adpter ---多个按钮点击，单选，选中 变色

public class SelectTagAdapter extends BaseAdapter {
    private Context context;
    private String[] data;
    private int selectPosition;
    private boolean selected = false;

    public void setSelectPosition(int selectPosition) {
        selected = true;
        this.selectPosition = selectPosition;
    }

    public SelectTagAdapter(Context context, String[] data) {
        this.context = context;
        this.data = data;
    }

    @Override
    public int getCount() {
        return data==null?0:data.length;
    }

    @Override
    public Object getItem(int position) {
        return data[position];
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    private class ViewHoler{
        private TextView tv;
        private LinearLayout ll;
    }

    public int getSelectPosition() {
        return selectPosition;
    }

    public boolean isSelected() {
        return selected;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHoler holer;
        if (convertView == null){
            holer = new ViewHoler();
            convertView = View.inflate(context, R.layout.item_select_tag_grv,null);
            holer.tv = ((TextView) convertView.findViewById(R.id.item_select_tag_tv));
            holer.ll = ((LinearLayout) convertView.findViewById(R.id.item_select_tag_ll));
            convertView.setTag(holer);
        }else{
            holer = (ViewHoler) convertView.getTag();
        }
        holer.tv.setText(data[position]);
        if (selected && selectPosition == position){
            holer.ll.setSelected(true);
            holer.tv.setTextColor(Color.parseColor("#ffffff"));
        }else{
            holer.ll.setSelected(false);
            holer.tv.setTextColor(Color.parseColor("#999999"));
        }

        return convertView;
    }
}


xml：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <LinearLayout
        android:gravity="center"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <LinearLayout
            android:id="@+id/item_select_tag_ll"
            android:gravity="center"
            android:background="@drawable/select_tag_bg"
            android:layout_width="@dimen/dimen_78dp"
            android:layout_height="@dimen/dimen_28dp">
            <TextView
                android:id="@+id/item_select_tag_tv"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="已接听"
                android:textColor="#999999"
                android:textSize="@dimen/text14" />
        </LinearLayout>
    </LinearLayout>
</LinearLayout>

select_tag_bg:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_selected="true" android:drawable="@drawable/bg_ff5722_radius_15dp"/>
    <item android:state_selected="false" android:drawable="@drawable/bg_white_radius_15dp"/>
</selector>