auto fitting doesn't work in Android

<zk>
    Grid:
    <separator />
    <grid>
        <columns sizable="true">
            <column label="aaa"/>
            <column label="bbbb bbbb"/>
            <column label="ccccccc ccc"/>
            <column label="dddd"/>
        </columns>
        <rows>
            <row>
                <label value="CLICK here to shorten label" onClick='self.setValue("SHORT")' />
                <label value="value B" />
                <label value="value C" />
                <label value="value D" />
            </row>
            <row>
                <label value="value A" />
                <label value="value B" />
                <label value="value C" />
                <label value="value D" />
            </row>
        </rows>
    </grid>
    <separator />
    Listbox:
    <separator />
   <listbox>
      <listhead sizable="true">
         <listheader label="aaa"/>
         <listheader label="bbbb bbbb"/>
         <listheader label="ccccccc ccc"/>
         <listheader label="dddd"/>
      </listhead>
      <listitem>
         <listcell label="CLICK here to shorten label" onClick='self.setLabel("SHORT")'/>
         <listcell label="value B"/>
         <listcell label="value C"/>
         <listcell label="value D"/>
      </listitem>
      <listitem>
         <listcell label="value A"/>
         <listcell label="value B"/>
         <listcell label="value C"/>
         <listcell label="value D"/>
      </listitem>
   </listbox>
    <separator />
    Listbox:
    <separator />
    <tree>
        <treecols sizable="true">
            <treecol label="aaa"/>
            <treecol label="bbbb bbbb"/>
            <treecol label="ccccccc ccc"/>
            <treecol label="dddd"/>
        </treecols>
        <treechildren>
            <treeitem>
                <treerow>
                    <treecell label="2. CLICK here to shorten label" onClick='self.setLabel("SHORT")'/>
                    <treecell label="value B"/>
                    <treecell label="value C"/>
                    <treecell label="value D"/>
                </treerow>
                <treechildren>
                    <treeitem>
                        <treerow>
                            <treecell label="value A"/>
                            <treecell label="value B"/>
                            <treecell label="value C"/>
                            <treecell label="value D"/>
                        </treerow>
                    </treeitem>
                </treechildren>
            </treeitem>
        </treechildren>
    </tree>
</zk>