Thanks for the idea. I have confirmed that the file is named
transaction_edit.xml.
On Mar 26, 3:54 am, "Dan U." <[EMAIL PROTECTED]> wrote:
> Well, he needs to have the filename be transaction_edit.xml. Not sure
> if it is.
>
> On Mar 25, 5:29 am, Rick Genter <[EMAIL PROTECTED]> wrote:
>
> > Don't you need to name your layout "transaction_edit" in the XML file?
>
> > On Mar 25, 2008, at 5:26 AM,kaipingwrote:
>
> > > Hi, For one of my Activities All the findViewById() function returns
> > > is null. I am really astonished by this behaviour because this same
> > > function works fine in other parts of my application. I have posted
> > > the code below. If anybody has any ideas that would be great thanks,
>
> > > Josh
>
> > > package com.jingsys.money;
>
> > > import java.util.ArrayList;
>
> > > import android.app.Activity;
> > > import android.database.Cursor;
> > > import android.os.Bundle;
> > > import android.widget.ArrayAdapter;
> > > import android.widget.DatePicker;
> > > import android.widget.EditText;
> > > import android.widget.Spinner;
>
> > > import com.jingsys.money.data.AccountsDbAdapter;
> > > import com.jingsys.money.data.MoneyDbAdapterFactory;
> > > import com.jingsys.money.data.TransactionDbAdapter;
>
> > > public class EditTransaction extends Activity {
>
> > > private DatePicker mDate;
> > > private EditText mDescription;
> > > private EditText mNumber;
> > > private EditText mAmount;
> > > private Spinner mFromAccount;
> > > private Spinner mToAccount;
> > > private EditText mComments;
>
> > > private TransactionDbAdapter transData;
> > > private AccountsDbAdapter accountData;
>
> > > private Cursor mFrom;
> > > private Cursor mTo;
>
> > > @Override
> > > protected void onCreate(Bundle icicle) {
> > > super.onCreate(icicle);
> > > setContentView(R.layout.transaction_edit);
>
> > > mDate = (DatePicker) findViewById(R.id.trans_date);
> > > mDescription = (EditText) findViewById(R.id.account_name);
> > > mNumber = (EditText) findViewById(R.id.trans_number);
> > > mAmount = (EditText) findViewById(R.id.trans_amount);
> > > mComments = (EditText) findViewById(R.id.trans_comments);
>
> > > mFromAccount = (Spinner) findViewById(R.id.trans_from);
> > > mToAccount = (Spinner) findViewById(R.id.trans_to);
>
> > > XML file
> > > <?xml version="1.0" encoding="UTF-8"?>
> > > <TableLayout xmlns:android="http://schemas.android.com/apk/res/
> > > android"
> > > android:layout_width="fill_parent"
> > > android:layout_height="fill_parent"
> > > android:stretchColumns="1">
> > > <TableRow>
> > > <TextView android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_date" />
> > > <DatePicker android:id="@+id/trans_date"
> > > android:layout_width="wrap_content"
> > > android:layout_height="wrap_content" />
> > > </TableRow>
>
> > > <TableRow>
> > > <TextView android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_description" />
> > > <EditText android:id="@+id/trans_descr"
> > > android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"/>
> > > </TableRow>
>
> > > <TableRow>
> > > <TextView android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_number"/>
> > > <EditText android:id="@+id/trans_number"
> > > android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"/>
> > > </TableRow>
>
> > > <TableRow>
> > > <TextView android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_amount"/>
> > > <EditText android:id="@+id/trans_amount"
> > > android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"/>
> > > </TableRow>
>
> > > <TableRow>
> > > <TextView android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_from"/>
> > > <Spinner android:id="@+id/trans_from"
> > > android:layout_width="wrap_content"
> > > android:layout_height="fill_parent"/>
> > > </TableRow>
>
> > > <TableRow>
> > > <TextView android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_to"/>
> > > <Spinner android:id="@+id/trans_to"
> > > android:layout_width="wrap_content"
> > > android:layout_height="fill_parent"/>
> > > </TableRow>
>
> > > <TableRow>
> > > <TextView android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_comments"/>
> > > <EditText android:id="@+id/trans_comments"
> > > android:layout_width="wrap_content"
> > > android:layout_height="fill_parent"/>
> > > </TableRow>
>
> > > <TableRow>
> > > <Button android:id="@+id/transaction_add_button"
> > > android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_add"/>
> > > <Button android:id="@+id/transaction_clear_button"
> > > android:layout_width="wrap_content"
> > > android:layout_height="wrap_content"
> > > android:text="@string/transaction_clear"/>
> > > </TableRow>
>
> > > </TableLayout>
>
> > > Exception:
> > > E/AndroidRuntime( 805): Uncaught handler: thread Main exiting due to
> > > uncaught exception
> > > E/AndroidRuntime( 805): java.lang.RuntimeException: Unable to start
> > > activity ComponentInfo{com.jingsys.money/
> > > com.jingsys.money.EditTransaction}: java.lang.NullPointerException
> > > E/AndroidRuntime( 805): at
> > > android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> > > 1758)
> > > E/AndroidRuntime( 805): at
> > > android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
> > > 1770)
> > > E/AndroidRuntime( 805): at android.app.ActivityThread.access
> > > $1500(ActivityThread.java:99)
> > > E/AndroidRuntime( 805): at android.app.ActivityThread
> > > $H.handleMessage(ActivityThread.java:1271)
> > > E/AndroidRuntime( 805): at
> > > android.os.Handler.dispatchMessage(Handler.java:80)
> > > E/AndroidRuntime( 805): at android.os.Looper.loop(Looper.java:
> > > 91)
> > > E/AndroidRuntime( 805): at
> > > android.app.ActivityThread.main(ActivityThread.java:3052)
> > > E/AndroidRuntime( 805): at
> > > java.lang.reflect.Method.invokeNative(Native Method)
> > > E/AndroidRuntime( 805): at
> > > java.lang.reflect.Method.invoke(Method.java:356)
> > > E/AndroidRuntime( 805): at android.os.ZygoteInit
> > > $MethodAndArgsCaller.run(ZygoteInit.java:1547)
> > > E/AndroidRuntime( 805): at
> > > android.os.ZygoteInit.main(ZygoteInit.java:1445)
> > > E/AndroidRuntime( 805): at
> > > android.dalvik.NativeStart.main(Native Method)
> > > E/AndroidRuntime( 805): Caused by: java.lang.NullPointerException
> > > E/AndroidRuntime( 805): at
> > > com.jingsys.money.EditTransaction.onCreate(EditTransaction.java:47)
> > > E/AndroidRuntime( 805): at
> > > android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
> > > 847)
> > > E/AndroidRuntime( 805): at
> > > android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> > > 1728)
> > > E/AndroidRuntime( 805): ... 11 more
>
> > > Thanks again for you help.
>
> > --
> > Rick Genter
> > [EMAIL PROTECTED]
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