fmx + TTrackbar + Ios + Taptic Feedback

[areyoudoneyet]

Code:

import SwiftUI

struct ContentView: View {
    
    @State private var testValue: Double = 0
    var body: some View {
        VStack {
            Slider(value: $testValue,in:-100...100, step:1)
        }
        .padding()
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

hm Also das ist schon Standart verhalten von Slidern in iOS.

[Rollo62]

Vielleicht funktioniert das so in der Art bei Dir:

Delphi-Quellcode:

uses
     Macapi.ObjectiveC
  //   Macapi.CoreFoundation
  ,  Macapi.ObjCRuntime
  // iOS
  , iOSapi.CocoaTypes
  , iOSapi.Foundation
  ;

type
    TVibrate_Haptic_Feedback = (Weak, Medium, Strong);
    TVibrate_Haptic = class

        // Haptic Vibrate feedback generation
        // UIImpactFeedbackStyleLight, UIImpactFeedbackStyleMedium, UIImpactFeedbackStyleHeavy
        class procedure Execute(const AFeedback : TVibrate_Haptic_Feedback);

    end;





implementation

Uses
    Macapi.CoreFoundation
  ;

const
  UIImpactFeedbackStyleLight  = 0;
  {$EXTERNALSYM UIImpactFeedbackStyleLight}
  UIImpactFeedbackStyleMedium = 1;
  {$EXTERNALSYM UIImpactFeedbackStyleMedium}
  UIImpactFeedbackStyleHeavy  = 2;
  {$EXTERNALSYM UIImpactFeedbackStyleHeavy}

type
  UIImpactFeedbackStyle = NSInteger;

  UIFeedbackGeneratorClass = interface(NSObjectClass)
  ['{6B7EC779-C032-4F7A-B51B-BAF0E4249CE6}']
  end;

  UIFeedbackGenerator = interface(NSObject)
    ['{5EFF0FE8-F7F1-4443-90B0-94B69C6F9F01}']
    procedure prepare; cdecl;
  end;
  TUIFeedbackGenerator = class(TOCGenericImport<UIFeedbackGeneratorClass, UIFeedbackGenerator>) end;

  UIImpactFeedbackGeneratorClass = interface(NSObjectClass)
  ['{4AD834AB-9CC2-43F2-891B-F0BDD4F03732}']
  end;

  UIImpactFeedbackGenerator = interface(UIFeedbackGenerator)
  ['{8BFE603E-FFBC-4109-9AAE-62F77ED4CD57}']
  function initWithStyle(style: UIImpactFeedbackStyle): Pointer; cdecl;
  procedure impactOccurred; cdecl;
  end;
  TUIImpactFeedbackGenerator = class(TOCGenericImport<UIImpactFeedbackGeneratorClass, UIImpactFeedbackGenerator>) end;



// Haptic Vibrate generation
// UIImpactFeedbackStyleLight, UIImpactFeedbackStyleMedium, UIImpactFeedbackStyleHeavy
class procedure TVibrate_Haptic.Execute(const AFeedback : TVibrate_Haptic_Feedback);
var
  vibrationFeedback: UIImpactFeedbackGenerator;
begin
  vibrationFeedback := TUIImpactFeedbackGenerator.Wrap(TUIImpactFeedbackGenerator.OCClass.alloc); 
  case AFeedback of
    Weak  : vibrationFeedback.initWithStyle( UIImpactFeedbackStyleLight);
    Medium: vibrationFeedback.initWithStyle( UIImpactFeedbackStyleMedium);
    Strong: vibrationFeedback.initWithStyle( UIImpactFeedbackStyleHeavy);
    else
            vibrationFeedback.initWithStyle( UIImpactFeedbackStyleMedium);;
  end;

  vibrationFeedback.impactOccurred;
end;