Method run

Samples/AndroidJNI/AndroidTextureOES.java:146–191

()

    private Runnable renderer = new Runnable() {
        @Override
        public void run() {
            if (renderSessionPaused) {
                return;
            }

            if (!windowCreated && lastSurface != null) {
                windowCreated = true;

                if (!sceneCreated) {
                    ogre.initAppForAndroid(getAssets(), lastSurface);
                    initializeScene();

                    if (ContextCompat.checkSelfPermission(AndroidTextureOES.this, Manifest.permission.CAMERA)
                            == PackageManager.PERMISSION_DENIED)
                    {
                        ActivityCompat.requestPermissions(AndroidTextureOES.this, new String[] {Manifest.permission.CAMERA}, 100);
                    }

                    final android.hardware.Camera camera = android.hardware.Camera.open();
                    try {
                        cameraTexture = new SurfaceTexture((int) textureId);
                        camera.setPreviewTexture(cameraTexture);
                        final android.hardware.Camera.Parameters params = camera.getParameters();
                        final android.hardware.Camera.Size size = params.getSupportedPreviewSizes().get(0);
                        params.setPreviewSize(size.width, size.height);
                        camera.setParameters(params);
                        camera.startPreview();
                    } catch (Exception e) {
                        throw new RuntimeException("An error occurred during camera preview initialization");
                    }
                } else {
                    ogre.getRenderWindow()._notifySurfaceCreated(lastSurface);
                }

                handler.post(this);
                return;
            }

            if (windowCreated) {
                cameraTexture.updateTexImage();
                ogre.getRoot().renderOneFrame();
            }

            handler.post(this);
        }
    };
}