arrayadpter有錯(cuò)誤
源代碼如下：
package com.example.androidarrayadapter;
import android.support.v7.app.ActionBarActivity;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
@SuppressLint("NewApi")
public class MainActivity extends Activity {
?private ListView listView;
?private ArrayAdapter<String> arr_adapter;
?private SimpleAdapter sim_adapter;
?@Override
?protected void onCreate(Bundle savedInstanceState) {
??super.onCreate(savedInstanceState);
??setContentView(R.layout.main);
??listView=(ListView) findViewById(R.id.listView);
??//1.新建一個(gè)數(shù)據(jù)適配器
??//ArrayAdapter(上下文，當(dāng)前l(fā)istview加載的每一個(gè)列表項(xiàng)代表的布局文件，數(shù)據(jù)源?? )
??//2.適配器加載數(shù)據(jù)源
??String[]arr_data={"慕課網(wǎng)1","慕課網(wǎng)2","慕課網(wǎng)3","慕課網(wǎng)4"};
??arr_adapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,arr_data);
??//3.視圖加載適配器
??listView.setAdapter(arr_adapter);
?}
}
2016-08-10
試試重新創(chuàng)建工程再寫一下
2016-07-25
是這個(gè)，日志
2016-07-24
錯(cuò)誤提示是什么，哪一行
2016-07-21
接口呢？