We have just launched our new "Creating a TapFly and ActiveTrack Missions Application" tutorials for both iOS & Android Mobile SDK. This tutorial will introduce you how to control your Phantom 4 to use TapFly and ActiveTrack Missions. You will also get familiar with DJIMissionManager and using the Simulator of DJI Assistant 2 for testing.
Here are the Github links:
iOS : https://github.com/DJI-Mobile-SDK/iOS-Phantom4Missions
Android : https://github.com/DJI-Mobile-SDK/Android-Phantom4Missions
If you come across any mistakes or bugs in this tutorial, please let us know using a Github issue, a post on the DJI Forum, DJI Dev Forum or email us(email@example.com). Please feel free to send us Github pull request and help us fix any issues.
DJI Dev Team