How to solve null pointer exception in android?

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Android

SQLite

I created a custom list view to show some data. Now when I'm entering the data the items doesn't show and my app crashes please help me I used this link for my
Show Multiple data from SQLite database inside ListView in android one by one - Android Examples[^]

What I have tried:

1. LeaveTran Activity:

 LeaveDb myDb;
    Button ShowApprovedStatus;
    //Declaration TextInputLayout
    TextInputLayout textInputGoingAbroad;
    TextInputLayout textInputLayoutDate;
    TextInputLayout textInputLeaveType1;
    TextInputLayout textInputLeaveType2;
    TextInputLayout textInputDays1;
    TextInputLayout textInputExpStDt;
    TextInputLayout textInputExpEndDt;
    TextInputLayout textInputReqType;
    TextInputLayout textInputStatus;
    TextInputLayout textInputSubmit;
    //Declaration EditTexts
    EditText  check_date, Days1, ExpStDt, ExpEndDt;

    
    //Declaration Spinners

      private Spinner LeaveType1, LeaveType2;
    private Spinner ReqType;
    //Declaration Checkbox
    CheckBox Status, GoingAbroad;
    private LinearLayout parentLinearLayout;
    Button onAddField, onDelete ;
<pre> @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_leave_tran);

        myDb = new LeaveDb(this);
        ShowApprovedStatus = (Button) findViewById(R.id.Submit);
        parentLinearLayout = (LinearLayout) findViewById(R.id.parent_linear_layout);
        onAddField = (Button) findViewById(R.id.add_field_button);
        onDelete = (Button) findViewById(R.id.delete_button);




        textInputLeaveType1 = (TextInputLayout) findViewById(R.id.textInputLeaveType1);
        textInputReqType = (TextInputLayout) findViewById(R.id.textInputReqType);
        textInputLeaveType2  = (TextInputLayout) findViewById(R.id.textInputLeaveType2);
        onAddField.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                final View rowView = inflater.inflate(R.layout.field, null);
                // Add the new row before the add field button.
                parentLinearLayout.addView(rowView, parentLinearLayout.getChildCount() - 1);
            }
        });

        onDelete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                parentLinearLayout.removeView((View) v.getParent());
            }
        });
        //Here i can use Start date as a 01/01/2018 and End Date is 01/01/2019
        try {
          System.out.println ("Days: " + getDaysBetweenDates("2019-05-14","2019-05-18"));

        } catch (java.text.ParseException e) {
            e.printStackTrace();
        }

        //Cast variables over here.
        final Calendar myCalendar1 = Calendar.getInstance();



        check_date = (EditText) findViewById(R.id.check_date);
        textInputLayoutDate = (TextInputLayout) findViewById(R.id.textInputLayoutDate);
        // Code for Req Date Picker
        final DatePickerDialog.OnDateSetListener date2 = new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                myCalendar1.set(Calendar.YEAR, year);
                myCalendar1.set(Calendar.MONTH, month);      // Here you can get day,month and year.
                myCalendar1.set(Calendar.DAY_OF_MONTH, dayOfMonth);
                updateLabel();
            }
            private void updateLabel() {
                String myFormat = "yyyy-MM-dd"; //In which you need put here
                SimpleDateFormat sdf = new SimpleDateFormat(myFormat, Locale.US);

                check_date.setText(sdf.format(myCalendar1.getTime()));

            }
        };
        check_date.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                new DatePickerDialog(LeaveTran.this, date2, myCalendar1
                        .get(Calendar.YEAR), myCalendar1.get(Calendar.MONTH),
                        myCalendar1.get(Calendar.DAY_OF_MONTH)).show();

            }
        });
       // Code to retrieve Requested Date

        Days1 = (EditText) findViewById(R.id.Days1);

        textInputDays1 = (TextInputLayout)findViewById(R.id.textInputDays1);

