Android

import android.app.Activity;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ArrayAdapter;

import android.widget.TextView;

public class StudentAdapter extends ArrayAdapter<Student> {

Context context;

int layoutResourseId;

Student data[] = null;

public StudentAdapter(Context context, int layoutResourceId, Student[] data) {

super(context, layoutResourceId, data);

this.context = context;

this.layoutResourseId = layoutResourceId;

this.data = data;

// TODO Auto-generated constructor stub

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

View row = convertView;

StudentHolder holder = null;

if(row == null)

{

LayoutInflater inflater = ((Activity)context).getLayoutInflater();

row = inflater.inflate(layoutResourseId, parent, false);

holder = new StudentHolder();

//Associate the Items in the holder with a view in the XML file.

holder.tvStNumber = (TextView)row.findViewById(R.id.tvStNumber);

row.setTag(holder);

} else

{

holder = (StudentHolder) row.getTag();

}

//Setting the text for the items

Student item =data[position];

holder.tvStNumber.setText(item.GetStudentNumber());

return row;

}

//Student Holder

static class StudentHolder

{

TextView tvStNumber;

TextView tvStDescription;

}

}

listView1.setOnItemClickListener(new OnItemClickListener() {

@Override

public void onItemClick(AdapterView<?> parent, View view, int position,long id) {

try{

String listValue = ((TextView)view).getText().toString(); //This is where the exception is happening. The below text should have been commented out.

// String text = (String) listView1.getItemAtPosition(position); // this is where the excexption is happening.

Toast.makeText(getApplicationContext(), "You click" + position, Toast.LENGTH_LONG).show();

String d = "Test toast.";

}catch(Exception e)

{

Log.e("Error Message", e.getMessage());

}

}

});

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical"

tools:ignore="HardcodedText"

>

<ScrollView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

>

<LinearLayout

android:id="@+id/linearylayout1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal"

>

<ListView

android:id="@+id/lvStudent"

android:layout_width="match_parent"

android:layout_height="144dp"

android:descendantFocusability="beforeDescendants"

>

</ListView>

</LinearLayout>

</ScrollView>

</LinearLayout>

?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="fill_parent"

android:orientation="vertical"

android:focusable="false"

>

<TextView

android:id="@+id/tvStNumber"

android:layout_width="100sp"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_alignParentTop="true"

android:layout_marginLeft="10sp"

android:layout_marginTop="5sp"

android:text="EE#" />

<TextView

android:id="@+id/tvStDescription"

android:layout_width="100sp"

android:layout_height="wrap_content"

android:layout_alignParentTop="true"

android:layout_marginLeft="10sp"

android:layout_toRightOf="@+id/tvStNumber"

android:text="Item Description" />

</RelativeLayout>

String listValue = (((TextView) ((RelativeLayout) v).getChildAt(0)).getText().toString());

String listValue = ((TextView)view).getText().toString();

listView1.setOnItemClickListener(new OnItemClickListener() {

@Override

public void onItemClick(AdapterView<?> parent, View view, int position,long id) {

try{

String listValue = parent.getItemAtPosition(position).GetStudentNumber(); //This is where the exception is happening. The below text should have been commented out.

// String text = (String) listView1.getItemAtPosition(position); // this is where the excexption is happening.

Toast.makeText(getApplicationContext(), "You click" + position, Toast.LENGTH_LONG).show();

String d = "Test toast.";

}catch(Exception e)

{

Log.e("Error Message", e.getMessage());

}

}

});