Haptic feedback, vibration and animated UI widgets for Flutter — full Android & iOS implementations covering everything from quick UI taps to custom Core Haptics patterns with intensity and sharpness curves, plus a set of production-ready widgets wired to the right haptic at the right moment. Zero runtime dependencies beyond the Flutter SDK.

Add haptic_kit to your pubspec.yaml. Import everything through the single entry point package:haptic_kit/haptic_kit.dart.

dependencies:
  haptic_kit: ^2.0.0

environment:
  sdk: ">=3.0.0 <4.0.0"
  flutter: ">=3.10.0"

<uses-permission android:name="android.permission.VIBRATE" />

Every call is a static Future you can await in a UI callback. Semantic taps, longer vibrations, custom waveforms, predefined OS effects and ready-made patterns all live behind these entry points.

import 'package:haptic_kit/haptic_kit.dart';

// Short UI taps
await Haptics.impact(HapticImpactStyle.medium);
await Haptics.notification(HapticNotificationStyle.success);
await Haptics.selection();

// Longer vibrations
await Vibration.vibrate(duration: const Duration(milliseconds: 300));

// Custom waveform — three pulses with growing amplitude
await Vibration.vibrateWaveform(
  timings: const [
    Duration.zero,
    Duration(milliseconds: 100),
    Duration(milliseconds: 100),
    Duration(milliseconds: 100),
    Duration(milliseconds: 100),
    Duration(milliseconds: 100),
  ],
  amplitudes: const [0, 80, 0, 160, 0, 255],
);

// Predefined OS effect
await Vibration.playPredefined(PredefinedEffect.doubleClick);

// Ready-made pattern
await VibrationPatterns.heartbeat();

The trick is matching the moment to the feedback — quiet for repeated steps, weightier as the interaction closes. Reach for these defaults:

Not every device renders every effect. Call HapticCapabilities.query() once on app start (or on the first user interaction) and cache the result — the values do not change at runtime. Then degrade gracefully: fall back from a rich pattern to a plain notification when custom patterns are unavailable.

final caps = await HapticCapabilities.query();
if (caps.supportsCustomPatterns) {
  await VibrationPatterns.success();
} else {
  await Haptics.notification(HapticNotificationStyle.success);
}

The full capability field set — hasVibrator, hasAmplitudeControl, supportsCustomPatterns, supportsPredefinedEffects and supportsImpactFeedback — plus the typed error hierarchy is documented on the Patterns & API page.

Two sibling pages cover the rest of the surface area.