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我試圖學習如何實現谷歌地圖v2的位置服務,但我不是很成功。接收錯誤'方法getController()是未定義的類型MapView'
我遵循這個指南 - http://www.youtube.com/watch?v=wKz04cs660E,我來到了錯誤的方法getController()是未定義的類型的MapView
我已閱讀地圖V2的文件,但我不能找到一個解決方案。
這裏是我的代碼
package com.example.gpslocation;
import com.google.android.gms.maps.CameraUpdate;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.MapView;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.maps.MapController;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.Menu;
public class GPSLocMainActivity extends android.support.v4.app.FragmentActivity implements LocationListener {
private GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_gpsloc_main);
MapView view=(MapView) findViewById(R.id.map);
map.setMapType(GoogleMap.MAP_TYPE_HYBRID);
//final MapController control=view.getController();
final MapController control = view.getController();
LocationManager manager=(LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
LocationListener listener=new LocationListener(){
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
control.setCenter(new com.google.android.maps.GeoPoint((int)location.getLatitude(), (int) location.getLongitude()));
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
}
};
manager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, listener);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.gpsloc_main, menu);
return true;
}
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
}
}
感謝提前:)
行,所以我解決了這個問題,這是很容易這樣做的,是我的新代碼顯示了在一個小標記屏幕
package com.example.gpslocation;
import com.google.android.gms.maps.CameraUpdate;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import android.location.Location;
import android.location.LocationListener;
import android.os.Bundle;
import android.view.Menu;
public class GPSLocMainActivity extends android.support.v4.app.FragmentActivity implements LocationListener {
private GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_gpsloc_main);
map=((MapFragment)getFragmentManager().findFragmentById(R.id.map)).getMap();
MapFragment MapFrag=(MapFragment) getFragmentManager().findFragmentById(R.id.map);
map=MapFrag.getMap();
map.setMyLocationEnabled(true);
map.setMapType(GoogleMap.MAP_TYPE_HYBRID);
}
@Override
public void onLocationChanged(Location location)
{
// TODO Auto-generated method stub
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.gpsloc_main, menu);
return true;
}
}
所有由於信貸這個傢伙---- http://www.youtube.com/watch?v=FVkUltGQkZE
好的發揮服務谷歌發揮服務文件夾中的示例應用程序謝謝你的幫助。我會檢查出來:) – user2946061