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POAndroid ActionBarSherlock tabbed action bar with a mapview
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  1. POAndroid ActionBarSherlock tabbed action bar with a mapview
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    copied!<p>I have 4 views, two of which contain mapviews. What I really want in the end is a tabbed navigation between these 4 views.</p> <p>After some research, it seams like the best idea would be to use ActionBarSherlock and make each one of these views a "Fragment" inside a master "Main" Activity. This seams like a very easy to do thing but is causing me massive amounts of trouble (indeed, seams to be a pain for everyone from what I can find online).</p> <p>First, my code. <strong>ActivityMain.java</strong></p> <pre><code>public class ActivityMain extends SherlockFragmentActivity { static String CLASS_NAME = "ActivityMain"; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { Log.v(CLASS_NAME, "here"); super.onCreate(savedInstanceState); setContentView(R.layout.main); this.createMenu(); } public void createMenu() { this.getSupportActionBar().setDisplayShowHomeEnabled(false); this.getSupportActionBar().setDisplayShowTitleEnabled(false); this.getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); Tab tab1 = getSupportActionBar() .newTab() .setText("First tab") .setTabListener(new MyTabListener&lt;FragmentOne&gt;(this, FragmentOne.class)); getSupportActionBar().addTab(tab1); Tab tab2 = getSupportActionBar() .newTab() .setText("Second tab") .setTabListener(new MyTabListener&lt;FragmentTwo&gt;(this, FragmentTwo.class)); getSupportActionBar().addTab(tab2); } public class MyTabListener&lt;T extends Fragment&gt; implements TabListener { private ActivityMain mActivity; private Fragment mFragment; private Class&lt;T&gt; mClass; public MyTabListener(ActivityMain activity, Class&lt;T&gt; fragmentClass) { mActivity = activity; mClass = fragmentClass; } @Override public void onTabSelected(Tab tab, FragmentTransaction ft) { if (mFragment == null) { mFragment = Fragment.instantiate(mActivity, mClass.getName()); ft.add(android.R.id.content, mFragment, null); } else { //ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.animationtest); ft.attach(mFragment); } } @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) { if (mFragment != null) { ft.detach(mFragment); } } @Override public void onTabReselected(Tab tab, FragmentTransaction ft) { } } } </code></pre> <p>FragmentOne loads just fine, no problems on that one. FragmentTwo is where the trouble begins. Here is the files: <strong>FragmentTwo.java</strong></p> <pre><code>package com.test; import com.actionbarsherlock.app.SherlockFragment; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public class FragmentTwo extends SherlockFragment { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.v("Test", "Two!"); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.two, container, false); return view; } } </code></pre> <p>and the corresponding layout looks like this:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" &gt; &lt;com.google.android.maps.MapView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mapMapView" android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="0.40" android:clickable="true" android:apiKey="MY_KEY" /&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" style="@android:style/ButtonBar" android:layout_width="match_parent" android:layout_height="wrap_content" &gt; &lt;Button android:id="@+id/refreshButton" android:layout_width="match_parent" android:layout_height="fill_parent" android:onClick="refreshSightings" android:text="@string/A_MAP_REFRESH_BUTTON" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; </code></pre> <p>Now of course this is giving me the error <em>Binary XML file line #7: Error inflating class com.google.android.maps.MapView</em></p> <p>I have tried importing the <a href="https://github.com/petedoyle/android-support-v4-googlemaps" rel="nofollow">https://github.com/petedoyle/android-support-v4-googlemaps</a> package and replacing the already existing android-support-v4 package but when I try to run my app, it dies with the error that it can't find the ActivityMain class.</p> <p>First question, am I even going about this in the right way? Should I be using this 1 main activity and loading all the other things in Fragments?</p> <p>Next, if I am doing this in a correct way, is there a <em>good</em> tutorial for how to get this to work in a decent way? I can't find anything online except for other people asking the same questions and a few tutorials that haven't worked for me.</p> <p>Basically, how can I have tabbed navigation with 2 maps in 2 different tabs?</p>
 

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