MARS-android视频教程代码-第三季第五集(WEB JSON).doc

MARS-Android 视频教程实例源代码第三季第六集（定位操作MARS老师变相实现的那个）注：该例需要在Android2.2以下的模拟器或手机上去实现，否则就需要加入StrictMode语句代码，是因为android2.3以上版本加入了在访问网络、访问本地磁盘等费时操作时不能在主线程上实现的功能。AVD版本Build SDK和Mini SDKLocation01activity_main.xml MainActivity.javapackage mars.location06;import java.io.BufferedReader;import java.io.InputStreamReader;import .URLEncoder;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.DefaultHttpClient;import com.google.gson.Gson;import android.os.Bundle;import android.os.StrictMode;import android.annotation.SuppressLint;import android.app.Activity;import android.text.style.StrikethroughSpan;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity private Button geobutton=null;/SuppressLint( NewApi, NewApi, NewApi, NewApi, NewApi, NewApi, NewApi, NewApi, NewApi, NewApi, NewApi, NewApi )Override public void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); /StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build(); /StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectLeakedSqlLiteObjects().penaltyLog().penaltyDeath().build(); geobutton=(Button)findViewById(R.id.buttonId); geobutton.setOnClickListener(new geoButtonOnClickListener(); private class geoButtonOnClickListener implements OnClickListener public void onClick(View v) System.out.println(geoButtonListener); String url=/maps/api/geocode/json?latlng=40.714224,-73.961452&sensor=false; /String url=5/maps/api/geocode/json?+URLEncoder.encode(latlng=40.714224,-73.961452&sensor=false); HttpClient httpClient=new DefaultHttpClient(); String responseData=; try HttpResponse response=httpClient.execute(new HttpGet(url); HttpEntity entity=response.getEntity(); BufferedReader bufferReader=new BufferedReader(new InputStreamReader(entity.getContent(); String line=; while(line=bufferReader.readLine()!=null) responseData=responseData+line; catch(Exception e) e.printStackTrace(); Gson gson=new Gson(); TestResult testResult=gson.fromJson(responseData,TestResult.class); System.out.println(responseData); Override public boolean onCreateOptionsMenu(Menu menu) getMenuInflater().inflate(R.menu.activity_main, menu); return true; Result.javapackage mars.location06;public class Result private String types;private String formatted_address;/* * return the types */public String getTypes() return types;/* * param types the types to set */public void setTypes(String types) this.types = types;/* * return the formatted_address */public String getFormatted_address() return formatted_address;/* * param formatted_address the formatted_address to set */public void setFormatted_address(String formatted_address) this.formatted_address = formatted_address;TestResult.javapackage mars.location06;import java.util.List;public class TestResult private String status;private List results;/* * return the status */public String getStatus() return status;/* * param status the status to set */public void setStatus(String status) this.status = status;/* * return the results */public List getResults() return results;/* * param results the results to set */public void setResults(List results) this.results = results;/* (non-Javadoc) * see java.lang