런타임시 널 포인터 예외 오류가 발생합니다. 아래 코드에서 오류 행을 언급했습니다. 관련 코드를 게시했습니다. 해결할 수 없습니다. 누구든지 도와 줄 수 있습니다. 이걸 해결하는 방법을 알 잖아. 고마워.FragmentPage에서 널 포인터 예외
스택 트레이스 :이
11-03 05:14:58.729: E/AndroidRuntime(18247): java.lang.NullPointerException
11-03 05:14:58.729: E/AndroidRuntime(18247): at com.qrme.FragmentPage.highlightCell(FragmentPage.java:473)
11-03 05:14:58.729: E/AndroidRuntime(18247): at com.qrme.FragmentPage.moveToNext(FragmentPage.java:455)
11-03 05:14:58.729: E/AndroidRuntime(18247): at com.qrme.FragmentPage$10.onItemClick(FragmentPage.java:351)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.widget.AdapterView.performItemClick(AdapterView.java:299)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.widget.AbsListView.performItemClick(AbsListView.java:1113)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2904)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.widget.AbsListView$3.run(AbsListView.java:3638)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.os.Handler.handleCallback(Handler.java:733)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.os.Handler.dispatchMessage(Handler.java:95)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.os.Looper.loop(Looper.java:136)
11-03 05:14:58.729: E/AndroidRuntime(18247): at android.app.ActivityThread.main(ActivityThread.java:5017)
11-03 05:14:58.729: E/AndroidRuntime(18247): at java.lang.reflect.Method.invokeNative(Native Method)
11-03 05:14:58.729: E/AndroidRuntime(18247): at java.lang.reflect.Method.invoke(Method.java:515)
11-03 05:14:58.729: E/AndroidRuntime(18247): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
11-03 05:14:58.729: E/AndroidRuntime(18247): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
11-03 05:14:58.729: E/AndroidRuntime(18247): at dalvik.system.NativeStart.main(Native Method)
FragmentPage.java :이
public class FragmentPage extends Fragment {
GridView gridTable;
static LinearLayout ll;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragmentxml, container, false);
initialize(rootView);
clickEvents();
return rootView;
}
@Override
public void onResume() {
// TODO Auto-generated method stub
super.onResume();
tablelist = DatabaseQueryHelper.getInstance().getContentTable(pageId);
System.out.println(tablelist);
System.out.println(pageId);
if (tablelist != null && !tablelist.isEmpty()) {
CustomeTableAdapter tableAdapter = new CustomeTableAdapter(
getActivity(), R.layout.frame_table, tablelist);
gridTable.setAdapter(tableAdapter);
} else {
ll.setVisibility(View.GONE);
if(tableVisible && !getactivitytable)
{
if (tablelist == null
|| tablelist.isEmpty()
&& sharedpreference.get_sharedvalue(
QRMConstants.VERSION).equals("1.0")) {
showDialog();
}
}
}
}
public void initialize(View v) {
gridTable = (GridView) rootView.findViewById(R.id.gridViewTable);
ll.setVisibility(View.GONE);
gridTable.setDrawSelectorOnTop(true);
}
public void moveToNext(int nextposition) {
highlightCell(nextposition); --->455 th line error
ispaused = false;
play(nextposition);
}
gridTable.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
final int position, long id) {
if (tablelist != null && !tablelist.isEmpty()) {
ll.setVisibility(View.VISIBLE);
player.reset();
currentSelection = position;
moveToNext(currentSelection); --->351 th line error
} else {
ll.setVisibility(View.GONE);
}
}
});
public void highlightCell(int position) {
for (int i = 1; i < tablelist.size(); i++) {
gridTable.getChildAt(i - 1)
.setBackgroundResource(R.drawable.border); ---->473 rd line Error
}
gridTable.getChildAt(position).setBackgroundColor(
getResources().getColor(R.color.dusty_grey));
}
fragmentxml.xml :
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/relativeLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:id="@+id/linearlayoutControll"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:background="@color/light_grey"
android:gravity="center"
android:orientation="horizontal" >
<ImageButton
android:id="@+id/imagebuttonLast"
android:layout_width="50dp"
android:layout_height="50dp"
android:background="@drawable/ic_action_previous"
android:scaleType="fitXY" />
</LinearLayout>
<GridView
android:id="@+id/gridViewTable"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_above="@+id/linearlayoutControll"
android:layout_alignParentTop="true"
android:layout_margin="15dp"
android:listSelector="#00000000"
android:numColumns="2"
android:rotationY="180" >
</GridView>
</RelativeLayout>
무엇입니까? ll.setVisibility (View.GONE); –
public void initialize (v보기) { gridTable = (GridView) rootView.findViewById (R.id.gridViewTable); ll.setVisibility (View.GONE); gridTable.setDrawSelectorOnTop (true); }이 줄에 무엇을 넣을까요? –
이제'static LinearLayout ll; '을 편집하고 추가했습니다. @ NaveenTamrakar –