#364
- MainActivity, PhotoDetailsActivity: added disk cache cleared broadcast
receiver
- SettingsCommon: added diskCacheClearPreference field and
setDiskCachClearPreference method
- SettingsFragment: added settingsCommon.setDiskCachClearPreference to
the onCreate method
- DiskLruCache: added debug output to the clearCache method
- ImageCache: added clearDiskCacheIfExist method
- ImageCache: moved clearDiskCaches method to IimageCacheUtils
- ImageCacheUtils: added
- res/values/settings.xml: added setting_disk_cache_clear_key constant
- res/values/strings.xml: added different disk cache clear preference
related constants
- res/xm/settings.xml: added cache clear category and disk cache clear
option