Introduction The error “No Visible @interface for ‘MLVPieChartView’ declares the selector ‘tick’” is a common issue encountered when developing applications using the MLVPieChartView library. This error occurs when the code attempts to call a method (in this case, the ‘tick’ method) that is not declared in the MLVPieChartView interface. In this article, we will discuss … Read more
I’m looking at your MLVPieChartView.h file and I don’t see a method named “tick” in there. You need to change that call to the object that has a “tick” method. From what I can tell from your GitHub project, there is no “tick” method declared anywhere (in which case you have to create it). 4 … Read more
You’ll want to look at UISwipeGestureRecognizer. For help with getting swipe gesture recognizers working with Cocos2D, look here. The short rundown is this: Set up your gesture recognizer (direction, number, selector/target). Attach gesture recognizer to the glView Set up event to fire when a swipe is detected. This is where you’ll do the jump up/down … Read more
Create a date object when the player loses NSDate *stopTime = [NSDate dateWithTimeIntervalSinceNow:0]; and store that date in NSUserDefaults. To check if the user has waited long enough, read the date from NSUserDefaults, and compute the delta between the stop time and the current time. For example, if the user needs to wait 15 minutes, … Read more
I figure out the reason finally:It is because of the GameLayer instance A that used to register the PanGestureRecognizer and the GameLayer instance B which used to show the screen is not same instance.Such that processPanGesture() function is just change instance A’s currentPer,While what i print is instance B’s currentPe solved Why the float variable … Read more