        GoingAbroad = (CheckBox) findViewById(R.id.GoingAbroad);
        textInputGoingAbroad = (TextInputLayout)findViewById(R.id.textInputGoingAbroad);

        final Calendar startDate = Calendar.getInstance();
        textInputExpStDt = (TextInputLayout)findViewById(R.id.textInputExpStDt);
        ExpStDt = (EditText) findViewById(R.id.ExpStDt);
        // Code for ExpStDt picker
        final DatePickerDialog.OnDateSetListener date = new DatePickerDialog.OnDateSetListener(){

            @Override
            public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                startDate.set(Calendar.YEAR, year);
                startDate.set(Calendar.MONTH, month);      // Here you can get day,month and year.
                startDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
                updateLabel();
            }
            private void updateLabel() {

                String myFormat = "yyyy-MM-dd"; //In which you need put here
                SimpleDateFormat sdf = new SimpleDateFormat(myFormat, Locale.US);

                ExpStDt.setText(sdf.format(startDate.getTime()));
            }
        };
        ExpStDt.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                new DatePickerDialog(LeaveTran.this, date, startDate
                        .get(Calendar.YEAR), startDate.get(Calendar.MONTH),
                        startDate.get(Calendar.DAY_OF_MONTH)).show();
                String outputDate = addDays(new Date(),6 ); //for current dates
                ExpEndDt.setText(outputDate);


            }
        });
        final Calendar endDate = Calendar.getInstance();
        textInputExpEndDt = (TextInputLayout)findViewById(R.id.textInputExpEndDt);
        ExpEndDt = (EditText) findViewById(R.id.ExpEndDt);
        // Code for ExpEndDt picker
        final DatePickerDialog.OnDateSetListener date1 = new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                endDate.set(Calendar.YEAR, year);
                endDate.set(Calendar.MONTH, month);       // Here you can get day,month and year.
                endDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
                updateLabel();


            }
            private void updateLabel() {
                String myFormat = "yyyy-MM-dd"; //In which you need put here
                SimpleDateFormat sdf = new SimpleDateFormat(myFormat, Locale.US);

                ExpEndDt.setText(sdf.format(endDate.getTime()));
            }
        };
        ExpEndDt.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                new DatePickerDialog(LeaveTran.this, date1, endDate
                        .get(Calendar.YEAR), endDate.get(Calendar.MONTH),
                        endDate.get(Calendar.DAY_OF_MONTH)).show();

            }
        });

        Status = (CheckBox) findViewById(R.id.Status);
        textInputStatus = (TextInputLayout)findViewById(R.id.textInputStatus);
        ShowApprovedStatus();
        addItemsOnSpinner2();
        //addItemsOnSpinner1();
        addItemsOnSpinner3();

    }

    // add items into spinner dynamically
    private void addItemsOnSpinner3() {
        ReqType = (Spinner)findViewById(R.id.ReqType);
        List<String> list3 = new ArrayList<String>();
        list3.add("Need Advance Payment");
        list3.add("No Advance Payment");
        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, list3);
        dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        ReqType.setAdapter(dataAdapter);
    }

    // add items into spinner dynamically
   /* private void addItemsOnSpinner1() {
        LeaveType2 = (Spinner) findViewById(R.id.LeaveType2);

        List<String> list2 = new ArrayList<String>();
        list2.add("Annual Leave");
        list2.add("Medical Leave Absence");
        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, list2);
        dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        LeaveType2.setAdapter(dataAdapter);

    }*/

    // add items into spinner dynamically
    private void addItemsOnSpinner2() {
        LeaveType1 = (Spinner)findViewById(R.id.LeaveType1);

        List<String> list = new ArrayList<String>();
        list.add("Please Select Leave Type");
        list.add("Annual Leave");
        list.add("Medical Leave Absence");
        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, list);
        dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        LeaveType1.setAdapter(dataAdapter);

