Sub Globals
    Dim cvsActivity As Canvas
End Sub
Sub Activity_Create(FirstTime As Boolean)
    cvsActivity.Initialize(Activity)
End Sub
Sub Activity_Resume
    Dim i As Int
    Dim r As Rect
    Dim imgW, imgH, x, y As Int
    
    imgW = 50%x
    imgH = imgW / 3 * 2        ' image ratio W/H = 3/2
    For i = 0 To 3
        x = (i Mod 2) * imgW
        y = Floor(i / 2) * imgH
        r.Initialize(x, y, x + imgW, y + imgH)
        cvsActivity.DrawBitmap(LoadBitmap(File.DirAssets, "image" & i & ".jpg"), Null, r)
    Next
End Sub