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cv2 It cannot run on Android. #3156

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@rcnn-retall

Description

@rcnn-retall

Software Versions

  • Python: python3
  • OS:Android
  • Kivy: /
  • Kivy installation method:

Describe the bug
A clear and concise description of what the bug is.

The issue tracker is a tool to address bugs only (search known bugs: https://git.io/vM1iE).
Please use the #support Discord channel at https://chat.kivy.org/ or Stack Overflow for
support questions, more information at https://git.io/vM1yQ.

Expected behavior
A clear and concise description of what you expected to happen.
[WARNING] stderr: Traceback (most recent call last):
[WARNING] stderr: File "/root/kivy_installer/.buildozer/android/app/main.py", line 5, in
[WARNING] stderr: File "/root/kivy_installer/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/python-installs/myapp/arm64-v8a/cv2/init.py", line 181, in
[WARNING] stderr: File "/root/kivy_installer/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/python-installs/myapp/arm64-v8a/cv2/init.py", line 111, in bootstrap
[WARNING] stderr: File "/root/kivy_installer/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/python-installs/myapp/arm64-v8a/cv2/init.py", line 109, in load_first_config
[WARNING] stderr: ImportError: OpenCV loader: missing configuration file: ['config.py']. Check OpenCV installation.
To Reproduce
A short, runnable example that reproduces the issue with latest kivy master.

Code and Logs and screenshots

// REPLACE ME: Paste your code and logs here, a template can be found at https://git.io/vM1id.
from kivy.app import App
from kivy.uix.image import Image
from kivy.clock import Clock
from kivy.graphics.texture import Texture
import cv2


class Re_App(App):
    def __init__(self):
        super(Re_App, self).__init__()
        self.apt = cv2.VideoCapture(0)
        self.body = Image()
    def build(self):
        return self.body

    def on_start(self):
        Clock.schedule_interval(self.update, 1/30)

    def update(self, dt):

        is_code, image = self.apt.read()

        width, height = image.shape[1], image.shape[0]
        texture1 = Texture.create(size=(width, height))
        texture1.blit_buffer(image.tobytes(), colorfmt='bgr')

        self.body.texture = texture1

Re_App().run()

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