130 lines
5.0 KiB
Java
130 lines
5.0 KiB
Java
package com.uiui.aios.manager;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.util.Log;
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import com.amap.api.location.AMapLocation;
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import com.amap.api.location.AMapLocationClient;
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import com.amap.api.location.AMapLocationClientOption;
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import com.amap.api.location.AMapLocationListener;
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import com.google.gson.Gson;
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import com.google.gson.reflect.TypeToken;
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import com.tencent.mmkv.MMKV;
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import java.lang.reflect.Type;
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public class AmapManager {
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private String TAG = AmapManager.class.getSimpleName();
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private static final String AMAPLOCATION_JSON_KEY = "AMAPLOCATION_JSON_STRING";
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@SuppressLint("StaticFieldLeak")
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private static AmapManager sInstance;
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private Context mContext;
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private MMKV mMMKV = MMKV.defaultMMKV();
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private AMapLocationClient locationClient = null;
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private AMapLocation nowAMapLocation;
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private AmapManager(Context context) {
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this.mContext = context;
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}
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public static void init(Context context) {
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if (sInstance == null) {
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sInstance = new AmapManager(context);
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}
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}
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public static AmapManager getInstance() {
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if (sInstance == null) {
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throw new IllegalStateException("You must be init AmapManager first");
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}
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return sInstance;
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}
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public AMapLocationClient getLocationClient() {
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if (null == locationClient) {
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initAmap();
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}
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return locationClient;
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}
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public void initAmap() {
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locationClient = new AMapLocationClient(mContext);
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AMapLocationClientOption option = new AMapLocationClientOption();
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option.setLocationPurpose(AMapLocationClientOption.AMapLocationPurpose.SignIn);
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option.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
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option.setNeedAddress(true);
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//获取一次定位结果：
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//该方法默认为false。
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option.setOnceLocation(true);
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//获取最近3s内精度最高的一次定位结果：
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//设置setOnceLocationLatest(boolean b)接口为true，启动定位时SDK会返回最近3s内精度最高的一次定位结果。
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// 如果设置其为true，setOnceLocation(boolean b)接口也会被设置为true，反之不会，默认为false。
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option.setOnceLocationLatest(true);
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locationClient.setLocationOption(option);
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//设置定位模式为AMapLocationMode.Hight_Accuracy，高精度模式。
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//设置定位监听
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locationClient.setLocationListener(new AMapLocationListener() {
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@Override
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public void onLocationChanged(AMapLocation aMapLocation) {
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//errCode等于0代表定位成功，其他的为定位失败，具体的可以参照官网定位错误码说明
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if (aMapLocation.getErrorCode() == 0) {
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Log.e(TAG, "onLocationChanged: " + "定位成功");
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Log.e(TAG, "onLocationChanged: " + aMapLocation.getAddress());
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} else {
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//定位失败
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Log.e(TAG, "onLocationChanged: " + "定位失败");
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Log.e(TAG, "onLocationChanged: " + aMapLocation.getErrorInfo());
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}
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}
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});
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//设置场景模式后最好调用一次stop，再调用start以保证场景模式生效
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locationClient.stopLocation();
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locationClient.startLocation();
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Log.e(TAG, "initAmap: " + "startLocation");
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}
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public AMapLocation getNowAMapLocation() {
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if (nowAMapLocation == null) {
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String aMapLocationjson = mMMKV.decodeString(AMAPLOCATION_JSON_KEY, "");
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Type type = new TypeToken<AMapLocation>() {
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}.getType();
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AMapLocation aMapLocation = new Gson().fromJson(aMapLocationjson, type);
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return aMapLocation;
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}
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return this.nowAMapLocation;
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}
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public void startLocation(AMapLocationListener aMapLocationListener) {
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initAmap();
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locationClient.stopLocation();
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locationClient.startLocation();
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locationClient.setLocationListener(new AMapLocationListener() {
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@Override
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public void onLocationChanged(AMapLocation aMapLocation) {
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Log.d(TAG, "onLocationChanged: " + aMapLocation.toStr());
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if (aMapLocation.getErrorCode() == 0) {
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nowAMapLocation = aMapLocation;
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mMMKV.encode(AMAPLOCATION_JSON_KEY, aMapLocation.toStr());
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} else {
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mMMKV.encode(AMAPLOCATION_JSON_KEY, "");
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}
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aMapLocationListener.onLocationChanged(aMapLocation);
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}
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});
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}
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public String getLocation() {
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AMapLocation aMapLocation = getNowAMapLocation();
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if (aMapLocation == null) {
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return "0,0";
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} else {
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String location = aMapLocation.getLongitude() + "," + aMapLocation.getLatitude();
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Log.e(TAG, "getLocation: " + location);
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return location;
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}
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}
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}
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