在WebView中点击表单字段不显示软键盘

webView.setWebChromeClient(new WebChromeClient() {
    @Override
    public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, FileChooserParams fileChooserParams) {
        // Check and request runtime camera permission if needed
        if (ActivityCompat.checkSelfPermission(activity, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA_PERMISSION);
            return false;
        }

        // Open the camera or file browser based on the request from JavaScript
        mUploadMessage = filePathCallback;
        Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        if (takePictureIntent.resolveActivity(activity.getPackageManager()) != null) {
            File photoFile = null;
            try {
                photoFile = createImageFile();
                takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
                activity.startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO);
            } catch (IOException ex) {
                Log.e(TAG, "Unable to create Image File", ex);
            }
        }

        return true;
    }
});