allprojects {
 repositories {
  ...
  maven { url "https://jitpack.io" }
 }
}

dependencies {
       compile 'com.github.chathuralakmal:AndroidImagePopup:1.2.2'
}

ImagePopup imagePopup = new ImagePopup(this); 

 /** Set popup height, width & background color as you need or just leave default settings **/
 
 Picasso.setSingletonInstance(new Picasso.Builder(this).build()); // Only needed if you are using Picasso

 final ImagePopup imagePopup = new ImagePopup(this);
 imagePopup.setWindowHeight(800); // Optional
 imagePopup.setWindowWidth(800); // Optional
 imagePopup.setBackgroundColor(Color.BLACK);  // Optional
 imagePopup.setFullScreen(true); // Optional
 imagePopup.setHideCloseIcon(true);  // Optional
 imagePopup.setImageOnClickClose(true);  // Optional

 ImageView imageView = (ImageView) findViewById(R.id.imageView);
 
 imagePopup.initiatePopup(imageView.getDrawable()); // Load Image from Drawable
 

 imageView.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View view) {
      /** Initiate Popup view **/
   imagePopup.viewPopup();

  }
 });

val imagePopup = ImagePopup(myContext)
    imagePopup.initiatePopup(imageView.drawable) // Load Image from Drawable
    imageView.setOnClickListener {
        imagePopup.viewPopup();
    }

// supprot string url for image 
initiatePopupWithPicasso(imageUrl);

// supprot Uri for image 
initiatePopupWithPicasso(imageUri);

// supprot File for image 
initiatePopupWithPicasso(imageFile);

// supprot string url for image 
initiatePopupWithGlide(imageUrl);