Question

我从我的数据库中提取一些数据并让它正确填充TextView。我遇到的问题是，当我点击列表中的按钮时按钮什么都不做。我在onClick中添加了代码完成，但按钮没有响应。我查看了其他堆栈帖子并尝试了解决方案，但它们无法正常工作。我确信这是我遗漏的明显事实。这是我的代码

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

<TableRow
    android:id="@+id/visitorNotLeft"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" >

    <TextView
        android:id="@+id/names"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:text="" />

    <TextView
        android:id="@+id/companies"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:text="" />

    <Button
        android:id="@+id/timeOut"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:focusable="false" 
        android:focusableInTouchMode="false"
        android:descendantFocusability="blocksDescendants"
        android:layout_weight="1"
        android:text="@string/timeOut" />

</TableRow>

    @Override
protected void onListItemClick(ListView l, View v, int position, long id) {
    // TODO Auto-generated method stub
    super.onListItemClick(l, v, position, id);

    timeOut = (Button)v.findViewById(R.id.timeOut);
    timeOut.setTag(position);
    timeOut.setFocusable(false);
    timeOut.setFocusableInTouchMode(false);
    timeOut.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View arg0) {
            finish();

        }

    });
}

这是我的适配器代码

        @Override
    protected void onPostExecute(String result) {
        // TODO Auto-generated method stub

        ListAdapter adapter = new SimpleAdapter(GetDataFromDB.this,
                productsList, R.layout.list_of_visitors_not_signed_out,
                new String[] { TAG_NAME, TAG_COMPANY }, new int[] {
                        R.id.names, R.id.companies });
        // updating listview
        setListAdapter(adapter);

    }

如果您希望我添加更多代码，请与我联系。

Answer 1

尝试使用此代码并以任何不明显的方式为我提供回馈

ListAdapter adapter = new SimpleAdapter(GetDataFromDB.this, productsList, R.layout.list_of_visitors_not_signed_out,
    new String[] { TAG_NAME, TAG_COMPANY }, new int[] {
            R.id.names, R.id.companies }){
             public View getView(int position, View convertView, android.view.ViewGroup parent) {
   View v = super.getView(position, convertView, parent);
   Button buttonObject= (Button)v.findViewById(R.id.timeOut);
   buttonObject.setOnClickListener(new View.OnClickListener(){

          public void onClick(View v) {

          // Write your code here
        }
    });
    return v;
   }
  };

 // updating listview
 setListAdapter(adapter);'

Answer 2

您应该在getView overriden函数中创建onClickListener。见下面的例子：

@Override
public View getView(int position, View convertView, ViewGroup parent) 
{
    LayoutInflater inflater = (LayoutInflater) context
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    View rowView = inflater.inflate(R.layout.item, parent, false);

    TextView text = (TextView) rowView.findViewById(R.id.text);
    Button myButton = (Button) rowView.findViewById(R.id.mybutton);

    myButton.setOnClickListener(new OnClickListener() 
    {
        @Override
        public void onClick(View v) 
        {
            // Do something             
        }
    });


    return rowView;
}

listAdapter中的按钮不起作用

2 个答案: