[Xamarin.Android] Using OpenCV Library
Why Stack Overflow recommends it
Stack Overflow users cite it as the tutorial they followed for integrating OpenCV into Xamarin.Android, usually when asking about errors that came up afterwards.
Recommended by 0 people across 0 different months, 2015 to 2019.
What it is
A short screencast showing how to bind and use the OpenCV for Android library inside a Xamarin.Android app. The presenter walks through the setup and links the source code on GitHub, noting the OpenCV jar was built with Eclipse.
What people said
Cites Rym G · 2015-07 · Stack Overflow · on “Java.Lang.UnsatisfiedLinkError exexption in Xamarin.android while trying to integrate Opencv”
I'm new to Xamarin and I've been trying to integrate Opencv to Xamarin.android. I'm following this tutorial: [this video] Whenever I run the app, I always get this error: [monodroid] Using override path: /data/data/com.companyname.opencv4android/files/.__override__ [monodroid] Trying to load sgen from: /data/data/com.companyname.opencv4android/files/.__override__/libmonosgen-2.0.so [monodroid] Trying to load sgen from: /storage/sdcard/Android/data/com.companyname.opencv4android/files/.__override__/libmonosgen-2.0.so [monodroid] Trying to load sgen from: /data/app-lib/com.companyname.opencv4android-1/libmonosgen-2.0.so [monodroid] Trying to load sgen from: /data/data/com.companyname.opencv4android
Cites XTL · 2015-10 · Stack Overflow · on “OpenCV 3.0.0 Android native method not found: org.opencv.core.Mat.n_Mat:()J”
I'm using native android Opencv 3.0.0 library for Xamarin.Android via Android Java Bindings Library . I'm doing pretty same like this Tutorial [this video] and the problem is that i got this exception Native method not found: org.opencv.core.Mat.n_Mat:()J What can i do to resolve this problem? Any help will be appreciated,thanks! My source code of Main Activity : public class MainActivity : Activity { Mat m; Mat grayM; ImageView imageView; public MainActivity() { if (!OpenCVLoader.InitDebug()) { System.Console.WriteLine("GG"); } } protected override void OnCreate(Bundle bundle) { base.OnCreate(bundle); SetContentView(Resource.Layout.Main); Button button = FindViewById<Button>(Resource.Id.myButton
Cites Furqan Ali Khan · 2019-10 · Stack Overflow · on “Opencv C++ "VideoCapture.open()" is always returning false in Android (Xamarin Android)”
After making an Object and initializing it with the path of mpej/avi/mp4, I am always getting "false" in "obj.isOpened()". Always getting the false flag in it no matter what you put in open function as input parameter. I am working in Xamarin Android. The code is pretty straight forward but I have no idea why it is not working. Using the following tools: 1) VS2017 2) Xamarin Android (Binding OpenCV project with Xamarin Android App. Used this link [this video] ) 3) Opencv c++ 4.0.1-1.4.4,jar I have tried the following 1) Give all permissions from Android Manifest 2) Used following as input parameters **a)** Link **b)** 0 , -1 , 2......5000 **c)** Local file from assets folder as well as Resource->