Yes I did check for null. It is not the null exception. I am having
problems finding out what kind of an error it is. There is no error in
the code. The program stops in the middle while running.

"Why don't you generate your EditTexts programmatically in a double
loop?" That is a good idea but I was going through the documentation
and it was suggested that we use the xml for doing the GUI. Though the
81 objects can be dynamically generated wouldn't that make the app
slower?

Well anyway, I will try doing that dynamically and see if that fixes
my problem. Thank you for the reply.


On Jan 9, 12:31 am, TreKing <[email protected]> wrote:
> > Now when I try to do a simple getText() method on textArray[][], it
>
> gives me a runtime error but setText() method works fine on textArray[]
>
> []
>
> What's the error? Are you checking for null?
>
> Also, are you seriously defining 81 objects in your layout and then finding
> each one by ID?
> Why don't you generate your EditTexts programmatically in a double loop?
>
> --------------------------------------------------------------------------- 
> ----------------------
> TreKing - Chicago transit tracking app for Android-powered 
> deviceshttp://sites.google.com/site/rezmobileapps/treking
>
>
>
> On Fri, Jan 8, 2010 at 11:08 AM, zosq <[email protected]> wrote:
> > I am simple sudoku app. My main.xml has 81 EditText and 2 buttons as
> > shown below.
>
> > <?xml version="1.0" encoding="utf-8"?>
>
> > <RelativeLayout
> >        xmlns:android="http://schemas.android.com/apk/res/android";
> >        android:layout_width="fill_parent"
> >        android:layout_height="wrap_content"
> >        android:background="@color/activity_background">
> >        <EditText
> >                android:id="@+id/text1"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="2dip"
> >                android:layout_marginLeft="2dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:selectAllOnFocus="true" />
> >        <EditText
> >                android:id="@+id/text2"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="2dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text1"
> >                android:layout_alignTop="@id/text1"
> >                android:selectAllOnFocus="true" />
> >        <EditText
> >                android:id="@+id/text3"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="4dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text2"
> >                android:layout_alignTop="@id/text1"
> >                android:selectAllOnFocus="true" />
> >        <EditText
> >                android:id="@+id/text4"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="2dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text3"
> >                android:layout_alignTop="@id/text1"
> >                android:selectAllOnFocus="true" />
> >        <EditText
> >                android:id="@+id/text5"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="2dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text4"
> >                android:layout_alignTop="@id/text1"
> >                android:selectAllOnFocus="true" />
> >        <EditText
> >                android:id="@+id/text6"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="4dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text5"
> >                android:layout_alignTop="@id/text1"
> >                android:selectAllOnFocus="true" />
> >        <EditText
> >                android:id="@+id/text7"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="2dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text6"
> >                android:layout_alignTop="@id/text1"
> >                android:selectAllOnFocus="true" />
>
> > ....
> > ....
> > ....
> > ....
> > ....
>
> >        <EditText
> >                android:id="@+id/text80"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:layout_marginRight="2dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text79"
> >                android:layout_alignTop="@id/text73"
> >                android:selectAllOnFocus="true" />
> >        <EditText
> >                android:id="@+id/text81"
> >                android:layout_width="33dip"
> >                android:layout_height="33dip"
> >                android:background="@color/textBox_background"
> >                android:layout_marginBottom="2dip"
> >                android:maxLength="1"
> >                android:textColor="@color/textBox_color"
> >                android:numeric="integer"
> >                android:paddingLeft="11dip"
> >                android:layout_toRightOf="@id/text80"
> >                android:layout_alignTop="@id/text73"
> >                android:selectAllOnFocus="true" />
> >        <Button
> >                android:id="@+id/solveButton"
> >                android:layout_width="wrap_content"
> >                android:layout_height="wrap_content"
> >                android:layout_below="@id/text73"
> >                android:layout_alignParentRight="true"
> >                android:layout_marginTop="10dip"
> >                android:text="Solve" />
> >        <Button
> >                android:id="@+id/resetButton"
> >                android:layout_width="wrap_content"
> >                android:layout_height="wrap_content"
> >                android:layout_toLeftOf="@id/solveButton"
> >                android:layout_alignTop="@id/solveButton"
> >                android:text="Reset" />
> > </RelativeLayout>
>
> > In my activity class, I have grouped all these 81 EditTexts into one 2-
> > dimensional array as shown below.
>
> > EditText[][] textArray = new EditText[9][9];
>
> > textArray[0][0] = (EditText)findViewById(R.id.text1);
> > textArray[0][1] = (EditText)findViewById(R.id.text2);
> > textArray[0][2] = (EditText)findViewById(R.id.text3);
> > textArray[0][3] = (EditText)findViewById(R.id.text4);
> > textArray[0][4] = (EditText)findViewById(R.id.text5);
> > textArray[0][5] = (EditText)findViewById(R.id.text6);
> > textArray[0][6] = (EditText)findViewById(R.id.text7);
> > textArray[0][7] = (EditText)findViewById(R.id.text8);
> > textArray[0][8] = (EditText)findViewById(R.id.text9);
> > textArray[1][0] = (EditText)findViewById(R.id.text10);
> > textArray[1][1] = (EditText)findViewById(R.id.text11);
> > textArray[1][2] = (EditText)findViewById(R.id.text12);
> > textArray[1][3] = (EditText)findViewById(R.id.text13);
>
> > ...
> > ...
> > ...
>
> > textArray[8][8] = (EditText)findViewById(R.id.text81);
>
> > Now when I try to do a simple getText() method on textArray[][], it
> > gives me a runtime error but setText() method works fine on textArray[]
> > []
>
> > textArray[i][j].getText().toString()
>
> > Please help me find out what I am doing wrong or what I need to
> > change. Thank you in advance.
>
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