    }


    // Calculate days to get the end date
    private String addDays(Date startDate, int Days) {
        SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT, Locale.US);
        Calendar c = Calendar.getInstance();
        try {
            c.setTime(dateFormat.parse(String.valueOf(startDate)));
        } catch (android.net.ParseException e) {
            e.printStackTrace();
        } catch (java.text.ParseException e) {
            e.printStackTrace();
        }

        c.add(Calendar.DAY_OF_WEEK,Days);
        String resultDate=dateFormat.format(c.getTime());
        return resultDate;
    }


    // Code get number of days
    private long getDaysBetweenDates(String  ExpStDt, String  ExpEndDt) throws java.text.ParseException {
        SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT, Locale.US);
        Date startDate, endDate;
        long Days = 0;
        try {
            startDate = dateFormat.parse(ExpStDt);
            endDate = dateFormat.parse(ExpEndDt);

            Days =  getUnitBetweenDates(startDate, endDate, TimeUnit.DAYS);
        } catch (android.net.ParseException e) {
            e.printStackTrace();
        }
        return Days;
    }

    private long getUnitBetweenDates(Date startDate, Date endDate, TimeUnit Days) {
        long timeDiff = startDate.getTime() - endDate.getTime();
        return Days.convert(timeDiff, TimeUnit.MILLISECONDS);
    }


    //Create a method for adding data
    public void ShowApprovedStatus () {

        ShowApprovedStatus.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                // Show Validation
                if (validate()){

                    // Get values from edit text fields.

                   String date = check_date.getText().toString();
                   String Leave1 = LeaveType1.getSelectedItem().toString();
                    String text = LeaveType2.getSelectedItem().toString();
                   String Day1 = Days1.getText().toString();
                   String Exp_St_Dt = ExpStDt.getText().toString();
                   String Exp_End_Dt = ExpEndDt.getText().toString();
                   String Req_Type = ReqType.getSelectedItem().toString();
                   String Status1 = Status.toString();
                }
                // Data inserted or not
                boolean isInserted = myDb.insertData(check_date.getText().toString(),ReqType.getSelectedItem().toString(),LeaveType1.getSelectedItem().toString(), LeaveType2.getSelectedItem().toString(),Days1.getText().toString(), ExpStDt.getText().toString(), ExpEndDt.getText().toString(),Status.toString(),GoingAbroad.toString());

                if (isInserted == true)
                {

                    // TODO Auto-generated method stub

                    Intent intent = new Intent(LeaveTran.this, ListViewActivity.class);
                    startActivity(intent);

                }
                else {
                    Snackbar.make(ShowApprovedStatus, "Data Not Inserted Successfully", Snackbar.LENGTH_LONG).show();
                }

            }
            // This method is used to validate input given by user
            private boolean validate() {
                boolean valid = false;
                // Get values from editText fields
                String date = check_date.getText().toString();
                String Leave1 = LeaveType1.getSelectedItem().toString();
                String text = LeaveType2.getSelectedItem().toString();
                String Day1 = Days1.getText().toString();
                String Exp_St_Dt = ExpStDt.getText().toString();
                String Exp_End_Dt = ExpEndDt.getText().toString();
                String Req_Type = ReqType.getSelectedItem().toString();
                String Status1 = Status.toString();

                // Handling validation for User Name field.

                if (date.isEmpty()){
                    textInputLayoutDate.setError("Please Enter Requested Date");

                } else {
                    valid = true;
                    textInputLayoutDate.setError(null);
                }

                if (Leave1.isEmpty()){
                    valid = false;
                    textInputLeaveType1.setError("Please Choose your Type of Leave No 1");

                } else {
                    valid = true;
                    textInputLeaveType1.setError(null);
                }
                if (text.isEmpty()){
                    valid = false;
                    textInputLeaveType2.setError("Please Choose your Type of Leave No 1");

                } else {
                    valid = true;
                    textInputLeaveType2.setError(null);
                }

                if (Day1.isEmpty()) {
                    valid = false;
                    textInputDays1.setError("Please enter the No. days for Leave Type 1");

