android.app.Fragment $ InstantiationException: Попытка создать экземпляр класса, который не является фрагментом

Question

Мой код вида деятельности:

public class TrackActivity extends FragmentActivity implements 
    OnMarkerClickListener, OnMarkerDragListener { 
@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.track_layout); 
} 

track_layout код

<?xml version="1.0" encoding="utf-8"?> 

<RelativeLayout 
    android:id="@+id/rl_track_main" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" > 

    <fragment 
     android:id="@+id/map" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     class="com.jd.activity.TrackActivity" /> 

    <LinearLayout 
     android:id="@+id/ll_btm_btns" 
     android:layout_width="match_parent" 
     android:layout_height="@dimen/height_track_bottom_btns" 
     android:layout_alignParentBottom="true" 
     android:weightSum="2" > 

     <Button 
      android:id="@+id/btn1_track" 
      android:layout_width="0dp" 
      android:layout_height="match_parent" 
      android:layout_weight="1" 
      android:background="@drawable/round_corner_track_bottom_btn" 
      android:text="@string/track" 
      android:textColor="@color/white" 
      android:textStyle="bold" /> 

     <Button 
      android:id="@+id/btn2_trace" 
      android:layout_width="0dp" 
      android:layout_height="match_parent" 
      android:layout_weight="1" 
      android:background="@drawable/round_corner_track_bottom_btn" 
      android:text="@string/trace" 
      android:textColor="@color/white" 
      android:textStyle="bold" /> 
    </LinearLayout> 
</RelativeLayout> 

<LinearLayout 
    android:id="@+id/drawer_rl_track" 
    android:layout_width="wrap_content" 
    android:layout_height="match_parent" 
    android:layout_gravity="left" 
    android:orientation="vertical" > 

    <TextView 
     android:layout_width="wrap_content" 
     android:layout_height="50dp" 
     android:background="@drawable/drawer_title_shape" 
     android:gravity="center" 
     android:textSize="20sp" /> 

    <ListView 
     android:id="@+id/list_view_drawer_track" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     android:background="#fff" 
     android:choiceMode="singleChoice" 
     android:divider="@android:color/darker_gray" 
     android:dividerHeight="0.1dp" 
     android:textColor="@android:color/white" /> 

    <Button 
     android:id="@+id/btn_fleet_trk" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_gravity="center_horizontal" 
     android:layout_marginTop="20dp" 
     android:background="@drawable/round_rectangle" 
     android:gravity="center" 
     android:text="@string/fleet_track" 
     android:textColor="@color/white" 
     android:textSize="15sp" /> 
</LinearLayout> 

Я становлюсь ниже err или

02-24 17:50:47.437: E/AndroidRuntime(7637): FATAL EXCEPTION: main 
02-24 17:50:47.437: E/AndroidRuntime(7637): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.jd.activity/com.jd.activity.TrackActivity}: android.view.InflateException: Binary XML file line #13: Error inflating class fragment 
02-24 17:50:47.437: E/AndroidRuntime(7637): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2262) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2316) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.ActivityThread.access$700(ActivityThread.java:158) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1296) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.os.Handler.dispatchMessage(Handler.java:99) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.os.Looper.loop(Looper.java:176) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.ActivityThread.main(ActivityThread.java:5365) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at java.lang.reflect.Method.invokeNative(Native Method) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at java.lang.reflect.Method.invoke(Method.java:511) 
02-24 17:50:47.437: E/AndroidRuntime(7637): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102) 
02-24 17:50:47.437: E/AndroidRuntime(7637): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869) 
02-24 17:50:47.437: E/AndroidRuntime(7637): at dalvik.system.NativeStart.main(Native Method) 
02-24 17:50:47.437: E/AndroidRuntime(7637): Caused by: android.view.InflateException: Binary XML file line #13: Error inflating class fragment 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:710) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:752) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:760) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.view.LayoutInflater.inflate(LayoutInflater.java:495) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:360) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.Activity.setContentView(Activity.java:1932) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at com.jd.activity.TrackActivity.onCreate(TrackActivity.java:57) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.Activity.performCreate(Activity.java:5326) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1097) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2225) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  ... 11 more 
02-24 17:50:47.437: E/AndroidRuntime(7637): Caused by: android.app.Fragment$InstantiationException: Trying to instantiate a class com.jd.activity.TrackActivity that is not a Fragment 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.Fragment.instantiate(Fragment.java:584) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.Fragment.instantiate(Fragment.java:560) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.app.Activity.onCreateView(Activity.java:4908) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:686) 
02-24 17:50:47.437: E/AndroidRuntime(7637):  ... 22 more 
02-24 17:50:47.437: E/AndroidRuntime(7637): Caused by: java.lang.ClassCastException 
02-24 17:50:47.437: E/AndroidRuntime(7637): ... 26 more 

Answer 1

TrackActivity распространяется FragmentActivity, ergo не является Fragment.

избавиться от

<fragment 
     android:id="@+id/map" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     class="com.jd.activity.TrackActivity" /> 

из макета

Answer 2

Ошибка довольно сам пояснительный. Надувание пытается раздуть вашу TrackActivity - это FragmentActivity, а не фрагмент. Вам нужно расширить фрагмент.

Answer 3

Здесь

<fragment 
     android:id="@+id/map" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     class="com.jd.activity.TrackActivity" />// exception occurs here 

Исключение происходя, потому что у использовали FragmentAcitivity и не Fragment.

Answer 4

Я Решенный вопрос случайно :)

Замена class="com.jd.activity.TrackActivity" с class="com.google.android.gms.maps.MapFragment" решается вопрос ... не знаю почему :(