Wallpaper Changer is an application to change the wallpaper

The photos are organized in albums. Both the albums and the photos can be enabled/disabled allowing to select the wallpapers.

To select the following wallpaper only enable albums/photos will be taken into account.

At any time we can start/stop the service that will change the wallpaper automatically. When the service is running there will be a Notification indicating it with the chosen preferences.

Within the preferences we can configure:
* Interval: how often will the wallpaper be changed. It can be seconds minutes or hours.
* Selection Mode:
* Album: all the photos in the album are selected and then move on to the next album.
* Random: photos from different albums are selected randomly.
* Screen Lock: allows to enable if we want to change or not the screen lock. Only available for Android 7.0 Nougat version (API 24) or higher.