackoverflow.com/questions/6370342/implementing-steps-snapping-uislider determine approximately which step we are on. Then we round to get to find which step we are closest to. float newStep roundf questionSlider.value self.stepValue Convert steps back to the context of the sliders values. self.questionSlider.value newStep..
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