[Java/Android] Get Screen Width and Height (DisplayMetrics)

getScreenWidthAndHeight.java

DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);

// With Picasso
Picasso .with(this)
        .load(pictureURI)
        .resize(metrics.widthPixels, metrics.heightPixels)
        .centerCrop()
        .into(imageView);