MainActivity.java: public class MainActivity extends AppCompatActivity void onCreate(Bundle savedInstanceState) ) ĬtNotificationUri(Objects.requireNonNull(getContext()). I tried creating Json file and stored it inside the same directory where I have stored my stickers but it was of no use. The maximum image file size you can use is 4 MB. Use image with GIF format / extension to create animated sticker. Use image with JPG, PNG and WEBP format / extension to create normal sticker. Next, click SELECT IMAGE button to choose image or photo. On clicking recycler view I am storing the images from firebase into my app external directory but I dont know how to expose these stickers that are stored inside my app directory to WhatsApp. Open wasticker.app using web browser application on your PC or Laptop. Each recycler view contains list of stickers from each sticker pack. Hey guys I am creating a WhatsApp sticker app that fetch stickers from Firebase cloud Firestore and display it into recycler view.

Creating whatsapp stickers