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Android : Passing button click response from getView() method of adapter class to mainActivity
我编写了一个扩展 ArrayAdapter 的类。该适配器处理几个 TEXTVIEW 和一个 BUTTON。对于每次单击按钮,我都想通过 Intent 与下一个 Activity 建立双向通信。是否可以在 getView() 方法中使用 startActivityForResult 和 OnActivityResult 。如果可以,请告诉我如何使用它。
提前致谢。
下面是getView方法
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder;
int type = getItemViewType(position);
if (convertView == null) {
holder = new ViewHolder();
switch (type) {
case 0:
convertView = vi.inflate(R.layout.group, null);
holder.menuItem = (TextView) convertView.findViewById(R.id.tvGroup);
convertView.setBackgroundColor(Color.RED);
break;
case 1:
convertView = vi.inflate(R.layout.confirmitem, null);
holder.menuItem = (TextView) convertView.findViewById(R.id.tvConfirmItem);
holder.quantity = (TextView) convertView.findViewById(R.id.tvQuantity);
holder.cancel = (Button) convertView.findViewById(R.id.bCancel);
// cancel button
holder.cancel.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Log.i("ConfirmAdapter ","Button postion "+ position + "canceled item : " + menuItemList.get(position).getTicketItemObject().getName() );
}
});
break;
}
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
switch (type) {
case 0:
holder.menuItem.setText(menuItemList.get(position).getTicketItemObject().getCategoryName()) ;
convertView.setBackgroundColor(Color.RED);
break;
case 1:
holder.menuItem.setText(menuItemList.get(position).getTicketItemObject().getName());
holder.quantity.setText(Integer.toString(menuItemList.get(position).getTicketItemObject().getItemCount()));
break;
}
return convertView;
}