Ole-Morten Duesund
4950feb751
Use safe cast (as? VibratorManager) and wrap vibrate calls in try-catch to prevent crashes on emulators, custom ROMs, or devices without vibration hardware. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
71 lines
1.9 KiB
Kotlin
71 lines
1.9 KiB
Kotlin
package no.naiv.tiltshift.util
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import android.content.Context
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import android.os.VibrationEffect
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import android.os.Vibrator
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import android.os.VibratorManager
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import android.util.Log
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/**
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* Provides haptic feedback for user interactions.
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* Gracefully degrades on devices without vibration hardware.
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*/
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class HapticFeedback(private val context: Context) {
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companion object {
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private const val TAG = "HapticFeedback"
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}
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private val vibrator: Vibrator? by lazy {
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val vibratorManager =
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context.getSystemService(Context.VIBRATOR_MANAGER_SERVICE) as? VibratorManager
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vibratorManager?.defaultVibrator
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}
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/**
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* Light tick for UI feedback (button press, slider change).
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*/
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fun tick() {
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vibrateOrLog(VibrationEffect.createPredefined(VibrationEffect.EFFECT_TICK))
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}
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/**
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* Click feedback for confirmations.
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*/
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fun click() {
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vibrateOrLog(VibrationEffect.createPredefined(VibrationEffect.EFFECT_CLICK))
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}
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/**
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* Heavy click for important actions (photo capture).
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*/
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fun heavyClick() {
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vibrateOrLog(VibrationEffect.createPredefined(VibrationEffect.EFFECT_HEAVY_CLICK))
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}
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/**
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* Success feedback pattern.
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*/
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fun success() {
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val timings = longArrayOf(0, 30, 50, 30)
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val amplitudes = intArrayOf(0, 100, 0, 200)
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vibrateOrLog(VibrationEffect.createWaveform(timings, amplitudes, -1))
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}
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/**
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* Error feedback pattern.
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*/
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fun error() {
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val timings = longArrayOf(0, 50, 30, 50, 30, 50)
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val amplitudes = intArrayOf(0, 150, 0, 150, 0, 150)
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vibrateOrLog(VibrationEffect.createWaveform(timings, amplitudes, -1))
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}
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private fun vibrateOrLog(effect: VibrationEffect) {
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try {
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vibrator?.vibrate(effect)
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} catch (e: Exception) {
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Log.w(TAG, "Haptic feedback failed", e)
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}
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}
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}
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