android 百度API定位以及獲取天氣
阿新 • • 發佈：2019-01-23
1.申請百度AK
在應用中的manifest申明
<meta-data
android:name="com.baidu.lbsapi.API_KEY"
android:value="dP15rUSoUIwDll5qYj71pNOn" />2.註冊服務以及匯入jar包和so檔案
在lib/資料夾下匯入BaiduLBS_Android.jar
在lib/armeabi資料夾下匯入liblocSDK4d.so
註冊百度服務：
<service android:name="com.baidu.location.f" android:enabled="true" android:process=":remote" > </service>
申明許可權：
<!-- 這個許可權用於進行網路定位 --> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" > </uses-permission> <!-- 這個許可權用於訪問GPS定位 --> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" > </uses-permission> <!-- 用於訪問wifi網路資訊，wifi資訊會用於進行網路定位 --> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" > </uses-permission> <!-- 獲取運營商資訊，用於支援提供運營商資訊相關的介面 --> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" > </uses-permission> <!-- 這個許可權用於獲取wifi的獲取許可權，wifi資訊會用來進行網路定位 --> <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" > </uses-permission> <!-- 用於讀取手機當前的狀態 --> <uses-permission android:name="android.permission.READ_PHONE_STATE" > </uses-permission> <!-- 寫入擴充套件儲存，向擴充套件卡寫入資料，用於寫入離線定位資料 --> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" > </uses-permission> <!-- 訪問網路，網路定位需要上網 --> <uses-permission android:name="android.permission.INTERNET" /> <!-- SD卡讀取許可權，使用者寫入離線定位資料 --> <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" > </uses-permission> <!-- 允許應用讀取低級別的系統日誌檔案 --> <uses-permission android:name="android.permission.READ_LOGS" > </uses-permission>
3.定位
package com.location.model; import android.content.Context; import android.util.Log; import com.baidu.location.BDLocation; import com.baidu.location.BDLocationListener; import com.baidu.location.LocationClient; import com.baidu.location.LocationClientOption; import com.baidu.location.LocationClientOption.LocationMode; import com.physical.training.utils.Utils; public class LocationApi { private Context mContext; private static volatile LocationApi sApi; public LocationClient mLocationClient = null; public BDLocationListener myListener = new MyLocationListener(); private double mPreLongitude = Integer.MIN_VALUE; private double mPreLatitude = Integer.MIN_VALUE; private OnLocationListener mLocationListener; private double mDistance = 0; private LocationApi(Context context) { mContext = context; } public static LocationApi getInstance(Context context) { if (sApi == null) { synchronized (LocationApi.class) { if (sApi == null) { sApi = new LocationApi(context.getApplicationContext()); } } } return sApi; } public void setOnLocationListener(OnLocationListener l) { mLocationListener = l; } public void startLocation() { mLocationClient = new LocationClient(mContext); // 宣告LocationClient類 mLocationClient.registerLocationListener(myListener); // 註冊監聽函式 LocationClientOption option = new LocationClientOption(); option.setLocationMode(LocationMode.Hight_Accuracy);// 設定定位模式 option.setCoorType("bd09ll");// 返回的定位結果是百度經緯度,預設值gcj02 option.setScanSpan(3000);// 設定發起定位請求的間隔時間 option.setIsNeedAddress(true);// 返回的定位結果包含地址資訊 option.setNeedDeviceDirect(true);// 返回的定位結果包含手機機頭的方向 option.setOpenGps(true); mLocationClient.setLocOption(option); mLocationClient.start();//開始定位 mLocationClient.requestLocation(); mPreLongitude = Integer.MIN_VALUE; mPreLatitude = Integer.MIN_VALUE; mDistance = 0; } public void stopLocation() { if(mLocationClient != null) { mLocationClient.stop(); mLocationClient.unRegisterLocationListener(myListener); mLocationClient = null; mPreLongitude = Integer.MIN_VALUE; mPreLatitude = Integer.MIN_VALUE; mDistance = 0; } } public class MyLocationListener implements BDLocationListener { @Override public void onReceiveLocation(BDLocation location) { if (location == null) return; double longitude = location.getLongitude(); double latitude = location.getLatitude(); Log.e("LocationApi", longitude + " " + latitude); Log.e("LocationApi", "mDistance++ = " + mDistance); if (mPreLongitude != Integer.MIN_VALUE) { mDistance += Math.abs(Utils.getDistance(mPreLongitude, mPreLatitude, longitude, latitude)) + 100; } Log.e("LocationApi", "mDistance-- = " + mDistance); if (mLocationListener != null) { mLocationListener.onLocationChange(); } mPreLongitude = longitude; mPreLatitude = latitude; } } public int getDistance() { return (int) mDistance; } public interface OnLocationListener { public void onLocationChange(); } }
