android 模拟器上GPS的使用

Java代码：

package test.GPS;import android.app.Activity;import android.content.Context;import android.location.Criteria;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;public class TestGPSActivity extends Activity{private static final String TAG = "GPSTestActivity";private Location preLocation;private long preTime;private static final int step = 2000; // msecsprivate LocationManager locationManager;private boolean status = false;private Button btn;/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.main);Log.i(TAG, "onCreate(Bundle savedInstanceState)");btn = (Button) findViewById(R.id.beginBtn);btn.setOnClickListener(new OnClickListener(){public void onClick(View v){if (!status){status = true;startLoactionService();btn.setText("点击这里停止");}else{status = false;stopLocationService();btn.setText("点击这里开始");}}});}public void startLoactionService(){String serviceName = Context.LOCATION_SERVICE;locationManager = (LocationManager) getSystemService(serviceName);// String provider = LocationManager.GPS_PROVIDER;Criteria criteria = new Criteria();criteria.setAccuracy(Criteria.ACCURACY_FINE);criteria.setAltitudeRequired(false);criteria.setBearingRequired(false);criteria.setCostAllowed(true);criteria.setPowerRequirement(Criteria.POWER_LOW);String provider = locationManager.getBestProvider(criteria, true);Log.i(TAG, "we choose:"+provider);Location location = locationManager.getLastKnownLocation(provider);Log.i(TAG, "we :"+location);preTime = System.currentTimeMillis();updateWithNewLocation(location);locationManager.requestLocationUpdates(provider, step, 0,        locationListener);}public void stopLocationService(){if (locationManager != null){locationManager.removeUpdates(locationListener);}}private final LocationListener locationListener = new LocationListener(){public void onLocationChanged(Location location){Log.i(TAG, "onLocationChanged(Location location)");updateWithNewLocation(location);}public void onProviderDisabled(String provider){updateWithNewLocation(null);}public void onProviderEnabled(String provider){}public void onStatusChanged(String provider, int status, Bundle extras){}};private void updateWithNewLocation(Location location){Log.i(TAG, "updateWithNewLocation(Location location)");String latLongString;TextView myLocationText;myLocationText = (TextView) findViewById(R.id.result);if (location != null){double lat = location.getLatitude();double lng = location.getLongitude();long subTime = (System.currentTimeMillis() - preTime) / 1000;float v = (subTime == 0 || preLocation == null) ? 0 : (preLocation        .distanceTo(location) / subTime);latLongString = "纬度:" + lat + " 经度:" + lng + " 速度:" + v + " m/s , "        + v * 3.6 + " km/h";preLocation = location;preTime = System.currentTimeMillis();}else{latLongString = "无法获取地理信息";}myLocationText.setText(System.currentTimeMillis() + ": "        + latLongString);}}

xml代码：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    >    <Button android:id="@+id/beginBtn"    android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="start"    /><TextView  android:id="@+id/result"    android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="data"    /></LinearLayout>

加上权限：

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>

GPS数据模拟方法：

打开DDMS视图，找到Emulator Control，在Manual里面选择Sexagesimal,输入Longitude和Latitude，点击Send.至此完成测试.

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