package kmd.soft;import java.util.ArrayList;
import java.util.HashMap;import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;public class ListAdd extends Activity {
private ListView listView;
private Button button;
private SimpleAdapter adapter;
private ArrayList<HashMap<String, Object>> arrayList;
private HashMap<String, Object> hashMap; @Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.list_layout);
listView = (ListView) findViewById(R.id.ListV);
arrayList = new ArrayList<HashMap<String, Object>>();
for (int i = 0; i < 10; i++) {
hashMap.put("First", "2012-5-" + i + "日报记录");
arrayList.add(hashMap);
}
adapter = new SimpleAdapter(this, arrayList, R.layout.list_item,
new String[] { "First" }, new int[] { R.id.ItemTitle });
listView.setAdapter(adapter);
}
}
总是报错,什么原因?
import java.util.HashMap;import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;public class ListAdd extends Activity {
private ListView listView;
private Button button;
private SimpleAdapter adapter;
private ArrayList<HashMap<String, Object>> arrayList;
private HashMap<String, Object> hashMap; @Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.list_layout);
listView = (ListView) findViewById(R.id.ListV);
arrayList = new ArrayList<HashMap<String, Object>>();
for (int i = 0; i < 10; i++) {
hashMap.put("First", "2012-5-" + i + "日报记录");
arrayList.add(hashMap);
}
adapter = new SimpleAdapter(this, arrayList, R.layout.list_item,
new String[] { "First" }, new int[] { R.id.ItemTitle });
listView.setAdapter(adapter);
}
}
总是报错,什么原因?
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for (int i = 0; i < 10; i++) {
hashMap = new HashMap<String, Object > ()l;
hashMap.put("First", "2012-5-" + i + "日报记录");
arrayList.add(hashMap);
}