android

package com.example.user.weatherreport;

        import android.graphics.Color;
        import android.net.Uri;
        import android.support.design.widget.TabLayout;
        import android.support.v4.app.Fragment;
        import android.support.v4.app.FragmentManager;
        import android.support.v4.app.FragmentPagerAdapter;
        import android.support.v4.view.ViewPager;
        import android.support.v7.app.AppCompatActivity;
        import android.os.Bundle;
        import android.util.Log;
        import android.widget.TableLayout;

        import android.widget.TextView;
        import android.widget.Toast;

        import com.example.user.weatherreport.web.WeatherResponse;

        import retrofit2.Call;
        import retrofit2.Callback;
        import retrofit2.Response;
        import retrofit2.Retrofit;
        import retrofit2.converter.gson.GsonConverterFactory;

        import static com.example.user.weatherreport.CurrentFragment.*;

 public class MainActivity extends AppCompatActivity {

     private TabLayout tabLayout;
     private ViewPager viewPager;
     private TextView text;
     private static final String BASE_URL = "http://api.openweathermap.org/data/2.5/";


     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         tabLayout = (TabLayout) findViewById(R.id.tabLayout);
         viewPager = (ViewPager) findViewById(R.id.viewPager);
         text = (TextView) findViewById(R.id.text);
         tabLayout.addTab(tabLayout.newTab().setText("CURRENT"));

         tabLayout.addTab(tabLayout.newTab().setText("7 DAYS FORECAST"));
         tabLayout.setSelectedTabIndicatorColor(Color.parseColor("#ffffff"));
         tabLayout.setTabTextColors(Color.parseColor("#727272"), Color.parseColor("#ffffff"));

         CustomAdapter adapter=new CustomAdapter(getSupportFragmentManager(),tabLayout.getTabCount());
         viewPager.setAdapter(adapter);

         Retrofit retrofit = new Retrofit.Builder()
                 .baseUrl(BASE_URL)
                 .addConverterFactory(GsonConverterFactory.create())
                 .build();

         WebService service = retrofit.create(WebService.class);

         service.getResponse().enqueue(new Callback<WeatherResponse>() {

             public void onResponse(Call<WeatherResponse> call, Response<WeatherResponse> response) {


                 if (response.code() == 200) {

                     WeatherResponse wr = response.body();
                     Log.d("MainActivity","response:" + response.body().toString());
                     double temp=wr.getMain().getTemp();
                     text.setText("temp: " + temp);

                 } else {

                     Toast.makeText(MainActivity.this, "errorcode-"
                             + response.code(), Toast.LENGTH_LONG).show();

                 }
             }

             @Override
             public void onFailure(Call<WeatherResponse> call, Throwable t) {

                 Toast.makeText(MainActivity.this, t.getLocalizedMessage(), Toast.LENGTH_LONG).show();


             }
         });

         class CustomAdapter extends FragmentPagerAdapter {
             private int frameCount=0;

             public CustomAdapter(FragmentManager fm,int frameCount) {
                 super(fm);
                 this.frameCount=frameCount;
             }

             @Override
             public Fragment getItem(int position) {
                 switch(position){
                     case 0:
                         return new CurrentFragment();
                     case 1:
                         return new WeatherFragment();
                 }
                 return null;
             }

             @Override
             public int getCount() {
                 return frameCount;
             }
         }


     }
 }