Listview item 按不下去問題

發生情況就是

protected void onListItemClick(ListView l, View v, int position, long id) 

............沒回應.
但點BUTTON有回應.

http://stackoverflow.com/questions/7274231/listfragment-onlistitemclick-not-being-called
SOLUTION:

xml version="1.0" encoding="utf-8"?>

    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/cluster_layout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:background="#e0e0e0"
    android:clickable="false"
    android:descendantFocusability="blocksDescendants" >

    
        android:id="@+id/cluster_sentiment_handle"
        android:layout_width="40dp"
        android:layout_height="match_parent"
        android:background="@color/handle_red" />