Android - 方法i(String,String)未定义Log类型

Question

我一直在我的Main.Activity.java中收到此错误.

    The Method i(String, String) is undefined for the type Log

错误发生在这一行:

Log.i("HelloListView", "You clicked Item: " + id + " at position:" + position);

我不知道出了什么问题,所以这是我的整个MainActivity.java.如果有人可以提供帮助,那就太好了.

    package com.example.uc.pf;

import org.apache.commons.logging.Log;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

public class MainActivity extends Activity implements OnItemClickListener {

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_main);

    //* *EDIT* * 
    ListView listview = (ListView) findViewById(R.id.listView1);
    listview.setOnItemClickListener(this);
}

public void onItemClick(AdapterView<?> l, View v, int position, long id) {
    Log.i("HelloListView", "You clicked Item: " + id + " at position:" + position);
        // Then you start a new Activity via Intent
        Intent intent = new Intent();
        intent.setClass(this, ListItemDetail.class);
        intent.putExtra("position", position);
        // Or / And
        intent.putExtra("id", id);
        startActivity(intent);
    }
}

Answer 1

你正在进口org.apache.commons.logging.Log;.改成android.util.Log