어댑터 때문에 응용 프로그램이 충돌 함

Question

지난 주부터 Listview에 친구 목록 데이터를 표시하는 데 문제가 있습니다. 알아낼 수 없습니다. 나는 이것을하는 많은 방법을 시도했다. 그러나 불행하게도 성공하지 않았다. 친구 목록이 logcat에 표시되지만 ListView에 표시하려고 할 때 응용 프로그램이 충돌합니다. 널 포인터 예외 오류 및 다른 런타임 오류는이 문제와

도움말 나를 발생
난 단지 루프 아래 에 대한 친구들에게 ListView에 정보를 표시 할 내 코드 제발

public class About extends Activity { 
public ArrayList<String> values; 

    ListView listViewPhoneBook; 
@Override 
protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.phone_book); 
     values = new ArrayList<String>(); 
     getfriends(); 
     // Log.d("All Data",values.toString()); 
     ListView listViewPhoneBook=(ListView)findViewById(R.id.listPhoneBook); 

      ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.each_contact, values); 
      listViewPhoneBook.setAdapter(adapter); 
      adapter.notifyDataSetChanged();} 

public void getfriends(){ 
Request.executeMyFriendsRequestAsync((Session)MainActivity.fbSession , new Request.GraphUserListCallback() { 


    @Override 
     public void onCompleted(List<GraphUser> users, Response response) { 
      for (int i = 0; i < users.size(); i++) { 
       values.add(users.get(i).getName()); 
      } 
      Log.d("All Data1",values.toString()); 
     } 
    }); 
} 
} 

로그 캣

03-20 14:18:28.156: E/ArrayAdapter(21885): You must supply a resource ID for a TextView 
03-20 14:18:28.169: E/AndroidRuntime(21885): FATAL EXCEPTION: main 
03-20 14:18:28.169: E/AndroidRuntime(21885): java.lang.IllegalStateException: ArrayAdapter requires the resource ID to be a TextView 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:386) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.ArrayAdapter.getView(ArrayAdapter.java:362) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.AbsListView.obtainView(AbsListView.java:2088) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.ListView.measureHeightOfChildren(ListView.java:1249) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.ListView.onMeasure(ListView.java:1160) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.View.measure(View.java:12773) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4788) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1374) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1022) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.LinearLayout.onMeasure(LinearLayout.java:555) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.View.measure(View.java:12773) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4788) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.View.measure(View.java:12773) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.LinearLayout.measureVertical(LinearLayout.java:815) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.LinearLayout.onMeasure(LinearLayout.java:553) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.View.measure(View.java:12773) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4788) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2108) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.View.measure(View.java:12773) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1147) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2642) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.os.Handler.dispatchMessage(Handler.java:99) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.os.Looper.loop(Looper.java:137) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.app.ActivityThread.main(ActivityThread.java:4666) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at java.lang.reflect.Method.invokeNative(Native Method) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at java.lang.reflect.Method.invoke(Method.java:511) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576) 
03-20 14:18:28.169: E/AndroidRuntime(21885): at dalvik.system.NativeStart.main(Native Method) 
03-20 14:18:28.169: E/AndroidRuntime(21885): Caused by: java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.TextView 
03-20 14:18:28.169: E/AndroidRuntime(21885): at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:379) 
03-20 14:18:28.169: E/AndroidRuntime(21885): ... 30 more 

Answer 1

는

values = new ArrayList<String>(); 
getfriends(); 

를 넣어

및

for (int i = 0; i < users.size(); i++) { 
    values.add(users.get(i).getName()); 
    Log.d("FRIENDSNAME", users.get(i).getName()); 
} 

편집 : 최종 코드

사용이 코드

public class About extends Activity { 

/*private String[] values;*/ 
public ArrayList<String> values; 
    //private ActivityList listAdapter; 

    ListView listViewPhoneBook; 
@Override 
protected void onCreate(Bundle savedInstanceState) { 
    // TODO Auto-generated method stub 

     super.onCreate(savedInstanceState); 
     setContentView(R.layout.phone_book); 
     values = new ArrayList<String>(); 
     listViewPhoneBook=(ListView)findViewById(R.id.listPhoneBook); 
     getfriends(); 
     // Log.d("All Data",values.toString()); 

} 


public void updateList() 
{ 
      ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.each_contact, values); 
      listViewPhoneBook.setAdapter(adapter); 
      adapter.notifyDataSetChanged(); 
} 


public void getfriends() 
{ 
Request.executeMyFriendsRequestAsync((Session)MainActivity.fbSession , new Request.GraphUserListCallback() { 


    @Override 
     public void onCompleted(List<GraphUser> users, Response response) { 
     /*values = new String[users.size()];*/ 

      for (int i = 0; i < users.size(); i++) { 
       // values[i] = users.get(i).getName(); 
       values.add(users.get(i).getName()); 
       /* Log.d("FRIENDSNAME", users.get(i).getName());*/ 

      } 
      Log.d("All Data1",values.toString()); 
      updateList(); 
     } 
    }); 
}