Sample_15_4.rar_安卓_安卓 天气预报_安卓天气

package wyf.wpf; //声明包语句 import java.io.InputStream; import java.net.URL; import java.net.URLConnection; import javax.xml.parsers.SAXParser; import javax.xml.parsers.SAXParserFactory; import org.xml.sax.InputSource; import org.xml.sax.XMLReader; import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; public class Sample_15_4 extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button btnGo = (Button)findViewById(R.id.btnGo); btnGo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { EditText etCity = (EditText)findViewById(R.id.etCity); String sCity = etCity.getEditableText().toString().trim(); //获得EditText控件内容 if(sCity.equals("")){ //判断输入的城市名是否为空 Toast.makeText(Sample_15_4.this, "请输入正确的城市名称！", Toast.LENGTH_LONG).show(); return; } try{ String urlStr = "http://www.google.com/ig/api?weather=" + sCity; urlStr = urlStr.replaceFirst(" ", "%20"); //替换空格为 %20 URL weatherUrl = new URL(urlStr); parseWeatherInfo(weatherUrl); //调用方法解析天气信息 } catch(Exception e){ e.printStackTrace(); } } }); } //方法：解析天气信息 public void parseWeatherInfo(URL url){ try { SAXParserFactory sf = SAXParserFactory.newInstance(); //创建SAXParserFactory对象 SAXParser sp = sf.newSAXParser(); //创建SAXParser对象 XMLReader xr = sp.getXMLReader(); //获得XMLReader对象 MyWeatherHandler mwh = new MyWeatherHandler(); //创建解析XML内容的MyWeatherHandler对象 xr.setContentHandler(mwh); //设置XMLReader的Handler xr.parse(new InputSource(url.openStream())); //解析XML文件 StringBuilder sb = new StringBuilder(); sb.append(mwh.getMain_condition()); sb.append("\n"); sb.append(mwh.getTemprature()); sb.append("\n"); sb.append(mwh.getHumidity()); sb.append("\n"); sb.append(mwh.getWind()); TextView tv = (TextView)findViewById(R.id.tvResult); tv.setText(sb.toString()); URL iconUrl = new URL("http://www.google.com"+mwh.getIcon()); //生成图片路径 URLConnection con = iconUrl.openConnection(); InputStream in = con.getInputStream(); Bitmap bmp = BitmapFactory.decodeStream(in); ImageView iv = (ImageView)findViewById(R.id.ivResult); //获得ImageView对象 iv.setImageBitmap(bmp); //设置ImageView的图片 } catch (Exception e) { //捕获并打印异常 e.printStackTrace(); } } }