我有一个列表视图与sublistView项目,我参考Using lists in Android(15.2。ExpandableListView示例)。在onChildClickListener中使用意图找不到方法
我可以通过Toast和显示获得每个列表项的点击。
convertView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(activity, children,
Toast.LENGTH_SHORT).show();
}
但是,当我想在childClick中使用意图时,我收到一个错误:cannot find symbol method startActivity(Intent)
。
下面是我的课:
public class MyExpandableListAdapter extends BaseExpandableListAdapter {
//Some sort of class code in here...
@Override
public View getChildView(int groupPosition, final int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
final String children = (String) getChild(groupPosition, childPosition);
TextView text = null;
if (convertView == null) {
convertView = inflater.inflate(R.layout.listrow_details, null);
}
text = (TextView) convertView.findViewById(R.id.textView1);
text.setText(children);
convertView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//11 group position exist, each has 5 child
switch ((groupPosition)){
case 0:
if (childPosition == 0) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(Uri.parse("market://details?id=editors_choice"));
startActivity(intent); //cannot find symbol method startActivity(Intent)
} else if (childPosition == 1) {
Toast.makeText(activity, "2",
Toast.LENGTH_SHORT).show();
} else if (childPosition == 2) {
Toast.makeText(activity, "3",
Toast.LENGTH_SHORT).show();
} else if (childPosition == 3) {
Toast.makeText(activity, "4",
Toast.LENGTH_SHORT).show();
} else if (childPosition == 4) {
Toast.makeText(activity, "5",
Toast.LENGTH_SHORT).show();
}
break;
case 1:
...
}
});
return convertView;
}
}
感谢您的帮助。
您可以在您的活动中调用此类MyExpandableListAdapter时显示吗? – 2015-04-04 09:26:17
如果你可以检查我上面提到的链接可能会更好地为您获得更广泛的视图,否则我可以添加我的代码也没有问题。顺便说一句,我在我的主要活动中扩展了ActionBarActivity。 – Umitk 2015-04-04 09:29:31
我的问题是你不能在你的列表适配器中调用startActivity()。它是您的应用程序上下文类的方法。 – 2015-04-04 09:31:05