Util file

package app.fitme.trainer.utils.common;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.util.Log;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GoogleApiAvailability;

import java.util.HashMap;
import java.util.TimeZone;
import java.util.UUID;

/**
 * Created by Paly on 8/15/18.
 * TalentHound
 * amix.pal@gmail.com
 */
public class MetadataUtils {
    public static final String TAG = "MetadataUtils";

    public static String getManufacturer(Context context) {
        String mfg = "unknown";
        try {
            final Class<?> buildClass = Build.class;
            mfg = (String) buildClass.getField("MANUFACTURER").get(null); //$NON-NLS-1$
            mfg = mfg + " " + buildClass.getField("MODEL").get(null);
            mfg = mfg + " " + buildClass.getField("PRODUCT").get(null);
        } catch (Exception e) {
            //LogUtils.logException(TAG, e);
        }

        HashMap<String, String> params = new HashMap<>();
        try {
            params.put("ModelInfo", mfg);
        } catch (Exception e) {
            // LogUtils.logException(TAG, e);
        }

        try {
            params.put("RootStatus", String.valueOf(RootUtils.isDeviceRooted()));
        } catch (Exception e) {
            //LogUtils.logException(TAG, e);
        }
        return params.toString();
    }

    public static int getAppVersion(Context context) {
        try {
            PackageInfo packageInfo = context.getPackageManager()
                    .getPackageInfo(context.getPackageName(), 0);
            return packageInfo.versionCode;
        } catch (PackageManager.NameNotFoundException e) {
            throw new RuntimeException("Could not get package name: " + e);
        }
    }

    public static String getDeviceId(Context context) {
        String androidDeviceId = getAndroidDeviceId(context);
        if (androidDeviceId == null)
            androidDeviceId = UUID.randomUUID().toString();
        return androidDeviceId;

    }

    public static String getAndroidDeviceId(Context context) {
        final String INVALID_ANDROID_ID = "9774d56d682e549c";
        final String androidId = android.provider.Settings.Secure.getString(
                context.getContentResolver(),
                android.provider.Settings.Secure.ANDROID_ID);
        if (androidId == null
                || androidId.toLowerCase().equals(INVALID_ANDROID_ID)) {
            return null;
        }
        return androidId;
    }


    public static String timeZone() {
        TimeZone tz = TimeZone.getDefault();
        return tz.getID();
    }

    public static boolean checkPlayServices(Context context) {
        GoogleApiAvailability apiAvailability = GoogleApiAvailability.getInstance();
        int resultCode = apiAvailability.isGooglePlayServicesAvailable(context);
        if (resultCode != ConnectionResult.SUCCESS) {
            if (apiAvailability.isUserResolvableError(resultCode)) {
                Log.i(TAG, "Install Google Play Service");
            } else {
                Log.i(TAG, "This device is not supported.");
            }
            return false;
        }
        return true;
    }

    public static String getMobileOsVersion(){
        return String.valueOf(Build.VERSION.SDK_INT);
    }
}