shre image to activty

MainActivity.java

Intent intent = getIntent();
String action = intent.getAction();
String type = intent.getType();

   
if (Intent.ACTION_SEND.equals(action)) {
      if (type != null) {
            Uri imageUri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
            if (imageUri != null) {
                imageView.setImageURI(imageUri);
                generatePalette();
            } else {
                errorMessage();
            }
         } else {
            errorMessage();    
      }
 }