Check if an android device restarted without depending on BOOT_COMPLETED

DeviceRestartChecker.kt

object DeviceRestartChecker {
    private const val PREFS_NAME = "device_restart_prefs"
    private const val KEY_LAST_UPTIME = "last_uptime"

    operator fun invoke(context: Context): Boolean {
        val prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)
        val savedUptime = prefs.getLong(KEY_LAST_UPTIME, 0L)
        val currentUptime = SystemClock.uptimeMillis()
        
        return if (currentUptime < savedUptime) {
            // Device has restarted (uptime reset)
            true
        } else {
            prefs.edit()
                .putLong(KEY_LAST_UPTIME, currentUptime)
                .apply()
            false
        }
    }
}