android 应用最近做了一个简单的天气预报，话不多说上代码实时天气的handler：package com.handlerimport j
android 应用
最近做了一个简单的天气预报，话不多说上代码
实时天气的handler：
package com.handler;import java.util.ArrayList;import java.util.List;import org.xml.sax.Attributes;import org.xml.sax.SAXException;import org.xml.sax.helpers.DefaultHandler;import com.javaBean.Weather;/** * 显示当天的详细天气情况 * @author wdw * */public class NonceXmlHandler extends DefaultHandler{private List<Weather>nowWeatherList;private boolean tag;private Weather weather;public List<Weather> getNowWeatherList() {return nowWeatherList;}public void setNowWeatherList(List<Weather> nowWeatherList) {this.nowWeatherList = nowWeatherList;} //构造方法public NonceXmlHandler(){nowWeatherList = new ArrayList<Weather>();tag = false;}@Overridepublic void startElement(String uri, String localName, String name,Attributes attributes) throws SAXException{ String tagName = localName.length()!=0 ? localName : name; tagName = tagName.toLowerCase(); if (tagName.equals("current_conditions")) {tag = true;weather = new Weather();} if (tag) { if (tagName.equals("temp_c")){weather.setLowTemp(attributes.getValue("data"));}else if (tagName.equals("temp_f")){weather.setHighTemp(attributes.getValue("data"));}else if (tagName.equals("icon")){weather.setImgUrl(attributes.getValue("data"));}else if (tagName.equals("condition")){weather.setCircs(attributes.getValue("data"));}else if (tagName.equals("wind_condition")){weather.setWind(attributes.getValue("data"));} else if (tagName.equals("humidity")) {weather.setHumidity(attributes.getValue("data"));}} }@Overridepublic void endElement(String uri, String localName, String name)throws SAXException {String tagName = localName.length()!=0 ? localName : name;tagName = tagName.toLowerCase();if(tagName.equals("current_conditions")){tag = false;nowWeatherList.add(weather);}super.endElement(uri, localName, name);} }四天内天气的handler
package com.handler;import java.util.ArrayList;import java.util.List;import org.xml.sax.Attributes;import org.xml.sax.SAXException;import org.xml.sax.helpers.DefaultHandler;import com.javaBean.Weather;/** * * @author wdw * */public class XmlHandler extends DefaultHandler{private List<Weather>weatherList;private boolean tag;private Weather weather; //list的get/set方法public List<Weather> getWeatherList() {return weatherList;}public void setWeatherList(List<Weather> weatherList) {this.weatherList = weatherList;}//构造方法public XmlHandler(){weatherList = new ArrayList<Weather>();tag = false;}@Overridepublic void startElement(String uri, String localName, String name,Attributes attributes) throws SAXException { String tagName = localName.length()!=0 ? localName : name; tagName = tagName.toLowerCase(); if (tagName.equals("forecast_conditions")) {tag = true;weather = new Weather();} if (tag) {if (tagName.equals("day_of_week")) {weather.setDayString(attributes.getValue("data"));}else if (tagName.equals("low")){weather.setLowTemp(attributes.getValue("data"));}else if (tagName.equals("high")){weather.setHighTemp(attributes.getValue("data"));}else if (tagName.equals("icon")){weather.setImgUrl(attributes.getValue("data"));}else if (tagName.equals("condition")){weather.setCircs(attributes.getValue("data"));}else if (tagName.equals("wind_condition")){weather.setWind(attributes.getValue("data"));}}}@Overridepublic void endElement(String uri, String localName, String name)throws SAXException {super.endElement(uri, localName, name);String tagName = localName.length()!=0 ? localName : name;tagName = tagName.toLowerCase();if(tagName.equals("forecast_conditions")){tag = false;weatherList.add(weather);}}}activity
