Android Listview มีปัญหาครับ แนะนำทีครับ พอใส่ยาวเกิน error ครับ

package com.Project.project;

import java.util.ArrayList;
import java.util.HashMap;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {

	ArrayList<HashMap<String, String>> MyArrList;
	ListView lisView1;
	Button btnCheckAll, btnClearAll, btnGetItem;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		Values();

		HashMap<String, String> map;

		/*** Rows 1 ***/
		map = new HashMap<String, String>();
		map.put("ID", "1");
		map.put("List", "คณะเกษตรศาสตร์	");
		this.MyArrList.add(map);

		/*** Rows 2 ***/
		map = new HashMap<String, String>();
		map.put("ID", "2");
		map.put("List", "คณะเทคนิคการแพทย์");
		this.MyArrList.add(map);

		/*** Rows 3 ***/
		map = new HashMap<String, String>();
		map.put("ID", "3");
		map.put("List", "คณะทันตแพทย์ศาสตร์");
		this.MyArrList.add(map);

		/*** Rows 4 ***/
		map = new HashMap<String, String>();
		map.put("ID", "4");
		map.put("List", "คณะเทคโนโลยี");
		this.MyArrList.add(map);

		/*** Rows 5 ***/
		map = new HashMap<String, String>();
		map.put("ID", "5");
		map.put("List", "คณะพยาบาลศาสตร์");
		this.MyArrList.add(map);

		/*** Rows 6 ***/
		map = new HashMap<String, String>();
		map.put("ID", "6");
		map.put("List", "คณะเภสัชศาสตร์");
		this.MyArrList.add(map);

		/*** Rows 7 ***/
		map = new HashMap<String, String>();
		map.put("ID", "7");
		map.put("List", "คณะแพทย์ศาสตร์");
		this.MyArrList.add(map);

		/*** Rows 8 ***/
		map = new HashMap<String, String>();
		map.put("ID", "8");
		map.put("List", "คณะมนุษยศาสต์และสังคมศาสตร์");
		this.MyArrList.add(map);

		/*** Rows 9 ***/
		map = new HashMap<String, String>();
		map.put("ID", "9");
		map.put("List", "คณะนิติศาสตร์");
		this.MyArrList.add(map);

		/*** Rows 10 ***/
		map = new HashMap<String, String>();
		map.put("ID", "10");
		map.put("List", "บัณฑิตวิทยาลัย");
		this.MyArrList.add(map);

		/*** Rows 11 ***/
		map = new HashMap<String, String>();
		map.put("ID", "11");
		map.put("List", "คณะวิทยาการจัดการ");
		this.MyArrList.add(map);

		/*** Rows 12 ***/
		map = new HashMap<String, String>();
		map.put("ID", "12");
		map.put("List", "วิทยาลัยบัณฑิตศึกษาการจัดการ");
		this.MyArrList.add(map);

		/*** Rows 13 ***/
		map = new HashMap<String, String>();
		map.put("ID", "13");
		map.put("List", "วิทยาลัยการปกครอง");
		this.MyArrList.add(map);

		// /*** Rows 14 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "14");
		// map.put("List", "วิทยาลัยนานาชาติ");
		// this.MyArrList.add(map);
		
		// /*** Rows 15 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "15");
		// map.put("List", "คณะวิทยาศาสตร์");
		// this.MyArrList.add(map);
		//
		// /*** Rows 16 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "16");
		// map.put("List", "คณะวิศวกรรมศาสตร์");
		// this.MyArrList.add(map);
		//
		// /*** Rows 17 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "17");
		// map.put("List", "คณะศิลปกรรมศาสตร์");
		// this.MyArrList.add(map);
		//
		// /*** Rows 18 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "18");
		// map.put("List", "คณะศึกษาศาสตร์");
		// this.MyArrList.add(map);
		//
		// /*** Rows 19 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "19");
		// map.put("List", "คณะสถาปัตยกรรมศาสตร์");
		// this.MyArrList.add(map);
		//
		// /*** Rows 20 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "20");
		// map.put("List", "คณะสัตวแพทยศาสตร์");
		// this.MyArrList.add(map);
		//
		// /*** Rows 21 ***/
		// map = new HashMap<String, String>();
		// map.put("ID", "21");
		// map.put("List", "คณะสาธารณะสุขศาสตร์");
		// this.MyArrList.add(map);

		this.lisView1.setAdapter(new ListAdapter(this));

