You had an iPhone for years and want to switch to Andorid for your next smartphone? I bet that your first concern is how to migrate your data from one device to the other.
The migration may seems a daunting task, but for at least the contacts it can be accomplished easily.
The following guide assumes that you have backed up your Apple iPhone contacts on iCloud and you plan to use your main Google account on your future Android phone.
To export the contacts from Apple iCloud to your Google account: