public class MainActivity extends Activity {
private ListView lv; private String[] objects = new String[] { "潘洋", "波姐", "陽姐", "達兄" }; private int[] imgs = new int[] { R.drawable.logo, R.drawable.logo, R.drawable.logo, R.drawable.logo };
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 1,找到控件 lv = (ListView) findViewById(R.id.lv_list);
// 2,定義適配器 // >>>>>>>>>>>>>>>>>>>2.3自定義適配器 //MyAdapter adapter = new MyAdapter(); // 3,加載適配器 lv.setAdapter(adapter); }
private class MyAdapter extends BaseAdapter {
@Override public int getCount() { // TODO Auto-generated method stub return objects.length; }
@Override public View getView(int position, View convertView, ViewGroup parent) { // 加載佈局 activity加載佈局 /* * LayoutInflater inflater=getLayoutInflater(); * inflater.inflate(resource, root); */ View contentView = View.inflate(getApplicationContext(), R.layout.list_item, null); // 找到佈局裏面的控件
ImageView iv = (ImageView) contentView.findViewById(R.id.iv_logo); TextView tv = (TextView) contentView.findViewById(R.id.tv_name);
// 加載相應數據 iv.setImageResource(imgs[position]); tv.setText(objects[position]); return contentView; } @Override public Object getItem(int position) { // TODO Auto-generated method stub return null; } @Override public long getItemId(int position) { // TODO Auto-generated method stub return 0; } } }
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今天自己按照教材，做了個自定義適配器，控件那部分還是不怎麼搞得清楚