iOS source code download: Draw the input words with animation

Functional classification: Special effects

Supported platforms: iOS

Operating environment: iOS

Development language: Object-C

Development tools: Xcode

Source code size: 174.88KB

Source code download address: http://down..com/data/1975235

Source code introduction

To implement line drawing animation for a string, you can modify the animation size and position, as well as the color of the line drawing in the class method.

Source code running screenshot

Rendering

Source code snippet

 -( void )startDraw:(UIButton*)sender
 {
 for (id layer in self.view.layer.sublayers) {
 if ([layer isKindOfClass:[ZYAnimationLayer class ]])
 {
            [layer removeFromSuperlayer];
 }
 }
    [ZYAnimationLayer createAnimationLayerWithString:self.myTextField.text andRect: CGRectMake(20.0f, -100.0f,
                                                                                              CGRectGetWidth(self.view.layer.bounds) - 40.0f,
                                                                                               CGRectGetHeight(self.view.layer.bounds) - 84.0f) andView:self.view andFont:CTFontCreateWithName(CFSTR( "Helvetica-Bold" ), 80.0f, NULL) andStrokeColor:[UIColor colorWithRed:0.3 green:0.2 blue:0.5 alpha:1]];
 }
 - ( void )textFieldDidBeginEditing:(UITextField *)textField
 {
    self.myTextField.frame = CGRectMake(self.myTextField.frame.origin.x, self.myTextField.frame.origin.y - 252, self.myTextField.frame.size.width, self.myTextField.frame.size.height);
 }
 - ( void )textFieldDidEndEditing:(UITextField *)textField
 {
    self.myTextField.frame = CGRectMake(self.myTextField.frame.origin.x, self.myTextField.frame.origin.y + 252, self.myTextField.frame.size.width, self.myTextField.frame.size.height);
 }

Source code download address: http://down..com/data/1975235