de.inhji.cordova.plugin.Telephony.java Source code

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Here is the source code for de.inhji.cordova.plugin.Telephony.java

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/**
 *  Telephony.java
 *  Cordova Mobile Data Plugin
 *
 *  Created by Sebastian Katzer (github.com/katzer) on 16/08/2013.
 *  Copyright 2013 Sebastian Katzer. All rights reserved.
 *  GPL v2 licensed
 */

package de.inhji.cordova.plugin;

import java.io.File;
import java.util.ArrayList;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Intent;
import android.net.Uri;
import android.text.Html;
import android.util.Log;
import android.os.Bundle;
import android.content.Context;

import org.apache.cordova.CordovaWebView;
import org.apache.cordova.CordovaInterface;
import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.CallbackContext;
import org.apache.cordova.PluginResult;
import org.apache.cordova.LOG;

import android.telephony.TelephonyManager;
import android.telephony.PhoneStateListener;
import android.telephony.SignalStrength;
import android.telephony.CellInfo;
import android.telephony.CellInfoCdma;
import android.telephony.CellInfoWcdma;
import android.telephony.CellInfoGsm;
import android.telephony.CellInfoLte;
import android.telephony.CellSignalStrengthCdma;
import android.telephony.CellSignalStrengthWcdma;
import android.telephony.CellSignalStrengthGsm;
import android.telephony.CellSignalStrengthLte;

public class Telephony extends CordovaPlugin {

    private CallbackContext ctx;
    private static final String TAG = "Telephony";
    public int MobileSignalStrength = 0;

    public Context context = null;
    public TelephonyManager tm = null;
    public MyPhoneStateListener listener = null;

    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
        super.initialize(cordova, webView);

        context = this.cordova.getActivity().getApplicationContext();
        tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);

        listener = new MyPhoneStateListener();
        tm.listen(listener, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);

        Log.i(TAG, "Starting PhoneStateListener..");
    }

    @Override
    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {

        if ("getCarrier".equals(action)) {
            getCarrier(callbackContext);
            return true;
        }

        if ("getSignal".equals(action)) {
            getSignal(callbackContext);
            return true;
        }

        // Returning false results in a "MethodNotFound" error.
        return false;
    }

    private class MyPhoneStateListener extends PhoneStateListener {
        @Override
        public void onSignalStrengthsChanged(SignalStrength signalStrength) {
            super.onSignalStrengthsChanged(signalStrength);

            int strengthAmplitude = 0;

            if (signalStrength.isGsm()) {
                if (signalStrength.getGsmSignalStrength() != 99)
                    strengthAmplitude = signalStrength.getGsmSignalStrength() * 2 - 113;
                else
                    strengthAmplitude = -1;
            } else {
                strengthAmplitude = signalStrength.getCdmaDbm();
            }

            MobileSignalStrength = strengthAmplitude;

            Log.i(TAG, Integer.toString(strengthAmplitude));
        }
    }

    public void onDestroy() {
        super.onDestroy();
        Log.i(TAG, "Stopping PhoneStateListener..");
        tm.listen(listener, PhoneStateListener.LISTEN_NONE);
    }

    /**
     * Ruft die derzeitige Signalstrke ab
     */
    private void getSignal(CallbackContext ctx) {
        PluginResult result = new PluginResult(PluginResult.Status.OK, MobileSignalStrength);
        ctx.sendPluginResult(result);
    }

    /**
     * Ruft den Mobilfunkanbieter ab
     */
    private void getCarrier(CallbackContext ctx) {
        Context context = this.cordova.getActivity().getApplicationContext();
        TelephonyManager manager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        String carrierName = manager.getNetworkOperatorName();

        PluginResult result = new PluginResult(PluginResult.Status.OK, carrierName);
        ctx.sendPluginResult(result);
    }

}