True Offline Maps for Android

04 December 2012 by Jonathan Baker

Today we added a much anticipated feature to our Android client that now allows users to save time and bandwidth. Previously in order to utilize true offline maps on Android, each map would have to be uploaded to your account, and then downloaded back down to each device. This presents challenges for users with limited to zero Internet connectivity.

Offline map support

To solve this, we have added the ability to tell the Fulcrum Android application about MBTiles files that exist locally on your device. This grants users and organizations the flexibility to determine how the actual file gets on the device. Whether it is a direct transfer from computer to device via USB, or downloading the file from a network location, as long as you can get the file on the device, you can use it.

Once you copy or download the MBTiles file to your Android device, launch Fulcrum and navigate to the basemap selection screen that you are already familiar with. You will notice a new menu item in the top right corner labeled “Add Offline Basemap”. Simply tap this and you will be displayed a file explorer type screen.

Then, navigate through your device’s file system to the location where you placed the file. Note that in order for the file to be listed, it must have the “.mbtiles” file extension. Once found, tap the filename and you will be taken back to the basemap selection screen. Your new offline basemap will be listed. Simply select it from the list and you’re ready to collect some data!

To remove a basemap that you added via this method, all you need to do is delete the MBTiles file. Fulcrum will recognize it is no longer present and remove it from the list.

About the author

Jonathan worked as a mobile software developer, handling our Android and iOS applications.

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