權限
<!--用於進行網絡定位-->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
<!--用於訪問GPS定位-->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
<!--獲取運營商信息,用於支持提供運營商信息相關的接口-->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<!--用於訪問wifi網絡信息,wifi信息會用於進行網絡定位-->
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
<!--這個權限用於獲取wifi的獲取權限,wifi信息會用來進行網絡定位-->
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
<!--用於訪問網絡,網絡定位需要上網-->
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<!--用於讀取手機當前的狀態-->
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
<!--寫入擴展存儲,向擴展卡寫入數據,用於寫入緩存定位數據-->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<!--用於申請調用A-GPS模塊-->
<uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS"></uses-permission>
<!--用於申請獲取藍牙信息進行室內定位-->
<uses-permission android:name="android.permission.BLUETOOTH"></uses-permission>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"></uses-permission>
<!--允許程序打開網絡套接字-->
<uses-permission android:name="android.permission.INTERNET" />
<!--允許程序設置內置sd卡的寫權限-->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!--允許程序獲取網絡狀態-->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<!--允許程序訪問WiFi網絡信息-->
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<!--允許程序讀寫手機狀態和身份-->
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<!--允許程序訪問CellID或WiFi熱點來獲取粗略的位置-->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
Activity
package com.jia.wangjiamap;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
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 MainActivity extends AppCompatActivity implements LocationSource, AMapLocationListener {
private MapView mapView;
OnLocationChangedListener listener;
AMapLocationClient client;
AMapLocationClientOption option;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
AMap aMap = null;
if(aMap == null){
aMap = mapView.getMap();
}
aMap.setLocationSource(this);
aMap.setMyLocationEnabled(true);
aMap.setMyLocationType(AMap.LOCATION_TYPE_LOCATE);
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
if(null != client){
client.onDestroy();
}
}
@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
public void activate(OnLocationChangedListener onLocationChangedListener) {
listener = onLocationChangedListener;
if(client == null){
//初始化定位
client = new AMapLocationClient(this);
//初始化定位參數
option = new AMapLocationClientOption();
//設置定位回調監聽
client.setLocationListener(this);
//設置爲高精度定位模式
option.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
//設置定位參數
client.setLocationOption(option);
//啓動定位
client.startLocation();
}
}
//停止定位
@Override
public void deactivate() {
listener = null;
if (client!=null) {
client.stopLocation();
client.onDestroy();
}
client = null;
}
//定位成功後回調參數
@Override
public void onLocationChanged(AMapLocation aMapLocation) {
if (listener!=null&&aMapLocation!=null) {
if(aMapLocation!=null&&aMapLocation.getErrorCode()==0){
listener.onLocationChanged(aMapLocation);
}else {
String errText = "定位失敗," + aMapLocation.getErrorCode()+ ": " + aMapLocation.getErrorInfo();
Log.e("AmapErr",errText);
}
}
}
}