app crashed when button clicked

[sadegh-q]

No implementation found for long org.opencv.core.Mat.n_Mat(int, int, int) (tried Java_org_opencv_core_Mat_n_1Mat and Java_org_opencv_core_Mat_n_1Mat__III)

[sulavtimsina]

I faced the same issue when i followed your tutorial at https://heartbeat.fritz.ai/a-guide-to-preparing-opencv-for-android-4e9532677809 . Are you going to address it?