Cannot be cast to android.app.Fragment
android
Solution
If I had to guess, `SkippersFragment` is extending `android.support.v4.app.Fragment`. However, `SkippersActivity` is not extending `android.support.v4.app.FragmentActivity`. So `SkippersActivity` is trying to use native API Level 11 fragments.
Problem
I'm just trying to have a look on Fragment and I got some probs with stupid stuff... There is my SkippersActivity.java : ``` public class SkippersActivity extends Activity{ public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.skippers_fragment); } } ``` And my skippers_fragment.xml : ``` <?xml version="1.0" encoding="utf-8"?> <fragment xmlns:android="http://schemas.android.com/apk/res/android" android:name="com.arkezis.globedroid.SkippersFragment" android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/skippers_fragment"> </fragment> ``` And there is my SkippersFragment.xml : ``` public class SkippersFragment extends Fragment{ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View mainView = inflater.inflate(R.layout.skippers, container, false); return mainView; } ``` } My skippers.xml : ``` <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <ListView android:id="@+id/list_skippers_all" android:layout_width="match_parent" android:layout_height="match_parent"> </ListView> </LinearLayout> ``` Why do I got : ``` 04-30 13:45:16.355: E/AndroidRuntime(30077): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.arkezis.globedroid/com.arkezis.globedroid.SkippersActivity}: android.view.InflateException: Binary XML file line #2: Error inflating class fragment 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.ActivityThread.access$600(ActivityThread.java:123) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.os.Handler.dispatchMessage(Handler.java:99) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.os.Looper.loop(Looper.java:137) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.ActivityThread.main(ActivityThread.java:4424) 04-30 13:45:16.355: E/AndroidRuntime(30077): at java.lang.reflect.Method.invokeNative(Native Method) 04-30 13:45:16.355: E/AndroidRuntime(30077): at java.lang.reflect.Method.invoke(Method.java:511) 04-30 13:45:16.355: E/AndroidRuntime(30077): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 04-30 13:45:16.355: E/AndroidRuntime(30077): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 04-30 13:45:16.355: E/AndroidRuntime(30077): at dalvik.system.NativeStart.main(Native Method) 04-30 13:45:16.355: E/AndroidRuntime(30077): Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class fragment 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.view.LayoutInflater.inflate(LayoutInflater.java:466) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.view.LayoutInflater.inflate(LayoutInflater.java:396) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.view.LayoutInflater.inflate(LayoutInflater.java:352) 04-30 13:45:16.355: E/AndroidRuntime(30077): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.Activity.setContentView(Activity.java:1835) 04-30 13:45:16.355: E/AndroidRuntime(30077): at com.arkezis.globedroid.SkippersActivity.onCreate(SkippersActivity.java:19) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.Activity.performCreate(Activity.java:4465) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920) 04-30 13:45:16.355: E/AndroidRuntime(30077): ... 11 more 04-30 13:45:16.355: E/AndroidRuntime(30077): Caused by: java.lang.ClassCastException: com.arkezis.globedroid.SkippersFragment cannot be cast to android.app.Fragment 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.Fragment.instantiate(Fragment.java:574) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.Fragment.instantiate(Fragment.java:549) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.app.Activity.onCreateView(Activity.java:4235) 04-30 13:45:16.355: E/AndroidRuntime(30077): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673) ```