In android studios go to res/drawable and add the photos you want to use there.
Here’s how to do that : How to add an image to the “drawable” folder in Android Studio?
Then you initialize the photos with :
private ImageView schoolPhoto;
schoolPhoto = (ImageView) findViewById(R.id.imageViewId);
schoolPhoto.setImageResource(R.drawable.imageFileId);
Then you can create a method with toast which is often used for hints:
public static displayHint( ImageView imageHint) {
Toast toast = new Toast(this);
toast.setView(imageHint);
toast.show();}
And run that method as displayHint(schoolPhoto)
when you show the string.
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