Image View not Wrapping Contents

Add the following fields to ImageView:

android:scaleType="fitXY"
android:adjustViewBounds="true"

To display original image size in Imageview write down following. android:layout_height="wrap_content" and android:adjustViewBounds="true" do the job. No need to set ScaleType.

<ImageView
     android:id="@+id/iv_QuestionImage"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_margin="10dp"
     android:adjustViewBounds="true"
     android:src="@drawable/ic_app_icon_512"
     android:visibility="gone"
     app:layout_constraintLeft_toLeftOf="parent"
     app:layout_constraintRight_toRightOf="parent"
     app:layout_constraintTop_toTopOf="parent" />