		// Check All
		btnCheckAll.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				int count = lisView1.getAdapter().getCount();
				for (int i = 0; i < count; i++) {
					LinearLayout itemLayout = (LinearLayout) lisView1
							.getChildAt(i); // Find by under LinearLayout
					CheckBox checkbox = (CheckBox) itemLayout
							.findViewById(R.id.checkBox_activity_column_1);
					checkbox.setChecked(true);
				}
			}
		});

		// Clear All
		btnClearAll.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				int count = lisView1.getAdapter().getCount();
				for (int i = 0; i < count; i++) {
					LinearLayout itemLayout = (LinearLayout) lisView1
							.getChildAt(i); // Find by under LinearLayout
					CheckBox checkbox = (CheckBox) itemLayout
							.findViewById(R.id.checkBox_activity_column_1);
					checkbox.setChecked(false);
				}
			}
		});

		// Get Item Checked
		btnGetItem.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				int count = lisView1.getAdapter().getCount();
				for (int i = 0; i < count; i++) {
					LinearLayout itemLayout = (LinearLayout) lisView1
							.getChildAt(i); // Find by under LinearLayout
					CheckBox checkbox = (CheckBox) itemLayout
							.findViewById(R.id.checkBox_activity_column_1);
					if (checkbox.isChecked()) {

						// Log.d("Item " + String.valueOf(i), checkbox.getTag()
						// .toString());

						Toast.makeText(MainActivity.this,
								checkbox.getTag().toString(), Toast.LENGTH_LONG)
								.show();
					}
				}
			}
		});

	}

	public class ListAdapter extends BaseAdapter {
		private Context context;

		public ListAdapter(Context c) {
			// super( c, R.layout.activity_column, R.id.rowTextView, );
			// TODO Auto-generated method stub
			context = c;
		}

		public int getCount() {
			// TODO Auto-generated method stub
			return MyArrList.size();
		}

		public Object getItem(int position) {
			// TODO Auto-generated method stub
			return position;
		}

		public long getItemId(int position) {
			// TODO Auto-generated method stub
			return position;
		}

		public View getView(final int position, View convertView,
				ViewGroup parent) {
			// TODO Auto-generated method stub

			LayoutInflater inflater = (LayoutInflater) context
					.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

			if (convertView == null) {
				convertView = inflater.inflate(R.layout.activity_column, null);

			}

			// code_Id
			TextView txtID = (TextView) convertView
					.findViewById(R.id.textView_activity_column_1);
			txtID.setText(MyArrList.get(position).get("ID") + ".");

			// code_List
			TextView txtList = (TextView) convertView
					.findViewById(R.id.textView_activity_column_2);
			txtList.setText(MyArrList.get(position).get("List"));

			// code_Check
			CheckBox check = (CheckBox) convertView
					.findViewById(R.id.checkBox_activity_column_1);
			check.setTag(MyArrList.get(position).get("List"));

			return convertView;

		}
	}

	private void Values() {
		// TODO Auto-generated method stub
		this.lisView1 = (ListView) findViewById(R.id.listView_activity_main_1);
		this.MyArrList = new ArrayList<HashMap<String, String>>();
		this.btnCheckAll = (Button) findViewById(R.id.btn_CheckAll);
		this.btnClearAll = (Button) findViewById(R.id.btn_ClearAll);
		this.btnGetItem = (Button) findViewById(R.id.btn_Search);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}
}

				for (int i = 0; i < count; i++) {
					LinearLayout itemLayout = (LinearLayout) lisView1
							.getChildAt(i); // Find by under LinearLayout
					CheckBox checkbox = (CheckBox) itemLayout
							.findViewById(R.id.checkBox_activity_column_1);

					if(checkbox != null)
					{
						checkbox.setChecked(true);
					}
				}