package com.weather;import java.io.InputStream;import java.io.InputStreamReader;import java.net.MalformedURLException;import java.net.URL;import java.net.URLEncoder;import java.util.List;import java.util.Timer;import java.util.TimerTask;import javax.xml.parsers.SAXParser;import javax.xml.parsers.SAXParserFactory;import org.xml.sax.InputSource;import org.xml.sax.XMLReader;import com.database.WeatherDAO;import com.handler.NonceXmlHandler;import com.handler.XmlHandler;import com.javaBean.Weather;import com.util.LunarCalendarUtils;import android.R.integer;import android.app.Activity;import android.app.AlertDialog;import android.app.Dialog;import android.content.Intent;import android.database.Cursor;import android.graphics.drawable.Drawable;import android.net.Uri;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.os.Parcelable;import android.util.Log;import android.view.Gravity;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.ViewGroup.LayoutParams;import android.widget.AdapterView;import android.widget.Button;import android.widget.EditText;import android.widget.ImageView;import android.widget.Spinner;import android.widget.TableLayout;import android.widget.TableRow;import android.widget.TextView;import android.widget.AdapterView.OnItemSelectedListener;/** * * @author wdw * */public class WeatherActivity extends Activity {private Spinner selectCity;private EditText inputCity;private Button onSure;private TextView showCity;private ImageView weaView;private Handler weatherHandler;private Dialog progressDialog;private Timer timer;public static final String STR_DESKTOP_TO_APP_EXPAND = "DESKTOP_TO_APP_FLAG_EXPAND";public static final String STR_DESKTOP_TO_APP_ID = "DESKTOP_TO_APP_FLAG_ID";public static final String STR_DESKTOP_TO_APP_TYPE = "DESKTOP_TO_APP_FLAG_TYPE";private Intent myIntent;private final String ACTION_ADD_SHORTCUT="com.android.launcher.action.INSTALL_SHORTCUT";private String weatherStr;private final int MENU_SENDTOP=Menu.FIRST;private final int MENU_EXIT=Menu.FIRST+1;private WeatherDAO weatherDAO;private Cursor myCursor;private TableLayout table;private LunarCalendarUtils calendarUtils; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); myIntent = new Intent(this,SendWeather.class); weatherDAO = new WeatherDAO(this); timer = new Timer(); selectCity = (Spinner)findViewById(R.id.weaSpCity); inputCity = (EditText)findViewById(R.id.weaEtCity); onSure = (Button)findViewById(R.id.weaBtSearch); showCity = (TextView)findViewById(R.id.weaTvCity); weaView = (ImageView)findViewById(R.id.weaIv); progressDialog = new AlertDialog.Builder(this) .setTitle("读取数据中") .setMessage("正在加载数据，请稍等！") .create(); weatherHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);final String cityName = inputCity.getText().toString();searchWeather(cityName);searchNowWeather(cityName);progressDialog.hide();} }; selectCity.setOnItemSelectedListener(new OnItemSelectedListener(){public void onItemSelected(AdapterView<?> parent, View view,int position, long id) {inputCity.setText(selectCity.getSelectedItem().toString());}public void onNothingSelected(AdapterView<?> parent) {// TODO Auto-generated method stub} }); onSure.setOnClickListener(new View.OnClickListener(){public void onClick(View v) {progressDialog.show();timer.schedule(new TimerTask(){@Overridepublic void run() {Message message = new Message();message.setTarget(weatherHandler);message.sendToTarget();}}, 100);} }); showCity.setOnClickListener(new View.OnClickListener(){public void onClick(View v) {searchNowWeather(inputCity.getText().toString());goTO();} }); } /**创建menu*/ @Override /*创建menu*/public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu);menu.add(0, MENU_SENDTOP, 1, "发送快捷方式").setIcon(android.R.drawable.ic_menu_share);menu.add(0,MENU_EXIT,2,"返回桌面").setIcon(android.R.drawable.ic_menu_revert);return true;} @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) {case MENU_SENDTOP:searchNowWeather(inputCity.getText().toString());weatherStr=showCity.getText().toString();Parcelable icon =Intent.ShortcutIconResource.fromContext(this, R.drawable.weather);Intent