Android：通过蓝牙GPS访问NMEA数据

我需要从连接的蓝牙GPS接收器访问NMEA字符串。注意：这适用于cordova应用程序

• 我已成功将接收器连接到Android设备 使用Android应用程序蓝牙GPS

• 通过允许模拟GPS提供商，我已经成功地在我的应用程序中使用了接收器

• 我可以成功地从设备的内部GPS获取NMEA数据，但当我启用模拟GPS提供程序时，NmeaListener停止启动

环境：

• 三星SM-T700
• 安卓4.4.2
• 科尔多瓦3.3.1
• 接收器箭头100

代码 权限

package org.apache.cordova.nmea;


import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.PluginResult;
import org.json.JSONArray;
import org.json.JSONException;

import android.content.Context;
import android.location.LocationManager;
import android.location.GpsStatus.NmeaListener;

import android.util.Log;

public class Nmea extends CordovaPlugin implements NmeaListener{
    private LocationManager locationManager;
    private CallbackContext savedCallbackContext;

    /**
     * Executes the request and returns PluginResult.
     *
     * @param action        The action to execute.
     * @param args      JSONArry of arguments for the plugin.
     * @param callbackContext   The callback id used when calling back into JavaScript.
     * @return          True if the action was valid, or false if not.
     */
    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
        this.savedCallbackContext = callbackContext;

        if (this.locationManager == null) {
            this.locationManager = (LocationManager) this.cordova.getActivity().getSystemService(Context.LOCATION_SERVICE);
        }

        if (action.equals("setNmeaListener")) {
            Log.w("NMEA", "setNmeaListerer fired");
            this.locationManager.addNmeaListener(this);             
        }

        return true;
    }
    public void onNmeaReceived(long timestamp, String nmea) {
        Log.w("Nmea", nmea);
        this.win(nmea);
    }
    private void win(String message) {
        // Success return object
        PluginResult result = new PluginResult(PluginResult.Status.OK, message);
        result.setKeepCallback(true);
        this.savedCallbackContext.sendPluginResult(result);
    }
}

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />
<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" />