SVG image is not shown in dynamically added layout

Here is my simplest reproducible example: I have a linear layout cell.xml which is dynamically inflated into a parent activity_main.xml layout in the onCreate method:

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

    val linearLayout = findViewById<LinearLayout>(R.id.linearLayout)
    val cell = layoutInflater.inflate(R.layout.cell, linearLayout, false)
    val iv = cell.findViewById<ImageView>(R.id.image_cell)
    iv.load("file:///android_asset/any.svg")
    linearLayout.addView(cell)
}

My activity_main.xml:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/linearLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">
</LinearLayout>

My cell.xml:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/image_parent"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <ImageView
        android:id="@+id/image_cell"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="center"
        android:contentDescription="@+string/desc"
        android:gravity="center"/>
</LinearLayout>

The svg displays correctly if I use attribute android:layout_height="wrap_content" inside the image view, but it won’t display the svg image if android:layout_height="match_parent" is used instead. For the record, I need the image_parent linear layout to have android:layout_height="match_parent" because the actual layouts of both xml’s contain some background drawables which eventually require the height attribute of image_parent to be set to match_parent.

I believe this problem applies to any svg, but if you cannot reproduce the issue please let me know, I will upload one svg file which I used.

[neoh-zz]

I agree that the issue stems from the 0 height measured when the image is loaded (changing match_parent in activity_main.xml does not work). My views are actually dynamically added, cell.xml is just a cell of a table layout, whose cell widths are programmatically calculated. Currently I can solve this problem by (i) use android:layout_height=wrap_content instead of android:layout_height=match_parent in the imageView, or (ii) force trigger the imageView to redraw by calling invalidate() in OnGlobalLayoutListener() whenever the view bounds are newly calculated. The second solution is probably the safest way to go.

[colinrtwhite]

@neoh-zz Circling back on this. I think this might be caused by your layout being measured as 0 height due to your LinearLayout being set to android:layout_height="wrap_content" in activity_main.xml. Does it work if you change it to match_parent? Optionally, you could set android:scaleType="centerCrop" on your ImageView.