code for given image to round the corner is android xml code example
Example 1: round corner imageview android
<com.makeramen.roundedimageview.RoundedImageView
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/imageView1"
android:src="@drawable/photo1"
android:scaleType="fitCenter"
app:riv_corner_radius="30dip"
app:riv_border_width="2dip"
app:riv_border_color="#333333"
app:riv_mutate_background="true"
app:riv_tile_mode="repeat"
app:riv_oval="true" />
Example 2: round corner imageview android
Transformation transformation = new RoundedTransformationBuilder()
.borderColor(Color.BLACK)
.borderWidthDp(3)
.cornerRadiusDp(30)
.oval(false)
.build();
Picasso.with(context)
.load(url)
.fit()
.transform(transformation)
.into(imageView);