Effecitive Android 设计

package com.ostrichmyself.eff; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.widget.LinearLayout; import android.widget.LinearLayout.LayoutParams; import android.widget.ListView; import android.widget.SimpleAdapter; /** * 这个是启动的Activity, 注意这个位置不能随便放, 只允许放在 * AndroidManifest.xml定义的<manifest>节点package描述的包中 * @author tiant5 * */ public class EffectiveAndroidActivity extends Activity { private ListView itemlist; private List<Map<String, Object>> list; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.parent_layout); //通过下面的方式可以任意扩展parent_layout某个特定部分的UI displaySpecialListView(); //下面的方式是用来说明Layout:weight的对其效果, 以及统一风格的EditText设计 openRegDlg(); } private void displaySpecialListView() { LinearLayout specialUI = (LinearLayout)findViewById(R.id.specialUI); LayoutInflater inflater = (LayoutInflater)getSystemService(LAYOUT_INFLATER_SERVICE); View listView = inflater.inflate(R.layout.listview_common,null); LayoutParams para = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT); specialUI.addView(listView, para); itemlist = (ListView) findViewById(R.id.itemlist); refreshListItems(); } private void openRegDlg() { LayoutInflater factory=LayoutInflater.from(this); //看看里面用到的统一风格, 查看代码注释 final View v1=factory.inflate(R.layout.dialog_register,null); AlertDialog.Builder builder=new AlertDialog.Builder(this); builder.setTitle("免费注册"); builder.setIcon(0); builder.setPositiveButton("注册", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { //登录代码 } }); builder.setNegativeButton("取消",new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); AlertDialog al = builder.create(); al.setView(v1, 0, 0, 0, 0); al.show(); } public void refreshListItems() { list = buildListForSimpleAdapter(); SimpleAdapter notes = new SimpleAdapter(this, list, R.layout.listview_item_common, new String[] { "img", "title", "info" }, new int[] {R.id.img, R.id.title, R.id.info }); itemlist.setAdapter(notes); itemlist.setSelection(0); } private List<Map<String, Object>> buildListForSimpleAdapter() { list = new ArrayList<Map<String, Object>>(2); // Build a map for the attributes Map<String, Object> map = new HashMap<String, Object>(); map.put("img", R.drawable.service_personal_set); map.put("title", "个人设置"); map.put("info", "（进行个人设置, 如修改密码等, 设置工况, 设置告警，非常状态，紧急情况等）"); list.add(map); map = new HashMap<String, Object>(); map.put("img", R.drawable.service_position); map.put("title", "位置服务"); map.put("info", "（位置服务, 如修改密码等, 设置工况, 设置告警，非常状态，紧急情况等）"); list.add(map); map = new HashMap<String, Object>(); map.put("title", "产品反馈"); map.put("img", R.drawable.service_feedback); map.put("info", "（产品反馈, 如修改密码等, 设置工况, 设置告警，非常状态，紧急情况等）"); list.add(map); map = new HashMap<String, Object>(); map.put("title", "我的设备"); map.put("img", R.drawable.service_mydevice); map.put("info", "（我的设备:产品反馈, 如修改密码等, 设置工况, 设置告警，非常状态，紧急情况等）"); list.add(map); return list; } }