                } else {
                    valid = true;
                    textInputDays1.setError(null);
                }
                if (Exp_St_Dt.isEmpty()) {
                    valid = false;
                    textInputExpStDt.setError("Please Enter The Expected Date Where you want to start Your leave");

                } else {

                    valid = true;
                    textInputExpStDt.setError(null);
                }
                if (Exp_End_Dt.isEmpty()) {
                    valid = false;
                    textInputExpEndDt.setError("Please Enter the Expected Date Where you want to End Your leave");

                } else {
                    valid = true;
                    textInputExpEndDt.setError(null);
                }

                if (Req_Type.isEmpty()) {
                    valid = false;
                    textInputReqType.setError("Please Select The Type of Request Leave You Want");

                } else {
                    valid = true;
                    textInputReqType.setError(null);
                }
                if (Status1.isEmpty()) {
                    valid = false;
                    textInputStatus.setError("The status should not go more than 100");

                } else {
                    valid = true;
                    textInputStatus.setError(null);
                }

                // Check validation for end date that is greater or less than start date
                SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd");

                try {
                    if(sdf.parse(Exp_St_Dt).before(sdf.parse(Exp_End_Dt)))
                    {
                        valid = true;//If start date is before end date
                        textInputExpStDt.setError(null);

                    }
                    else if(sdf.parse(Exp_St_Dt).equals(sdf.parse(Exp_End_Dt)))
                    {
                        valid = false;//If two dates are equal
                        textInputExpStDt.setError("The start date should not be same with end date");
                        textInputExpEndDt.setError("The End Date should not be same as Start Date");
                    }
                    else if (sdf.parse(Exp_End_Dt).before(sdf.parse(Exp_St_Dt)))
                    {
                        valid = false; //If start date is after the end date
                        textInputExpEndDt.setError("The End Date should not be less than Start Date");

                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }


                return valid;
            }
        });
    }

}

2. ListView.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".ListViewActivity">

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true" >
    </ListView>
</RelativeLayout>

3. ListViewActivity.java

LeaveDb myDb;
SQLiteDatabase SQLITEDATABASE;
Cursor cursor;
SQLiteListAdapter ListAdapter ;

ArrayList<string> ReqDate_ArrayList = new ArrayList<string>();
ArrayList<string> ReqType_ArrayList = new ArrayList<string>();
ArrayList<string> LeaveType1_ArrayList = new ArrayList<string>();
ArrayList<string> LeaveType2_ArrayList = new ArrayList<string>();
ArrayList<string> Days1_ArrayList = new ArrayList<string>();
ArrayList<string> ExpStDt_ArrayList = new ArrayList<string>();
ArrayList<string> ExpEndDt_ArrayList = new ArrayList<string>();
ArrayList<string> Status_ArrayList = new ArrayList<string>();
ArrayList<string> GoingAbroad_ArrayList = new ArrayList<string>();
ListView LISTVIEW;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_list_view);

LISTVIEW = (ListView) findViewById(R.id.listView1);

myDb = new LeaveDb(this);
}
@Override
protected void onResume() {

ShowSQLiteDBdata() ;

super.onResume();
}

private void ShowSQLiteDBdata() {
SQLITEDATABASE = myDb.getWritableDatabase();
cursor = SQLITEDATABASE.rawQuery("SELECT * FROM LeaveTran", null);

ReqDate_ArrayList.clear(); // 1
ReqType_ArrayList.clear(); // 2
LeaveType1_ArrayList.clear(); // 3
LeaveType2_ArrayList.clear(); // 4
Days1_ArrayList.clear(); //5
ExpStDt_ArrayList.clear(); //6
ExpEndDt_ArrayList.clear(); //7
Status_ArrayList.clear(); //8
GoingAbroad_ArrayList.clear(); //9

if (cursor.moveToFirst()) {
do {
ReqDate_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_ReqDate))); // 1
ReqType_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_ReqType))); // 2
LeaveType1_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_LeaveType1))); // 3
LeaveType2_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_LeaveType2))); // 4
Days1_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_Days1))); // 5
ExpStDt_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_ExpStDt))); // 6
ExpEndDt_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_ExpEndDt))); // 7
Status_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_Status))); // 8
GoingAbroad_ArrayList.add(cursor.getString(cursor.getColumnIndex(myDb.KEY_GoingAbroad))); //9

