I am getting a null pointer exception error at runtime.I am mentioned the error line in below coding.I am posted the codes relevant to that.I am unable to solve this.Anybody can help me if you know how to solve these.Thank You.
StackTrace:
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:
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>
