Android Listview项目颜色更改

Question

I have the following list adapter that uses an inflater, I've tried adding the color change here but it changes every item not just the one clicked.

private class ListAdapter extends ArrayAdapter<jsonData>{

    private List<jsonData> jList;

    public ListAdapter(Context context, int resource,List<jsonData> jList) {
        super(context, resource, jList);
        this.jList = jList;
    }
         public View getView(int position, View convertView, ViewGroup parent) {
                View v = convertView;

                if (v == null) {
                    LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                    v = vi.inflate(R.layout.listviewact_layout, null);
                            v.setBackgroundResource(R.layout.list_selector);
                }

                jsonData jd = jList.get(position);

                if (jd != null) {             
                    TextView name = (TextView) v.findViewById(R.id.memberName);
                    TextView dateJoined = (TextView) v.findViewById(R.id.dateJoined);
                    if (name != null) {
                        name.setText("Member Name: " + jd.name);
                    }
                    if (dateJoined != null) {
                        dateJoined.setText("Joined: " + getNewDate(jd.joined));
                    }
                }

                return v;
            }

I am able to get the item position also, most of it works fine except the colors. I also tried adding a resource file for the selector, but I get the same result.

UPDATE: This seems to work. I have a glitch though when I scroll the item colors go crazy.

            public void onItemClick(AdapterView<?> parent, View view, int position,
                long id) {          

            if(selectedItemPosition != position){
                //Resets old item to original color
                parent.getChildAt(selectedItemPosition).setBackgroundColor(Color.BLACK);
                view.setBackgroundColor(Color.BLUE);                    
                selectedItemPosition = position;
            }               
        }

Answer 1

use android:listSelector not android:background for adding selector xml file to ur listview

         <ListView
            android:id="@+id/list"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:listSelector="@drawable/list_selector">
        </ListView>

Try this selector xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_enabled="true" 
 android:state_pressed="true" android:drawable="@color/android:blue" />
<item android:state_enabled="true"
 android:state_focused="true" android:drawable="@color/android:transparent" />
<item
 android:drawable="@color/android:black" />

Answer 2

view.setbackground();

Changes the background of entire list .since your view points to that list not a field in that list.
try this

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_focused="true" android:drawable="@color/black" /> <!-- focused -->
    <item android:state_focused="true" android:state_pressed="true" android:drawable="@color/black" /> <!-- focused and pressed-->
    <item android:state_pressed="true" android:drawable="@color/green" /> <!-- pressed -->
    <item android:drawable="@color/black" /> <!-- default -->
</selector>