android項目複雜的listview

標籤：

    private class AppAdapter extends BaseAdapter {        @Override        public int getCount() {            // TODO Auto-generated method stub            return userApp.size()+sysApp.size()+2;        }        @Override        public Object getItem(int arg0) {            // TODO Auto-generated method stub            return arg0;        }        @Override        public long getItemId(int arg0) {            // TODO Auto-generated method stub            return arg0;        }        @Override        public View getView(int position, View arg1, ViewGroup arg2) {            AppInfo app ;            //判斷當前位置是不是第一個，如果是返回出去一個textview            if (position==0) {                TextView tv = new TextView(AppManagerActivity.this);                tv.setText("使用者程式("+userApp.size()+")");                tv.setTextColor(Color.WHITE);                return tv;                //判斷當前位置是不是用來顯示下一個textview的位置，就是使用者程式集合+1            }else if(position==userApp.size()+1){                TextView tv = new TextView(AppManagerActivity.this);                tv.setText("系統程式("+sysApp.size()+")");                tv.setTextColor(Color.WHITE);                return tv;                //判斷位置是不是用來顯示使用者程式的位置            }else if(position<=userApp.size()){                app = userApp.get(position-1);                //最後就是用來顯示系統程式的位置            }else{                app = sysApp.get(position-userApp.size()-2);            }                                        View v = null;            ViewHolder viewHolder = null;            //進行校正，緩衝必須是linearlayout的子類,            if (arg1 != null&&arg1 instanceof LinearLayout) {                v = arg1;                viewHolder = (ViewHolder) v.getTag();            } else {                v = View.inflate(AppManagerActivity.this,                        R.layout.item_app_show, null);                viewHolder = new ViewHolder();                viewHolder.tv_name = (TextView) v                        .findViewById(R.id.app_item_tv_name);                viewHolder.tv_location = (TextView) v                        .findViewById(R.id.app_item_tv_location);                viewHolder.img_icon = (ImageView) v                        .findViewById(R.id.app_item_img_icon);                // 對應關係一致                v.setTag(viewHolder);            }            viewHolder.img_icon.setImageDrawable(app.getIcon());            viewHolder.tv_name.setText(app.getName());            if (app.isRow()) {                viewHolder.tv_location.setText("內部儲存程式");            } else {                viewHolder.tv_location.setText("外部儲存程式");            }            return v;        }    }    static class ViewHolder {        ImageView img_icon;        TextView tv_name;        TextView tv_location;    }

 

android項目複雜的listview