DataCollector.java

package io.evercam.androidapp.utils;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Build;
import android.telephony.TelephonyManager;

import io.evercam.androidapp.R;

public class DataCollector
{
    private Context mContext;

    public DataCollector(Context context)
    {
        this.mContext = context;
    }

    /**
     * Return app version name, could be an empty string
     */
    public String getAppVersion()
    {
        String version = "";
        if(mContext != null)
        {
            PackageInfo packageInfo;
            try
            {
                packageInfo = mContext.getPackageManager().getPackageInfo(mContext.getPackageName(), 0);

                version = packageInfo.versionName;
            }
            catch(NameNotFoundException e)
            {
                e.printStackTrace();
            }
        }
        return version;
    }

    /**
     * Return device name in format manufacturer + model
     */
    public static String getDeviceName()
    {
        String manufacturer = Build.MANUFACTURER;
        String model = Build.MODEL;
        if(model.startsWith(manufacturer))
        {
            return capitalize(model);
        }
        else
        {
            return capitalize(manufacturer) + " " + model;
        }
    }

    public static String getAndroidVersion()
    {
        return Build.VERSION.RELEASE;
    }

    /**
     * Check if there is any connectivity to a Wifi network
     */
    public boolean isConnectedWifi()
    {
        NetworkInfo info = getNetworkInfo();
        return (info != null && info.isConnected() && info.getType() == ConnectivityManager
                .TYPE_WIFI);
    }

    /**
     * Check if there is any connectivity to a mobile network
     */
    public boolean isConnectedMobile()
    {
        NetworkInfo info = getNetworkInfo();
        return (info != null && info.isConnected() && info.getType() == ConnectivityManager
                .TYPE_MOBILE);
    }

    /**
     * Return '3G' or 'WiFi'
     */
    public String getNetworkString()
    {
        if(isConnectedWifi())
        {
            return mContext.getString(R.string.wifi);
        }
        else if(isConnectedMobile())
        {
            return mContext.getString(R.string.three_g);
        }
        return mContext.getString(R.string.unknown);
    }

    /**
     * Get the network info
     */
    private NetworkInfo getNetworkInfo()
    {
        ConnectivityManager connectivityManager = (ConnectivityManager) mContext.getSystemService
                (Context.CONNECTIVITY_SERVICE);
        return connectivityManager.getActiveNetworkInfo();
    }

    private static String capitalize(String s)
    {
        if(s == null || s.length() == 0)
        {
            return "";
        }
        char first = s.charAt(0);
        if(Character.isUpperCase(first))
        {
            return s;
        }
        else
        {
            return Character.toUpperCase(first) + s.substring(1);
        }
    }

    public static String getCountryCode(Context context)
    {
        TelephonyManager telephonyManager = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
        return telephonyManager.getNetworkCountryIso();
    }
}