How do I make android imageview square?

android, imageview

Solution

The best way for square image is use ConstraintLayout with constraintDimensionRatio Without give fix height/width.

  <android.support.constraint.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    <ImageView
        android:id="@+id/image"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintDimensionRatio="H,1:1"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    </android.support.constraint.ConstraintLayout>

Problem

I'm using an `ImageView` in an Android project. Width: `match_parent` Height: `wrap_content` then I scale it to `fill_XY`, but the image is not square yet... what can I do?

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