Adapter--BaseAdapter

activity_test_baseadapter.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                xmlns:tools="http://schemas.android.com/tools"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:paddingLeft="@dimen/activity_horizontal_margin"
                android:paddingRight="@dimen/activity_horizontal_margin"
                android:paddingTop="@dimen/activity_vertical_margin"
                android:paddingBottom="@dimen/activity_vertical_margin"
                tools:context="cn.zhaochunqi.testadapter.app.JumpToAdapter">


    <LinearLayout
            android:orientation="vertical"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/linearLayout"
            android:layout_centerInParent="true">

        <Button
                android:onClick="click_to_BaseAdapter"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="BaseAdapter"
                android:id="@+id/button"
                />

        <Button
                android:onClick="click_to_SimpleAdapter"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="SimpleAdapter"
                android:id="@+id/button2"
                />

        <Button
                android:onClick="click_to_ArrayAdapter"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="ArrayAdapter"
                android:id="@+id/button3"
                />

    </LinearLayout>


</RelativeLayout>

TestBaseAdapter.java

package cn.zhaochunqi.testadapter.app;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by alex on 6/26/14.
 */
public class TestBaseAdapter extends ActionBarActivity {

    private ListView lv_base;
    private List<String> stringList = new ArrayList<String>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getSupportActionBar().hide();
        setContentView(R.layout.activity_test_baseadapter);
        lv_base = (ListView)findViewById(R.id.lv_testbaseadapter);
        makelist();
        lv_base.setAdapter(new MyBaseListViewAdapter());
    }

    private void makelist() {
        String s;
        for(int i=0;i<100;i++) {
            s = "Hello World this is the " +i+"th number !";
            stringList.add(s);
        }

    }


    //listView的Adapter，就显示一个普通的文本。
    private class MyBaseListViewAdapter extends BaseAdapter {
        @Override
        public int getCount() {
            return stringList.size();
        }

        @Override
        public Object getItem(int position) {
            return null;
        }

        @Override
        public long getItemId(int position) {
            return 0;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            TextView tv = new TextView(TestBaseAdapter.this);
            String s = stringList.get(position);
            tv.setText(s);
            return tv;
        }
    }
}