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Android: How to make a ListActivity with BaseAdapter

开发者 https://www.devze.com 2023-03-20 22:06 出处:网络
I\'m trying to make a LIstActivity with a BaseAdapter, that displays just six EditText in vertical order, but stuck at displaying items. Can anybody give me an advice for this? Below is my code and la

I'm trying to make a LIstActivity with a BaseAdapter, that displays just six EditText in vertical order, but stuck at displaying items. Can anybody give me an advice for this? Below is my code and layout.

Code:

public class FollowMe extends ListActivity {
private FollowMeAdapter2 mFMA;
private EditText[] et_list = new EditText[6];

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    for(int i=0; i<et_list.length; i++){
        et_list[i] = new EditText(this);
    }

    mFMA = new FollowMeAdapter2(this, et_list);
    setListAdapter(mFMA);
}

public class FollowMeAdapter2 extends BaseAdapter {
    private EditText[] et;
    private Context mContext;

    public FollowMeAdapter2(Context context, EditText[] et){
        this.mContext = context;
        this.et = et;
    }

    public int getCount() {
        // TODO Auto-generated method stub
        return 0;
    }

    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return null;
    }

    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return 0;
    }

    public View getView(int position, View convertView, ViewGroup parent) {
        View view = convertView;
        ViewHolder viewHolder;

        if (convertView == null){
            LayoutInflater layoutInflater = (LayoutInflater)this.mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            view = layoutInflater.inflate(R.layout.row_follow_me, null);

            viewHolder = new ViewHolder();
            viewHolder.et = (EditText) view.findViewById(R.id.editText1);

            view.setTag(viewHolder);
        }else{
            viewHolder = (ViewHolder) view.getTag();
        }

   开发者_JS百科     return view;
    }

    public class ViewHolder{
        public EditText et;
    }
}

}

Layout: row_follow_me.xml for getView method


    <LinearLayout
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content">
        <EditText android:text="EditText" android:id="@+id/editText1"     android:layout_width="wrap_content" android:layout_height="wrap_content">
    </LinearLayout>


just replace this code and check

   public int getCount() {
        // TODO Auto-generated method stub
        return et.size();
    }

    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return position;
    }

    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return position;
    }
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