<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.maptest"> <!--定位的相關權限--> <uses-permission android:name="com.android.launcher.permission.READ_SETTINGS"/> <uses-permission android:name="android.permission.WAKE_LOCK"/> <uses-permission android:name="android.permission.WRITE_SETTINGS"/> <!-- 這個權限用于進行網絡定位--> <uses-permission android:name="android.permission.access_COARSE_LOCATION"></uses-permission> <!-- 這個權限用于訪問GPS定位--> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission> <!-- 用于訪問wifi網絡信息，wifi信息會用于進行網絡定位--> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission> <!-- 獲取運營商信息，用于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> <!-- 這個權限用于獲取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> <!-- 用于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，用于寫入離線定位數據--> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission> <!-- 訪問網絡，網絡定位需要上網--> <uses-permission android:name="android.permission.INTERNET"/> <!-- SD卡讀取權限，用戶寫入離線定位數據--> <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/APPTheme"> <!--百度key--> <meta-data android:name="com.baidu.lbsapi.API_KEY" android:value="您的地圖key"/> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> <!--注冊定位服務--> <service android:name="com.baidu.location.f" android:enabled="true" android:process=":remote"> </service> </application></manifest>
MainActivity方法(只是一個MapView就不放xml了)
package com.maptest;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.Toast;import com.baidu.location.BDLocation;import com.baidu.location.BDLocationListener;import com.baidu.location.LocationClient;import com.baidu.location.LocationClientOption;import com.baidu.mapapi.SDKInitializer;import com.baidu.mapapi.map.BaiduMap;import com.baidu.mapapi.map.BitmapDescriptor;import com.baidu.mapapi.map.BitmapDescriptorFactory;import com.baidu.mapapi.map.MyLocationConfiguration.LocationMode;import com.baidu.mapapi.map.MapStatusUpdate;import com.baidu.mapapi.map.MapStatusUpdateFactory;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.MyLocationConfiguration;import com.baidu.mapapi.map.MyLocationData;import com.baidu.mapapi.model.LatLng;public class MainActivity extends AppCompatActivity { private MapView mapView; //初始化定位類 private LocationClient mLocationClient = null; private BDLocationListener myListener = null; private LocationMode mLocationMode; private BaiduMap mBaidumap; //是否第一次定位 private boolean isFirstIn = true; //定位自己圖標 private BitmapDescriptor mIconLocation; //位置方向偏移量 private float mCurrentX; //位置傳感器 private MyOrientationListener myOrientationListener; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); SDKInitializer.initialize(getApplicationContext()); setContentView(R.layout.activity_main); mapView = (MapView) findViewById(R.id.bmapView); mBaidumap = mapView.getMap(); initLocation(); } private void initLocation() { mLocationMode = LocationMode.NORMAL; mLocationClient = new LocationClient(getApplicationContext()); myListener = new MyLocationListener(); mLocationClient.registerLocationListener(myListener); LocationClientOption option = new LocationClientOption(); option.setCoorType("bd09ll"); //坐標類型 option.setIsNeedAddress(true); //返回當前位置 option.setOpenGps(true); option.setScanSpan(5000); //多少秒一次請求 mLocationClient.setLocOption(option); //加載option //初始化自己位置的圖標 mIconLocation = BitmapDescriptorFactory.fromResource(R.drawable.navi_map_gps_locked); //初始化方向傳感器 myOrientationListener = new MyOrientationListener(this); myOrientationListener.setOnOrientationListener(new MyOrientationListener.OnOrientationListener() { @Override public void onOrientationChanged(float x) { //更新當前位置方向 mCurrentX = x; } }); } @Override protected void onStart() { super.onStart(); mBaidumap.setMyLocationEnabled(true); //開啟定位的允許 if (!mLocationClient.isStarted()) //判斷是否啟動 { //開啟定位 mLocationClient.start(); } // 開啟方向傳感器 myOrientationListener.start(); } public class MyLocationListener implements BDLocationListener { @Override public void onReceiveLocation(BDLocation location) { if (location.getLocType() == BDLocation.TypeOffLineLocationFail || location.getLocType() == BDLocation.TypeOffLineLocationNetworkFail || location.getLocType() == BDLocation.TypeCriteriaException || location.getLocType() == BDLocation.TypeNetWorkException || location.getLocType() == BDLocation.TypeServerError) { Toast.makeText(MainActivity.this, "獲取定位失敗", Toast.LENGTH_SHORT).show(); } else { // 構造定位數據 MyLocationData locData = new MyLocationData.Builder() .direction(mCurrentX)// 方向 .accuracy(location.getRadius())//精度 .latitude(location.getLatitude())// .longitude(location.getLongitude())// .build(); //build模式 // 設置定位數據 mBaidumap.setMyLocationData(locData); // 設置定位圖層的配置（定位模式，是否允許方向信息，用戶自定義定位圖標） MyLocationConfiguration config = new MyLocationConfiguration(mLocationMode, true, mIconLocation); mBaidumap.setMyLocationConfigeration(config); //第一次定位時更新地圖中心點 if (isFirstIn) { //定位到自己所在的位置 LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude()); MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(latLng); mBaidumap.setMapStatus(msu); isFirstIn = false; } } } @Override public void onConnectHotSpotMessage(String s, int i) { } } @Override protected void onResume() { mapView.onResume(); super.onResume(); } @Override protected void onDestroy() { mLocationClient.stop(); mapView.onDestroy(); super.onDestroy(); } @Override protected void onPause() { mapView.onPause(); super.onPause(); }}方向傳感器
package com.maptest;import android.content.Context;import android.hardware.Sensor;import android.hardware.SensorEvent;import android.hardware.SensorEventListener;import android.hardware.SensorManager;public class MyOrientationListener implements SensorEventListener { private SensorManager mSensorManager; private Context mContext; private Sensor mSensor; private float lastX; public MyOrientationListener(Context context) { this.mContext = context; } @SuppressWarnings("deprecation") public void start() //開始監聽 { mSensorManager = (SensorManager) mContext .getSystemService(Context.SENSOR_SERVICE); if (mSensorManager != null) { // 獲得方向傳感器 mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION); } //注冊方向傳感器廣播 if (mSensor != null) { mSensorManager.registerListener(this, mSensor, SensorManager.SENSOR_DELAY_UI); } } public void stop() //結束監聽 { mSensorManager.unregisterListener(this); } @Override public void onAccuracyChanged(Sensor arg0, int arg1) { // TODO Auto-generated method stub } @SuppressWarnings( {"deprecation"}) //方向發生改變 @Override public void onSensorChanged(SensorEvent event) { if (event.sensor.getType() == Sensor.TYPE_ORIENTATION) { float x = event.values[SensorManager.DATA_X]; if (Math.abs(x - lastX) > 1.0) //角度大于1度 { if (mOnOrientationListener != null) { mOnOrientationListener.onOrientationChanged(x); } } lastX = x; } } private OnOrientationListener mOnOrientationListener; public void setOnOrientationListener( OnOrientationListener mOnOrientationListener) { this.mOnOrientationListener = mOnOrientationListener; } //跑出接口 public interface OnOrientationListener { void onOrientationChanged(float x); }}
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