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POSwitching from Map fragment to another Fragment and back
 

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    <p>I have a fragment activity that switches fragments on button click.<br> The two fragments that I switch are:</p> <ol> <li>Google map android v2 fragment</li> <li>Another fragment with a text view</li> </ol> <p>This is how I switch the fragments:</p> <pre><code>public void onClick(View v) { FragmentManager fm = getSupportFragmentManager(); if(tv.getText().toString().equalsIgnoreCase("Click ME!!")){ tv.setText("MAP"); if (fm != null) { if(map == null){ map = new Map(); } FragmentTransaction ft = fm.beginTransaction(); ft.replace(R.id.lay_contaier, map); ft.commit(); } } else{ tv.setText("Click ME!!"); if (fm != null ){ FragmentTransaction ft = fm.beginTransaction(); ft.replace(R.id.lay_contaier,new empty()); ft.commit(); } } } </code></pre> <p>This s my Maps Fagment code</p> <pre><code> public class Map extends Fragment implements OnMarkerClickListener, OnInfoWindowClickListener, OnMarkerDragListener { private static final LatLng PERTH = new LatLng(-31.952854, 115.857342); private static final LatLng SYDNEY = new LatLng(-33.87365, 151.20689); private GoogleMap mMap; private Marker mPerth; private Marker mSydney; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.activity_main,null); return view; } </code></pre> <p>activity_mail.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;fragment xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/map" android:layout_width="fill_parent" android:layout_height="fill_parent" class="com.google.android.gms.maps.SupportMapFragment"/&gt; </code></pre> <p>But every time I swich back to the Map fragment the Application crashes. How should I make this code right?</p>
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