4.天氣
WeatherApi.java定位到經緯度
package com.weather.model;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.location.LocationClientOption.LocationMode;
import com.common.data.HttpEventHandler;
import com.physical.training.R;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.util.Log;
public class WeatherApi {
private Context mContext;
private static volatile WeatherApi sApi;
private WeatherFactory mWeatherFactory;
public LocationClient mLocationClient = null;
public BDLocationListener myListener = new MyLocationListener();
OnWeatherUpdateListener mListener;
WeatherInfo mInfo;
private WeatherApi(Context context) {
mContext = context;
mLocationClient = new LocationClient(mContext); // 宣告LocationClient類
mLocationClient.registerLocationListener(myListener); // 註冊監聽函式
mWeatherFactory = new WeatherFactory();
mWeatherFactory.setHttpEventHandler(mEventHandler);
}
public void setOnWeatherUpdateListener(OnWeatherUpdateListener l) {
mListener = l;
}
public void startLocation() {
LocationClientOption option = new LocationClientOption();
option.setLocationMode(LocationMode.Hight_Accuracy);// 設定定位模式
option.setCoorType("bd09ll");// 返回的定位結果是百度經緯度,預設值gcj02
option.setScanSpan(60 * 60 * 1000);// 設定發起定位請求的間隔時間
option.setIsNeedAddress(true);// 返回的定位結果包含地址資訊
option.setNeedDeviceDirect(true);// 返回的定位結果包含手機機頭的方向
mLocationClient.setLocOption(option);
mLocationClient.start();
}
public void stopLocation() {
mLocationClient.stop();
}
public static WeatherApi getInstance(Context context) {
if (sApi == null) {
synchronized (WeatherApi.class) {
if (sApi == null) {
sApi = new WeatherApi(context.getApplicationContext());
}
}
}
return sApi;
}
public class MyLocationListener implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
if (location == null)
return;
Log.d("LocSDK5", location.getCity() + " " + location.getCityCode());
mWeatherFactory.downloaDatas(location.getLongitude() + "," + location.getLatitude());
}
}
public WeatherInfo getWeatherInfo() {
return mInfo;
}
public void destory() {
mLocationClient.unRegisterLocationListener(myListener);
}
private HttpEventHandler<WeatherInfo> mEventHandler = new HttpEventHandler<WeatherInfo>() {
@Override
public void HttpSucessHandler(WeatherInfo arg0) {
mInfo = arg0;
if (mListener != null) {
mListener.onWeatherUpdate();
}
if (mInfo != null) {
NotificationManager notificationManager = (NotificationManager) mContext
.getSystemService(android.content.Context.NOTIFICATION_SERVICE);
Notification notification = new Notification(R.drawable.ic_launcher, "weather",
System.currentTimeMillis());
notification.setLatestEventInfo(mContext,
mContext.getResources().getString(R.string.notification_weather_title, mInfo.cityName),
mInfo.weather + "," + mInfo.temperature + "," + mInfo.wind, null);
notificationManager.notify(Integer.MAX_VALUE, notification);
}
}
@Override
public void HttpFailHandler() {
}
};
public interface OnWeatherUpdateListener {
public void onWeatherUpdate();
}
}
WeatherFactory.java建立訪問天氣的uri，獲取天氣的json資料，http://api.map.baidu.com/telematics/v3/weather?location=%s&output=json&ak=T2AHbrsEn5FaSg4Iir8YfP1U，location表示經緯度，用分號隔開
package com.weather.model;
import java.io.IOException;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.util.Log;
import com.common.data.HttpJsonFactoryBase;
public class WeatherFactory extends HttpJsonFactoryBase<WeatherInfo> {
@Override
protected WeatherInfo analysisData(JSONObject json) throws IOException {
WeatherInfo info = new WeatherInfo();
Log.e("WeatherFactory", json.toString());
try {
JSONArray results = json.getJSONArray("results");
JSONObject result = results.getJSONObject(0);
info.cityName = result.getString("currentCity");
info.pm25 = result.getString("pm25");
JSONArray weatherDatas = result.getJSONArray("weather_data");
JSONObject weatherData = weatherDatas.getJSONObject(0);
info.weather = weatherData.getString("weather");
info.wind = weatherData.getString("wind");
info.temperature = weatherData.getString("temperature");
Log.e("WeatherFactory", info.toString());
return info;
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
@Override
protected String createUri(Object... arg0) {
return String.format(
"http://api.map.baidu.com/telematics/v3/weather?location=%s&output=json&ak=T2AHbrsEn5FaSg4Iir8YfP1U",
arg0[0]);
}
}