btTirarFoto.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
            startActivityForResult(intent, 0);


        }
    });

    @Override
public void onActivityResult(int requestCod, int resultCode, Intent data){
    if (data != null){
        Bundle bundle = data.getExtras();
        if (bundle != null){
            Bitmap img = (Bitmap) bundle.get("data");

            campoImg1.setVisibility(View.VISIBLE);

            campoImg1.setImageBitmap(img);


        }
    }
}