addShortCut = new Intent(ACTION_ADD_SHORTCUT);addShortCut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, icon);addShortCut.putExtra(Intent.EXTRA_SHORTCUT_NAME, weatherStr);myIntent.setData(Uri.parse(weatherStr));Bundle bundle = new Bundle();bundle.putString("weather", weatherStr);myIntent.putExtras(bundle);addShortCut.putExtra(Intent.EXTRA_SHORTCUT_INTENT,myIntent);sendBroadcast(addShortCut);goTO();break;case MENU_EXIT:goTO();finish();break;}return super.onOptionsItemSelected(item);} /**查询当天天气*/ public void searchNowWeather(String city) { SAXParserFactory spf = SAXParserFactory.newInstance(); try {SAXParser sParser = spf.newSAXParser();XMLReader reader = sParser.getXMLReader();NonceXmlHandler nowHandler = new NonceXmlHandler();reader.setContentHandler(nowHandler);URL url = new URL("http://www.google.com/ig/api?hl=zh-cn&weather="+URLEncoder.encode(city));InputStream iStream = url.openStream();InputStreamReader isr = new InputStreamReader(iStream,"GBK");InputSource source = new InputSource(isr);reader.parse(source);List<Weather> weatherList = nowHandler.getNowWeatherList(); for (Weather weather:weatherList) { weaView.setImageDrawable(loadImage(weather.getImgUrl())); weaView.setMinimumHeight(80); String strLine = System.getProperty("line.separator");showCity.setText(inputCity.getText().toString()+"实时天气："+strLine+weather.getLowTemp() + "℃"+" 、 "+weather.getCircs()+strLine+weather.getWind()+strLine+weather.getHumidity());} weatherStr = showCity.getText().toString();} catch (Exception e) {new AlertDialog.Builder(this) .setTitle("解析错误") .setMessage("获取当天天气数据失败，请稍候再试。") .setNegativeButton("确定", null) .show();} } /**查询四天内的天气*/ public void searchWeather(String city) { SAXParserFactory spf = SAXParserFactory.newInstance(); try { SAXParser sp = spf.newSAXParser(); XMLReader reader = sp.getXMLReader(); XmlHandler handler = new XmlHandler(); reader.setContentHandler(handler); URL url = new URL("http://www.google.com/ig/api?hl=zh-cn&weather=" + URLEncoder.encode(city)); InputStream is = url.openStream(); InputStreamReader isr = new InputStreamReader(is,"GBK"); InputSource source = new InputSource(isr); reader.parse(source); List<Weather> weatherList = handler.getWeatherList(); table = (TableLayout)findViewById(R.id.weaTable); table.removeAllViews(); for(Weather weather : weatherList) { TableRow row = new TableRow(this); row.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); row.setGravity(Gravity.CENTER_VERTICAL); ImageView img = new ImageView(this); img.setImageDrawable(loadImage(weather.getImgUrl())); img.setMinimumHeight(80); row.addView(img); TextView day = new TextView(this); day.setText(weather.getDayString()); day.setGravity(Gravity.CENTER_HORIZONTAL); row.addView(day); TextView temp = new TextView(this); temp.setText(weather.getLowTemp() + "℃ - " + weather.getHighTemp() + "℃"); temp.setGravity(Gravity.CENTER_HORIZONTAL); row.addView(temp); TextView condition = new TextView(this); condition.setText(weather.getCircs()); condition.setGravity(Gravity.CENTER_HORIZONTAL); row.addView(condition); TextView wind = new TextView(this); wind.setText(weather.getWind()); wind.setGravity(Gravity.CENTER_VERTICAL); row.addView(wind); table.addView(row); } } catch (Exception e) { new AlertDialog.Builder(this) .setTitle("解析错误") .setMessage("获取天气数据失败，请稍候再试。") .setNegativeButton("确定", null) .show(); } } //加载天气图片private Drawable loadImage(String imgUrl) {try {return Drawable.createFromStream((InputStream) new URL("http://www.google.com/" + imgUrl).getContent(), "demo");}catch (MalformedURLException e) { Log.e("exce",e.getMessage()); }catch (Exception e) {Log.e("exce", e.getMessage());}return null;}@Overrideprotected void onDestroy() {// TODO Auto-generated method stubsuper.onDestroy();goTO();}//发送快捷方式public void goTO(){searchNowWeather(inputCity.getText().toString());weatherStr=showCity.getText().toString(); Intent intent = new Intent("com.android.CLICK");Bundle bundle1 =new Bundle();bundle1.putString("weather", weatherStr);intent.putExtras(bundle1); WeatherActivity.this.sendBroadcast(intent);}//插入天气public void insert(){weatherDAO.weatherInsert(weatherStr, table.toString());}//更新天气public void update(int id,String timeString,String todayString){weatherDAO.updateWeather(id, timeString, todayString);}}发送天气
