Sets the data behind this ListView. |
Returns the adapter currently in use in this ListView. |
Model Person(自定义的那些item.xml文件 模型)
View ListView
Control Adapter 数据适配器
ArrayAdapter使用ArrayAdapter为listview填充数据的步骤:1、在布局文件中添加ListView2、在代码中初始化这个listview控件3、调用listview.setAdapter()填充数据//使用适配器为listview填充数据//new ArrayAdapter:context 上下文,resourceId 条目布局文件的资源ID,object[] 要显示的数据lv.setAdapter(new ArrayAdapter<String>(this, R.layout.item, new String[]{"王菲","谢霆锋","张柏芝","李亚鹏"}));
SimpleAdapter使用ArrayAdapter为listview填充数据的步骤:1、在布局文件中添加ListView2、在代码中初始化这个listview控件3、调用listview.setAdapter()填充数据//使用适配器为listview填充数据//new SimpleAdapter:context 上下文,resourceId 条目布局文件的资源ID,String[] 要显示的列名,int[] 指定列显示在item布局文件的哪个控件上lv.setAdapter(new SimpleAdapter(this, data, R.layout.item, new String[]{"id","name"}, new int[]{R.id.tv_id,R.id.tv_name}));- 关联:条目的布局文件(这种简单的适配器只适用于这种布局)
GridView gv_home =(GridView)findViewById(R.id.gv_home);gv_home.setAdapter(new MyAdapter());
gv_home.setOnItemClickListener(new OnItemClickListener() {//点击item时调用这个方法@Overridepublic void onItemClick(AdapterView<?> parent, View view,int position, long id) {switch (position) {case 0://手机防盗//检查之前是否设置了密码,如果设置了就弹出输入密码的对话框,String password = sp.getString("password", "");if(TextUtils.isEmpty(password)){//显示设置密码的对话框showSetupPasswordDialog();}else{//显示输入密码的对话框showEnterPasswordDialog();}break;case 8://设置中心intent = new Intent(HomeActivity.this,SettingsActivity.class);startActivity(intent);break;default:break;}}});
private class MyAdapter extends BaseAdapter{@Override//注:九宫格的数目public int getCount() {return names.length;}@Override//注:每有一个条目(item)在屏幕上显示都会调用该方法public View getView(int position, View convertView, ViewGroup parent) {View view;if(convertView == null){view = View.inflate(HomeActivity.this, R.layout.gv_home_item, null);}else{view = convertView;}ImageView iv_icon = (ImageView) view.findViewById(R.id.iv_icon);TextView tv_name = (TextView) view.findViewById(R.id.tv_name);iv_icon.setImageResource(ids[position]);tv_name.setText(names[position]);return view;}@Override//注:得到指定位置的itempublic Object getItem(int position) {// TODO Auto-generated method stubreturn null;}@Override//得到指定位置item的id值public long getItemId(int position) {// TODO Auto-generated method stubreturn 0;}}
原文:http://www.cnblogs.com/candledragle/p/4249299.html