从适配器调用Fragment方法 [英] Call a Fragment method from an Adapter
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问题描述
我的片段中有一个方法 sendData()
。此方法启动一个新的Activity。我想从我的 ArrayAdapter
调用此方法。
I have a method sendData()
in my fragment. This method starts a new Activity. I want to call this method from my ArrayAdapter
.
这是我的代码: -
Here is my code:-
HomeFragment.java
HomeFragment.java
stagAdaper = new StaggeredAdapter(myContext, android.R.layout.simple_list_item_1, getList);
mGridView.setAdapter(stagAdaper);
private void sendData(int position)
{
myDialog = new ProgressDialog(myContext).show(getActivity(), "Fetching news..", "Just a moment");
myDialog.getWindow().setContentView(R.layout.openarticlewaitprogress);
myDialog.getWindow().setTitle("Loading..");
myDialog.getWindow().setLayout(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
new NewsDetails(myDialog);
Intent nIntent = new Intent(getActivity(),Details.class);
String Body=getList.get(position).getBody();
newsIntent.putExtra("Body", Body);
startActivity(nIntent);
}
StaggeredAdapter.java
StaggeredAdapter.java
viewHolder.layGridLayout.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
// TODO Auto-generated method stub
//viewHolder.layGridLayout.setForeground(R.drawable.foreground_selector);
}
});
return convertView;
}
我该怎么办?
推荐答案
解决方案1:
使适配器成为片段的内部类,以便您可以直接调用该方法。
Solution 1 : Make the adapter an inner class of your fragment, so that you can call the method directly.
解决方案2:
更新适配器构造函数以接受Fragment作为参数。
Solution 2 : Update your adapter constructor to accept the Fragment as a parameter.
类似于:
customAdapter = new CustomAdapter(myContext, android.R.layout.simple_list_item_1, getList, HomeFragment.this);
并更新适配器的构造函数:
and update the constructor of the Adapter :
public CustomAdapter(Context context, int id, HomeFragment fragment) {
this.fragment = fragment;
}
然后使用片段变量调用方法。
then you call methods using the fragment variable.
fragment.doSomething();
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