Destroy activity containing two fragments after clicking Andorid Back Button

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I have problem, and I can't find any solution. I have Maps_Activity, which contains two fragments. Both fragments show google maps v2 and I display them on screen thanks to two ActionBar tabs.

The problem is appearing when I want to return to previous activity. When I click Android back button, my whole application turns down, shows pupup, that my application was stopped.

What I should add to my code to remove this error?

Maps_Activity.java

package com.example.user.elderly2;

import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;

import android.os.Bundle;


public class Maps_Activity extends Activity {

    ActionBar actionBar;
    Fragment fragmentTab1 = new Medical_Shops_Map();
    Fragment fragmentTab2 = new Medical_Clicnics_Map();

    @Override
    public void onCreate(Bundle arg0) {
        super.onCreate(arg0);
        setContentView(R.layout.activity_maps_);


        actionBar=getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        ActionBar.Tab tab1=actionBar.newTab();
        tab1.setText("Medical Shops");
        tab1.setTabListener(new TabListener(fragmentTab1));

        ActionBar.Tab tab2=actionBar.newTab();
        tab2.setText("Medical Clinics");
        tab2.setTabListener(new TabListener(fragmentTab2));



        actionBar.addTab(tab1);
        actionBar.addTab(tab2);


    }

}

One of the fragments:

package com.example.user.elderly2;

import android.os.Bundle;
import android.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;

import com.google.android.gms.maps.MapFragment;



public class Medical_Clicnics_Map extends Fragment {




    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        return (LinearLayout) inflater.inflate(R.layout.medical__clicnics__map, container, false);
    }




    @Override
    public void onDestroyView() {

        MapFragment f = (MapFragment) getFragmentManager().findFragmentById(R.id.map1);
        if (f != null)
            getFragmentManager().beginTransaction().remove(f).commit();

        super.onDestroyView();
    }



}

Any ideas? Plz help.

asked 2 mins ago

Mateusz Sadowski

1

Destroy activity containing two fragments after clicking Andorid Back Button