同样的方法在Activity里可以正常显示,但在Fragment里只加载出了地图,无法显示定位。应该是Fragment的问题。求大神教育!
public class ParkFragment extends Fragment implements
LocationSource AMapLocationListener OnCheckedChangeListener{
private MapView mapView;
private AMap aMap;
private OnLocationChangedListener mListener;
private LocationManagerProxy mAMapLocationManager;
private ImageView imglist;
@Override
public View onCreateView(LayoutInflater inflater ViewGroup container
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.tab01 container false);
imglist = (ImageView) view.findViewById(R.id.imglist);
imglist.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity() ParklistActivity.class);
startActivity(intent);
}
});
//在onCreate方法中给aMap对象赋值
mapView = (MapView) view.findViewById(R.id.map);
mapView.onCreate(savedInstanceState);// 必须要写
aMap = mapView.getMap();
return view;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
init();
}
/**
* 初始化AMap对象
*/
public void init() {
if (aMap == null) {
aMap = mapView.getMap();
setUpMap();
}
}
public void setUpMap() {
aMap.setLocationSource((LocationSource) getActivity());// 设置定位监听
aMap.getUiSettings().setMyLocationButtonEnabled(true);// 设置默认定位按钮是否显示
aMap.setMyLocationEnabled(true);// 设置为true表示显示定位层并可触发定位,false表示隐藏定位层并不可触发定位,默认是false
aMap.setMyLocationType(AMap.LOCATION_TYPE_LOCATE);
}
/**
* 此方法需存在
*/
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
/**
* 此方法需存在
*/
@Override
public void onPause() {
super.onPause();
mapView.onPause();
deactivate();
}
/**
* 方法必须重写
*/
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
/**
* 此方法需存在
*/
@Override
public void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
@Override
public void onLocationChanged(Location location) {
}
/**
* 定位成功后回调函数
*/
@Override
public void onLocationChanged(AMapLocation amapLocation) {
if (mListener != null && amapLocation != null) {
if (amapLocation!=null&&amapLocation.getAMapException().getErrorCode() == 0) {
mListener.onLocationChanged(amapLocation);// 显示系统小蓝点
}
}
}
/**
* 激活定位
*/
@Override
public void activate(OnLocationChangedListener listener) {
mListener = listener;
if (mAMapLocationManager == null) {
mAMapLocationManager = LocationManagerProxy.getInstance(getActivity());
//此方法为每隔固定时间会发起一次定位请求,为了减少电量消耗或网络流量消耗,
//注意设置合适的定位时间的间隔,并且在合适时间调用removeUpdates()方法来取消定位请求
//在定位结束后,在合适的生命周期调用destroy()方法
//其中如果间隔时间为-1,则定位只定一次
mAMapLocationManager.requestLocationData(
LocationProviderProxy.AMapNetwork 60*1000 10 this);
}
}
/**
* 停止定位
*/
@Override
public void deactivate() {
mListener = null;
if (mAMapLocationManager != null) {
mAMapLocationManager.removeUpdates(this);
mAMapLocationManager.destroy();
}
mAMapLocationManager = null;
}
@Override
public void onStatusChanged(String provider int status Bundle extras) {
// TODO Auto-generated method stub
}
@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onCheckedChanged(RadioGroup group int checkedId) {
// TODO Auto-generated method stub
}