引用package com.weather;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.content.DialogInterface;
import android.content.Intent;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.EditText;
import android.widget.Toast;
import android.telephony.SmsManager;
/**
* 发送短信界面
* @author wdw
*
*/
public class SendWeather extends Activity {
private EditText editNumber;
private EditText messagEditText;
private String weatherString;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
showDialog();
//得到数据
try {
Bundle bundle = this.getIntent().getExtras();
weatherString=bundle.getString("weather");
messagEditText.setText(weatherString);
} catch (Exception e) {
e.printStackTrace();
}
editNumber.requestFocus();
}
/**检查字符串是否为电话号码的格式*/
public static boolean isPhoneNumberValid(String phoneNumber)
{
//boolean isValid=false;
//String expression="^\\(?(\\d{3})\\)?[- ]?(?(\\d{3})\\)?[- ]?(\\d{5})$";
//String expression2="^\\(?(\\d{3})\\)?[- ]?(?(\\d{4})\\)?[- ]?(\\d{4})$";
//CharSequence inputStr=phoneNumber;
///*创建pattern*/
//Pattern pattern=Pattern.compile(expression);
///*将pattern以参数传入Matcher*/
//Matcher matcher=pattern.matcher(inputStr);
//Pattern pattern2=Pattern.compile(expression2);
//Matcher matcher2=pattern2.matcher(inputStr);
//if(matcher.matches()||matcher2.matches())
//{
//isValid=true;
//}
return true;
}
//弹出框
public void showDialog()
{
LayoutInflater factory = LayoutInflater.from(this);
final View view = factory.inflate(R.layout.send_weather, null);
LinearLayout layout=(LinearLayout)view.findViewById(R.id.sendWeather);
editNumber=(EditText)layout.findViewById(R.id.numberEdit);
messagEditText=(EditText)layout.findViewById(R.id.weatherEdit);
new AlertDialog.Builder(this).setTitle("发送温情").setView(view)
.setPositiveButton("发送", new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int which) {
//取得短信收件人电话
String number = editNumber.getText().toString();
//取得短信内容
String message = messagEditText.getText().toString();
/*构建default 的instance的SmsManager*/
SmsManager smsManager =SmsManager.getDefault();
/*检查电话格式与短信字数是否超过70个字符*/
if(number.equals("")) {
Toast.makeText(SendWeather.this, "请输入发送号码！", Toast.LENGTH_LONG).show();
onCreate(null);
return;
} else
{
if(isPhoneNumberValid(number)==true&&isWithin(message)==true)
{
try
{
PendingIntent pendingIntent =PendingIntent.getBroadcast(SendWeather.this, 0, new Intent(),0);
smsManager.sendTextMessage(number, null, message,pendingIntent , null);
}
catch(Exception e)
{
e.printStackTrace();
}
//Toast.makeText(NoteActivity.this, "发送成功！", Toast.LENGTH_LONG).show();
//Intent intent = new Intent(NoteActivity.this,MyNote.class);
//startActivity(intent);
finish();
}
else{
if(isPhoneNumberValid(number)==false)
{
if(isWithin(message)==false)
{
Toast.makeText(SendWeather.this,
"电话号码格式错误和短信内容超过70字请检查！", Toast.LENGTH_LONG).show();
onCreate(null);
}
else{
Toast.makeText(SendWeather.this,
"电话号码格式错误请检查！", Toast.LENGTH_LONG).show();
onCreate(null);
}
}
else if(isWithin(message)==false)
{
Toast.makeText(SendWeather.this,
"短信内容超过70字请删除部分内容！", Toast.LENGTH_LONG).show();
onCreate(null);
}
}
}
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int which) {
//Intent intent = new Intent(NoteActivity.this,MyNote.class);
//startActivity(intent);
finish();
}
}).show();
}
/**判断短信长度*/
public static boolean isWithin(String text)
{
if(text.length()<=70)
{
return true;
}
else{
return false;
}
}
/**结束*/
public void finish()
{
super.finish();
}
}