migrate google analytics library for android v2 to v4

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In our project we have v2 of Google analytic lib, and we call the functions from all activates.
To migrate it with V4  I've created a class I called  it EasyTracker, it's have the same functions of v2 with the same parameters, each function working as v4 need.

The I replaced the import of EasyTracker from google to be my EasyTracker

EasyTracker.java

import android.app.Activity;
import android.content.Context;

import com.google.android.gms.analytics.GoogleAnalytics;
import com.google.android.gms.analytics.HitBuilders;
import com.google.android.gms.analytics.Logger;
import com.google.android.gms.analytics.Tracker;

/**
 * Created by android on 1/20/2015.
 */
public class EasyTracker {
    private static EasyTracker tracker;
    private  Activity   context ;
    private static final String PROPERTY_ID = "UA-XXXXXXXX-XX";



    public static EasyTracker getTracker() {
        return getInstance();
    }

    public static EasyTracker getInstance() {
        if(tracker == null)
            tracker = new EasyTracker();
        return tracker;
    }
    public void setContext(Context context) {
        this.context =  (Activity)context  ;
    }

    public void setContext(Activity context) {
        this.context = context;
    }
 
    synchronized Tracker getGoogleTracker( ) {
             GoogleAnalytics analytics = GoogleAnalytics.getInstance(context);
            analytics.getLogger().setLogLevel(Logger.LogLevel.VERBOSE);
            Tracker t =  analytics.newTracker(PROPERTY_ID) ;
            t.enableAdvertisingIdCollection(true);
         return t;
    }

    public void sendEvent(String action, String event, String screenName, long l){
        // Get tracker.
        Tracker t = getGoogleTracker( );

// Set screen name.
        t.setScreenName(screenName);

// Send a screen view.
//        t.send(new HitBuilders.AppViewBuilder().build());
        t.send(new HitBuilders.EventBuilder()
                 .setAction(action)
                 .setLabel("event")
                .setValue(l)
                .build());


    }

    public void sendView(String screenName) {
        Tracker t = getGoogleTracker( );
         t.setScreenName(screenName);
        t.send( new HitBuilders.EventBuilder().build());

    }

    public void activityStart(Activity activity) {
        GoogleAnalytics analytics = GoogleAnalytics.getInstance(context);
        analytics.reportActivityStart(activity);

    }
}

excellent!

@paskino thank you

Hi @ameen-sarsour can you help how with the build properties ,I am getting
at com.google.android.gms.common.internal.zzx.zzl(Unknown Source)
at com.google.android.gms.analytics.GoogleAnalytics.getInstance(Unknown Source)

Thank you

@HarmeetSingh24 I have the same error. Do you found a solution?

Edit: I am trying with ...
if (context == null) context = activity;