Please provide a a full example

[dineshmm23]

Give me error for new SimpleCameraActivity.Builder() is abtsract.

@OnClick(R.id.btn_camera)
    public void onBtnCameraClicked() {
        new SimpleCameraActivity.Builder() {
            @Override
            public Intent build(Context context) {
                return null;
            }

            @Override
            public void startForResult(Activity activity, int i) {

            }
        }
                .frontFacingCamera(false)
                .size(SimpleCameraFragment.Size.AVATAR)
                .startForResult(this, PICTURE_CODE);
    }

I tried to run the code without onActivityResult(int requestCode, int resultCode, Intent data) but wasn't able open camera.
I don't how to implement your library without an proper example .
Please help me here.

[dineshmm23]

public void onClick(View view) {

    Intent simpleCameraIntent = new Intent(context, SimpleCameraActivity.class)
            .putExtra(EXTRA_START_WITH_FRONT_FACING_CAMERA, frontFacingCamera)
            .putExtra(EXTRA_DIR, dir.getPath())
            .putExtra(EXTRA_FILENAME, fileName)
            .putExtra(EXTRA_SIZE, SimpleCameraFragment.Size.NORMAL.ordinal());
}

GIve me error for dir.getPath() and filename and unable to start the activity;
Here I don't know what type of attribute should I use and should add to activity to manifest if yes then how can I add?
How to start this activity?