高德地图设置拖动不返回中心点

灰太狼 2022-05-18 05:39 136阅读 0赞

效果：（这是gif循环播放的效果，播放一次就不会返回）

![20181228113847724.gif][]

public class WebViewActivity extends Activity implements AMapLocationListener, LocationSource, AMap.OnMapTouchListener, AMap.OnMarkerClickListener {
        private AMap aMap;
        private MapView mapView;
        private AMapLocationClient mlocationClient;
        private AMapLocationClientOption mLocationOption;
        // private RadioGroup mGPSModeGroup;
        private RelativeLayout tab_back_button;
        MyLocationStyle myLocationStyle;
        OnLocationChangedListener mListeners;
        private boolean canMove = true;//变量控制拖动不返回中心点

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);// 不显示程序的标题栏
        setContentView(R.layout.activity_map);
        mapView = (MapView) findViewById(R.id.map);
        mapView.onCreate(savedInstanceState);// 此方法必须重写
        if (aMap == null) {
            aMap = mapView.getMap();
        }
        aMap.setLocationSource(this);
        myLocationStyle = new MyLocationStyle();
        // myLocationStyle.interval(2000);
        myLocationStyle.myLocationIcon(null);
        //不显示Marker外的圆圈
        myLocationStyle.strokeColor(Color.argb(00, 255, 255, 255));
        myLocationStyle.radiusFillColor(Color.argb(00, 255, 255, 255));
    
        myLocationStyle.myLocationType(MyLocationStyle.LOCATION_TYPE_MAP_ROTATE);
        aMap.getUiSettings().setMyLocationButtonEnabled(true);
        aMap.setMyLocationStyle(myLocationStyle);
        aMap.setOnMapTouchListener(this);
        aMap.setMyLocationEnabled(true);
    
        aMap.setOnMarkerClickListener(this);

@Override
    protected void onResume() {
        super.onResume();
        mapView.onResume();
    }
    
    @Override
    protected void onPause() {
        super.onPause();
        mapView.onPause();
    }
    
    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        mapView.onSaveInstanceState(outState);
    }

@Override
    protected void onDestroy() {
        mapView.onDestroy();
        super.onDestroy();
    }

@Override
    public void onLocationChanged(AMapLocation aMapLocation) {
        Log.d("activateactivate", "onLocationChanged");
        //Log.d("activateactivate","aMapLocation.getErrorCode()="+aMapLocation.getErrorCode() );
        if (mListeners != null && aMapLocation != null) {
            if (aMapLocation != null
                    && aMapLocation.getErrorCode() == 0) {
                // Log.d("activateactivate","onLocationChanged"+aMapLocation.getAddress()+",,,"+aMapLocation.getCity());
                if (canMove) {
                    mListeners.onLocationChanged(aMapLocation);
                    Log.d("activateactivate", aMapLocation.getPoiName());
                }
            } else {
                String errText = "定位失败," + aMapLocation.getErrorCode() + ": " + aMapLocation.getErrorInfo();
                Log.e("activateactivate", errText);
            }
        }
    }

@Override
    public void activate(OnLocationChangedListener onLocationChangedListener) {
        canMove = true;
        mListeners = onLocationChangedListener;
        Log.d("activateactivate", "activateactivate");
        if (mlocationClient == null) {
            mlocationClient = new AMapLocationClient(getApplicationContext());
            mLocationOption = new AMapLocationClientOption();
            mlocationClient.setLocationListener(this);
            //  mLocationOption.setLocationPurpose(AMapLocationClientOption.AMapLocationPurpose.SignIn);
            mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
            mlocationClient.setLocationOption(mLocationOption);
            mlocationClient.stopLocation();
            mlocationClient.startLocation();
        }
    }

@Override
    public void deactivate() {
        Log.d("activateactivate", "deactivatedeactivate");
        mListeners = null;
        if (mlocationClient != null) {
            mlocationClient.stopLocation();
            mlocationClient.onDestroy();
        }
        mlocationClient = null;
    }

@Override
    public void onTouch(MotionEvent motionEvent) {
        if (canMove) {
            //用户拖动地图后，不再跟随移动，直到用户点击定位按钮
            canMove = false;
        }
    }

}

[20181228113847724.gif]: /images/20220518/b117ca9a6ff64270b78968208f52e4ff.png