Android初步学代码收集

package mars.listview;import java.util.ArrayList;import java.util.HashMap;import android.app.ListActivity;import android.os.Bundle;import android.view.View;import android.widget.ListView;import android.widget.SimpleAdapter;public class Activity01 extends ListActivity {    /** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);ArrayList<HashMap<String, String>> list = new ArrayList<HashMap<String, String>>();HashMap<String, String> map1 = new HashMap<String, String>();HashMap<String, String> map2 = new HashMap<String, String>();HashMap<String, String> map3 = new HashMap<String, String>();map1.put("user_name", "zhangsan");map1.put("user_ip", "192.168.0.1");map2.put("user_name", "zhangsan");map2.put("user_ip", "192.168.0.2");map3.put("user_name", "wangwu");map3.put("user_ip", "192.168.0.3");list.add(map1);list.add(map2);list.add(map3);SimpleAdapter listAdapter = new SimpleAdapter(this, list,R.layout.user, new String[] { "user_name", "user_ip" },new int[] { R.id.user_name,R.id.user_ip});setListAdapter(listAdapter);}@Overrideprotected void onListItemClick(ListView l, View v, int position, long id) {// TODO Auto-generated method stubsuper.onListItemClick(l, v, position, id);System.out.println("id----------------" + id);System.out.println("position----------" + position);}}

class ButtonListener implements OnClickListener{@Overridepublic void onClick(View v) { Uri uri = Uri.parse("smsto://0800000123"); Intent it = new Intent(Intent.ACTION_SENDTO, uri); it.putExtra("sms_body", "The SMS text"); startActivity(it); } }
ListActivity的使用
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