【发布时间】:2015-11-03 13:07:39
【问题描述】:
我正在尝试为我的应用程序创建一个已签名的 apk,但在创建已签名的 apk 对话框后单击完成后出现错误。
错误:错误:此类应提供默认构造函数(不带参数的公共构造函数)(MYAPPNAME.CustomListAdapter) [Instantiatable]
下面的Java代码
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
公共类 CustomListAdapter 扩展 ArrayAdapter {
private final Activity context;
private final String[] itemname;
private final Integer[] imgid;
public CustomListAdapter(Activity context, String[] itemname, Integer[] imgid) {
super(context, R.layout.mylist, itemname);
// TODO Auto-generated constructor stub
this.context=context;
this.itemname=itemname;
this.imgid=imgid;
}
public View getView(int position,View view,ViewGroup parent) {
LayoutInflater inflater=context.getLayoutInflater();
View rowView=inflater.inflate(R.layout.mylist, null,true);
TextView txtTitle = (TextView) rowView.findViewById(R.id.item);
ImageView imageView = (ImageView) rowView.findViewById(R.id.icon);
//TextView extratxt = (TextView) rowView.findViewById(R.id.textView1);
txtTitle.setText(itemname[position]);
imageView.setImageResource(imgid[position]);
// extratxt.setText("Description "+itemname[position]);
return rowView;
};
请帮忙
【问题讨论】:
-
为我工作的最佳解决方案check this
标签: constructor apk adapter signed custom-lists