Wsrtjtyk

I'm facing a problem with an activity of my navigation drawer.When i open this activity
for the first time
it has a delay 1-2 seconds and when i open it again it's getting better(not perfect but better).Is it because it's importing an other API maybe?I've added an asynctask but still nothing.

Here is the code of this activity

public class ImportAPI extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener{

public TextView fullnameside, emailside;



public static String stravaToken;



public static ImageButton btnStrava;

public ImageView tickStrava;



protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.importapi);





    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

    setSupportActionBar(toolbar);

    getSupportActionBar().setDisplayShowTitleEnabled(false);

    toolbar.setTitle("");

    toolbar.setSubtitle("");



    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(

            this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);

    drawer.addDrawerListener(toggle);

    toggle.syncState();



    NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);

    View headerView = navigationView.getHeaderView(0);

    fullnameside = (TextView) headerView.findViewById(R.id.fullnameside);

    emailside = (TextView) headerView.findViewById(R.id.emailside);

    fullnameside.setText(""+GetInfo.fullname);

    emailside.setText(""+GetInfo.email);



    navigationView.setNavigationItemSelectedListener(this);

    navigationView.getMenu().getItem(3).setChecked(true);



    //STRAVA

    tickStrava=(ImageView) findViewById(R.id.tickStrava);

    btnStrava=(ImageButton) findViewById(R.id.stravaBtn);

    new connectStrava().execute("start");



}



@SuppressLint("StaticFieldLeak")

class connectStrava extends AsyncTask<String, String, String> {



    @Override

    protected void onPreExecute() {

        super.onPreExecute();

        btnStrava.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                Intent getStravaApi= new Intent(ImportAPI.this,StravaSetupApi.class);

                startActivity(getStravaApi);

            }

        });



        //GET ACCESS TOKEN FROM STRAVAS AUTHORIZE ACCOUNT

        String accessToken = StravaAuthenticateActivity.getStravaAccessToken(ImportAPI.this);

        stravaToken=accessToken; //make static var so i can use it anywhere i want



        //Get athletes activities from GetStravaAthleteActivities.java

        new GetStravaAthleteActivities.AthleteActivities();



        //check if token is null so i can display the tick and also disable the button press

        if(stravaToken!=null)

        {

            btnStrava.setEnabled(false);

            tickStrava.setVisibility(View.VISIBLE);

        }

        else {

            tickStrava.setVisibility(View.INVISIBLE);

        }

    }



    @Override

    protected String doInBackground(String... aurl) {

        Log.d("Alekos","TAK4");

        return null;



    }

    protected void onProgressUpdate(String... progress) {



        Log.d("ANDRO_ASYNC",progress[0]);



    }



    @Override

    protected void onPostExecute(String unused) {

    }



}

I think you are doing some blocking task in onPreexecute() of your AsyncTask.
pls modify your AsyncTask as below.

class connectStrava extends AsyncTask<String, String, String> {



@Override

protected void onPreExecute() {

    super.onPreExecute();

    btnStrava.setOnClickListener(new View.OnClickListener() {

        @Override

        public void onClick(View view) {

            Intent getStravaApi= new Intent(ImportAPI.this,StravaSetupApi.class);

            startActivity(getStravaApi);

        }

    });









}



@Override

protected String doInBackground(String... aurl) {

    //GET ACCESS TOKEN FROM STRAVAS AUTHORIZE ACCOUNT

    String accessToken = StravaAuthenticateActivity.getStravaAccessToken(ImportAPI.this);

    stravaToken=accessToken; //make static var so i can use it anywhere i want



    //Get athletes activities from GetStravaAthleteActivities.java

    new GetStravaAthleteActivities.AthleteActivities();

    return stravaToken;



}

protected void onProgressUpdate(String... progress) {



    Log.d("ANDRO_ASYNC",progress[0]);



}



@Override

protected void onPostExecute(String result) {

    //check if token is null so i can display the tick and also disable the button press

    if(stravaToken!=null)

    {

        btnStrava.setEnabled(false);

        tickStrava.setVisibility(View.VISIBLE);

    }

    else {

        tickStrava.setVisibility(View.INVISIBLE);

    }

}

}

FYI

btnStrava.setOnClickListener(new View.OnClickListener() {

             @Override

             public void onClick(View view) {

                 Intent getStravaApi= new Intent(ImportAPI.this,StravaSetupApi.class);

                 startActivity(getStravaApi);

             }

         });

This code is not required to be kept inside onPreExecute() keep it inside of onCreate()

You are calling API in the start which is actually not delay but the
time it is taking for the API calling.

Use ProgressBar untill your AsyncTask gets completed.