下面是基于List这个存储结构的Adapter
package com.example.fouradpater_3;import java.util.ArrayList;
import java.util.List;import android.R.integer;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Adapter;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.Spinner;
import android.widget.SpinnerAdapter;
import android.widget.TextView;public class MainActivity extends Activity {private LayoutInflater mInflater;private String[] mad = {"4","3","2","1"};private List<String> mList;private Spinner mSpinner;private GridView mGridView;private Gallery mGallery;private ListView mListView;private Adapter mAdapter;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mList = new ArrayList<String>();for(int i = 0; i<mad.length; i++){mList.add(mad[i]);}mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// mInflater = (LayoutInflater)this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// mInflater = (LayoutInflater)MainActivity.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);mSpinner = (Spinner) findViewById(R.id.spinner1);mGridView = (GridView) findViewById(R.id.gridView1);mGallery = (Gallery) findViewById(R.id.gallery1);mListView = (ListView) findViewById(R.id.listView1);mAdapter = new BaseAdapter() {@Overridepublic View getView(int position, View convertView, ViewGroup parent) {// TODO Auto-generated method stuTextView text;ImageView imgview;RelativeLayout rLayout;if (convertView == null) {rLayout = (RelativeLayout) mInflater.inflate(R.layout.new_file, parent, false);
// view = new TextView(MainActivity.this);} else {rLayout = (RelativeLayout) convertView;}String item = (String) getItem(position);
// rLayout.setTag(item.toString());text = (TextView) rLayout.findViewById(R.id.TextView2);
// text.setText(item.toString()); 画蛇添足text.setText(item);imgview = (ImageView) rLayout.findViewById(R.id.ImageView1);
// imgview.setId(R.drawable.ic_launcher);// 用错函数imgview.setImageResource(R.drawable.ic_launcher);return rLayout;}@Overridepublic long getItemId(int position) {return position;}@Overridepublic Object getItem(int position) {return mList.get(position);}@Overridepublic int getCount() {return mList.size();}};mSpinner.setAdapter((SpinnerAdapter) mAdapter);mGridView.setAdapter((ListAdapter) mAdapter);mGallery.setAdapter((SpinnerAdapter) mAdapter);mListView.setAdapter((ListAdapter) mAdapter);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}
可以看出来只要我们需要的储存方式 跟adpter需要的4个基本函数有对应就行，储存结构的改变最需要改变
getItem() getCount() 这两个函数