java - Image view setBackground is not acting properly -

i have class makes me imagebutton. image button contains image view, tow text view , button.

i put width in image view, , if put xml 1 image background, works properly, if java code don't works, acts src atribute.

(the image being shown if has no width, src, , not backgorund).

this java code:

public class miboton extends relativelayout{  protected int idimagen; protected string nomproducte; protected double preuproducte; protected string spreuproducte; //protected mainactivity maprincipal;  public miboton(context context, int imgimageresource, string sname, double iprice){      super(context);     this.idimagen = imgimageresource;     this.nomproducte = sname;     this.preuproducte = iprice;     this.spreuproducte = double.tostring(iprice) + " €";       layoutinflater inflater = (layoutinflater) context             .getsystemservice(context.layout_inflater_service);     inflater.inflate(r.layout.products, this, true);      imageview imageproduct = (imageview)findviewbyid(r.id.imatgeproducte);     textview productname = (textview)findviewbyid(r.id.nomproducte);     productname.settextsize(10);      textview productprice = (textview)findviewbyid(r.id.preuproducte);       drawable new_image= getresources().getdrawable(imgimageresource);     imageproduct.setbackground(new_image);     // imageproduct.setbackgroundresource(imgimageresource);     productname.settext(sname);     productprice.settext(spreuproducte);       button btnpedir = (button)findviewbyid(r.id.btnpedir);   }   public int getidimagen() { return idimagen; } public string getnomproducte() { return nomproducte; } public double getpreuproducte() { return preuproducte; }  } 

this xml code:

<?xml version="1.0" encoding="utf-8"?>        <relativelayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/mi_boton_layout" >  <imageview     android:id="@+id/imatgeproducte"     android:layout_width="200dp"     android:layout_height="wrap_content"     android:layout_margintop="20dp"     android:clickable="true"     /> <textview     android:id="@+id/nomproducte"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_below="@+id/imatgeproducte"     android:textsize="14sp"     /> <textview     android:id="@+id/preuproducte"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_below="@+id/nomproducte"     android:textsize="14sp"     /> <button     style="@style/btnstylegenoa"     android:layout_width="wrap_content"     android:layout_height="32dp"     android:text="demanar"     android:textsize="10dp"     android:id="@+id/btnpedir"     android:layout_below="@+id/preuproducte"     /> </relativelayout> 

use method:

imageproduct.setimagedrawable(new_image);