/
SearchPOIResultActivity.java
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/
SearchPOIResultActivity.java
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package com.mapabc.android.activity.search.result;
import java.util.ArrayList;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ExpandableListView;
import android.widget.ImageButton;
import android.widget.Spinner;
import android.widget.TextView;
import com.mapabc.android.activity.R;
import com.mapabc.android.activity.base.Constants;
import com.mapabc.android.activity.listener.BackListener;
import com.mapabc.android.activity.search.adapter.InfoExpandListAdapter;
import com.mapabc.android.activity.utils.ActivityStack;
import com.mapabc.android.activity.utils.Utils;
import com.mapabc.naviapi.search.SearchResultInfo;
import com.mapabc.naviapi.utils.AndroidUtils;
/**
* @description: POI查询结果基类
* @author menglin.cao 2012-08-27
* @version:
* @modify:
* @Copyright: mapabc.com
*/
public abstract class SearchPOIResultActivity extends Activity {
private ProgressDialog progress;
protected int defaultRadius = 5000;
private ExpandableListView lstResult;
protected ArrayList<SearchResultInfo> lstPOI = new ArrayList<SearchResultInfo>();
private Spinner spnDistance;
private static int idicateWidth=50;//下拉按钮的宽度
protected InfoExpandListAdapter infoExpAdapter;
private final Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
listLoadPOI();
if(progress != null){
progress.dismiss();
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.searchpoiresult_main);
initTop();
spnDistance = (Spinner) findViewById(R.id.spnDistance);
spnDistance.setOnItemSelectedListener(new OnItemSelectedListener(){
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
try{
String dist = String.valueOf(spnDistance.getAdapter().getItem(position));
defaultRadius = (int) (Double.valueOf(dist.trim())*1000);
}catch(Exception e){
defaultRadius = 5000;
}
startSynchronizedLoad();
}
public void onNothingSelected(AdapterView<?> parent) {
}});
idicateWidth = Utils.getIndicatorPosition(this);
lstResult = (ExpandableListView) findViewById(R.id.lstSearchResult);
findViewById(R.id.resultbar).setVisibility(View.GONE);
}
/**
* 初使化顶部控件
*/
private void initTop(){
TextView topicTextView = (TextView)findViewById(R.id.tv_topic);
topicTextView.setText(R.string.common_result);
ImageButton backImageButton = (ImageButton)findViewById(R.id.ib_menu_back);
backImageButton.setOnClickListener(new BackListener(this));
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
if(lstResult != null){
setIndicatorPosition();
}
if(infoExpAdapter!=null){
infoExpAdapter.notifyDataSetChanged();
}
}
@Override
public void onBackPressed() {
ActivityStack.newInstance().pop();
super.onBackPressed();
}
protected void startSynchronizedLoad(){
if(!isFinishing()){
progress = ProgressDialog.show(this,"", Utils.getValue(this, R.string.commmon_loading_data));
}
// lstResult.clearChoices();
new Thread(){
public void run(){
searchPOI();
handler.sendEmptyMessage(0);
}
}.start();
}
private void listLoadPOI(){
Log.d("SearchPOI", "listLoadPOI");
Bundle extras = getIntent().getExtras();
if(extras == null){
if(progress != null){
progress.dismiss();
}
return;
}else{
if(extras.getSerializable(Constants.SEARCH_RESULT) != null){
lstPOI = (ArrayList<SearchResultInfo>) extras.getSerializable(Constants.SEARCH_RESULT);
extras.putSerializable(Constants.SEARCH_RESULT, null);
}
}
int poiCount = lstPOI.size();
TextView txtCount = (TextView) findViewById(R.id.txtCount);
txtCount.setVisibility(View.VISIBLE);
txtCount.setText(Utils.getValue(this, R.string.common_total)+poiCount+Utils.getValue(this, R.string.common_record));
infoExpAdapter = new InfoExpandListAdapter(this,lstPOI,lstResult);
lstResult.setAdapter(infoExpAdapter);
setIndicatorPosition();
}
protected abstract void searchPOI();
protected void onDestroy() {
lstPOI = null;
infoExpAdapter = null;
lstResult = null;
super.onDestroy();
}
/**
* 设置显示器位置
*/
public void setIndicatorPosition() {
DisplayMetrics dm = new DisplayMetrics(); // 取得窗口属性
getWindowManager().getDefaultDisplay().getMetrics(dm);
// 窗口的宽度
int screenWidth = dm.widthPixels;
lstResult.setIndicatorBounds(screenWidth - idicateWidth, screenWidth);
}
}