為什么我在設定完myLocationStyle.showMyLocation(false);這條屬性后 地圖就不顯示了，只顯示高德地圖logo

package com.example.ledong.fragment;


import android.graphics.Color;
import android.os.Bundle;



import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;

import com.amap.api.location.AMapLocation;
import com.amap.api.maps.AMap;

import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;
import com.amap.api.maps.TextureMapView;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.MyLocationStyle;
import com.example.ledong.R;




/**
 * Created by NEDUsoftware on 2016/11/3.
 */
import android.widget.CompoundButton;
import android.widget.ToggleButton;

import androidx.fragment.app.Fragment;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.maps.AMap;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;
import com.amap.api.maps.model.MyLocationStyle;


public class OutdoorRunFragment extends Fragment implements CompoundButton.OnCheckedChangeListener,LocationSource,AMapLocationListener {
    private TextureMapView mapView;
    private AMap aMap;
    private MyLocationStyle myLocationStyle;
    private OnLocationChangedListener mListener;
    private AMapLocationClient locationClient;
    private AMapLocationClientOption clientOption;


    public static OutdoorRunFragment newInstance() {
        OutdoorRunFragment fragment = new OutdoorRunFragment();
        return fragment;
    }

    public OutdoorRunFragment() {

    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_outdoor_run, container, false);
        initview(savedInstanceState,view);
        return view;
    }

    private void initview( Bundle savedInstanceState,View view){
        mapView= view.findViewById(R.id.map);
        mapView.onCreate(savedInstanceState);
        if (aMap==null)
        {
            aMap=mapView.getMap();
        }
        //設定縮放級別
        LatLng latLng = new LatLng(121.391382,37.539297);//構造一個位置
        aMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLng,17));
        //顯示定位層并可觸發，默認false
        aMap.getUiSettings().setZoomControlsEnabled(false);//設定右下角縮放按鈕是否顯示
        aMap.getUiSettings().setMyLocationButtonEnabled(false);//設定右上角定位按鈕是否顯示
        aMap.setLocationSource(this);
        aMap.setMyLocationEnabled(true);


        myLocationStyle = new MyLocationStyle();//初始化定位藍點樣式類
        myLocationStyle.strokeColor(Color.argb(0, 0, 0, 0));// 自定義精度范圍的圓形邊框顏色
        myLocationStyle.radiusFillColor(Color.argb(0, 0, 0, 0));//圓圈的顏色,設為透明的時候就可以去掉園區區域了
        myLocationStyle.showMyLocation(false);
        aMap.setMyLocationStyle(myLocationStyle);//設定定位藍點的Style
    }


    /**
     * 激活定位
     */
    @Override
    public void activate(OnLocationChangedListener listener) {
        mListener=listener;
        if(locationClient==null){
            locationClient=new AMapLocationClient(getActivity());
            clientOption=new AMapLocationClientOption();
            locationClient.setLocationListener(this);
            clientOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);//高精度定位
            clientOption.setOnceLocationLatest(true);//設定單次精確定位
            locationClient.setLocationOption(clientOption);
            locationClient.startLocation();
        }

    }
    /**
     * 停止定位
     */
    @Override
    public void deactivate() {
        mListener=null;
        if(locationClient!=null){
            locationClient.stopLocation();
            locationClient.onDestroy();
        }
        locationClient=null;
    }

    @Override
    public void onLocationChanged(AMapLocation aMapLocation) {
        if (mListener != null&&aMapLocation != null) {
            if (aMapLocation != null
                    &&aMapLocation.getErrorCode() == 0) {
                mListener.onLocationChanged(aMapLocation);// 顯示系統小藍點
            } else {
                String errText = "定位失敗," + aMapLocation.getErrorCode()+ ": " + aMapLocation.getErrorInfo();
                Log.e("AmapErr",errText);
            }
        }
    }

    @Override
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        if(isChecked){
            aMap.setMapType(AMap.MAP_TYPE_SATELLITE);
        }
        else {
            aMap.setMapType(AMap.MAP_TYPE_NORMAL);
        }
    }

    /**
     * 必須重寫以下方法
     */
    @Override
    public void onResume(){
        super.onResume();
        mapView.onResume();
    }

    @Override
    public void onPause() {
        super.onPause();
        mapView.onPause();
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        mapView.onSaveInstanceState(outState);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        mapView.onDestroy();
        if(locationClient!=null){
            locationClient.onDestroy();
        }
    }
}

uj5u.com熱心網友回復：

地圖白屏，只顯示高德地圖logo

轉載請註明出處，本文鏈接：https://www.uj5u.com/yidong/67314.html

標籤：Android

上一篇：96年的我辭去年薪13w的作業開始互聯網創業！你呢？

下一篇：請問一下，如何搭建環境，在安卓系統上運行AI程式？