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Mastering OpenCV Android Application Programming

You're reading from   Mastering OpenCV Android Application Programming Master the art of implementing computer vision algorithms on Android platforms to build robust and efficient applications

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Product type Paperback
Published in Jul 2015
Publisher
ISBN-13 9781783988204
Length 216 pages
Edition 1st Edition
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Toc

Implementing on Android


Open the LensActivity.java file. First, we will declare and initialize our Button and ImageView. Then, will add onClickListener to the button. We will call the ImageCapture intent, which will open the camera app to click on the image as follows:

ivImage = (ImageView)findViewById(R.id.ivImage);
Button bClickImage, bLoadImage;

bClickImage = (Button)findViewById(R.id.bClickImage);
bLoadImage = (Button)findViewById(R.id.bLoadImage);

bClickImage.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        Intent intent = new 
        Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        errorMsg = null;
        File imagesFolder = new File(FILE_LOCATION);
        imagesFolder.mkdirs();
        File image = new File(imagesFolder, "image_10.jpg");
        fileUri = Uri.fromFile(image);
        Log.d("LensActivity", "File URI = " + fileUri.toString());
        intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); 

        // start the...
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