title: Android App Compact theme Error
body: <p>Hello I' making this project in Android when i start the dialog Activity from Main Activity.</p>
  
  <p>These are the related files:
  Main Activity:<a href="http://pastebin.com/xyDbBSj4" rel="nofollow">http://pastebin.com/xyDbBSj4</a>
  Dialogs Activity:<a href="http://pastebin.com/f6jGC1CH" rel="nofollow">http://pastebin.com/f6jGC1CH</a></p>
  
  <p>I have this error on logcat:</p>
  
  <pre><code>FATAL EXCEPTION: main
  Process: com.android4dev.navigationview, PID: 30736
  java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android4dev.navigationview/com.android4dev.navigationview.ui.activities.DialogsActivity}:
  java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
  at android.app.ActivityThread.access$800(ActivityThread.java:151)
  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
  at android.os.Handler.dispatchMessage(Handler.java:102)
  at android.os.Looper.loop(Looper.java:135)
  at android.app.ActivityThread.main(ActivityThread.java:5254)
  at java.lang.reflect.Method.invoke(Native Method)
  at java.lang.reflect.Method.invoke(Method.java:372)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
  Caused by: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
  at android.support.v7.app.AppCompatDelegateImplBase.onCreate(AppCompatDelegateImplBase.java:122)
  at android.support.v7.app.AppCompatDelegateImplV7.onCreate(AppCompatDelegateImplV7.java:146)
  at android.support.v7.app.AppCompatActivity.onCreate(AppCompatActivity.java:59)
  at com.android4dev.navigationview.ui.activities.BaseActivity.onCreate(BaseActivity.java:36)
  at com.android4dev.navigationview.ui.activities.DialogsActivity.onCreate(DialogsActivity.java:43)
  </code></pre>