} while (cursor.moveToNext());
}
ListAdapter = new SQLiteListAdapter(ListViewActivity.this,
ReqDate_ArrayList, //1
ReqType_ArrayList, //2
LeaveType1_ArrayList, //3
LeaveType2_ArrayList, //4
Days1_ArrayList, //5
ExpStDt_ArrayList, //6
ExpStDt_ArrayList, //7
ExpEndDt_ArrayList, // 8
Status_ArrayList, // 9
GoingAbroad_ArrayList // 10
);
LISTVIEW.setAdapter(ListAdapter);

cursor.close();
}


4. listdatalayout.xml

<relativelayout
xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
="" android:layout_height="match_parent" android:paddingbottom="@dimen/activity_vertical_margin" android:paddingleft="@dimen/activity_horizontal_margin" android:paddingright="@dimen/activity_horizontal_margin" android:paddingtop="@dimen/activity_vertical_margin">
<textview
android:id="@+id/textView1"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentleft="true" android:layout_alignparenttop="true" android:text="ReqDate = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewID"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/textView1" android:layout_alignbottom="@+id/textView1" android:layout_torightof="@+id/textView1" android:text="ReqDate" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textView2"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentleft="true" android:layout_below="@+id/textView1" android:text="ReqType = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewNAME"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textViewID" android:layout_torightof="@+id/textView2" android:text="ReqType" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textView3"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentleft="true" android:layout_below="@+id/textView2" android:text="LeaveType1 = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewPHONE_NUMBER"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbottom="@+id/textView3" android:layout_torightof="@+id/textView3" android:text="LeaveType1" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textView4"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentleft="true" android:layout_below="@+id/textView3" android:text="LeaveType2 = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewSUBJECT"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/textView4" android:layout_alignbottom="@+id/textView4" android:layout_torightof="@+id/textView4" android:text="LeaveType2" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">
<textview
android:id="@+id/textView6"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView3" android:layout_alignparentleft="true" android:layout_marginleft="18dp" android:layout_margintop="38dp" android:text="Days1 = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewDays1"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/textView6" android:layout_alignbottom="@+id/textView6" android:layout_marginleft="1dp" android:layout_marginbottom="3dp" android:layout_torightof="@+id/textView4" android:text="Days1" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">
<textview
android:id="@+id/textView7"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView4" android:layout_alignparentleft="true" android:layout_marginleft="18dp" android:layout_margintop="38dp" android:text="ExpStDt = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewExpStDt"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/textView7" android:layout_alignbottom="@+id/textView7" android:layout_marginleft="1dp" android:layout_marginbottom="3dp" android:layout_torightof="@+id/textView4" android:text="ExpStDt" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">
<textview
android:id="@+id/textView8"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView6" android:layout_alignparentleft="true" android:layout_marginleft="18dp" android:layout_margintop="38dp" android:text="ExpEndDt = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewExpEndDt"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/textView8" android:layout_alignbottom="@+id/textView8" android:layout_marginleft="1dp" android:layout_marginbottom="3dp" android:layout_torightof="@+id/textView4" android:text="ExpEndDt" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textView9"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView7" android:layout_alignparentleft="true" android:layout_marginleft="18dp" android:layout_margintop="38dp" android:text="Status = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewStatus"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/textView9" android:layout_alignbottom="@+id/textView9" android:layout_marginleft="1dp" android:layout_marginbottom="3dp" android:layout_torightof="@+id/textView4" android:text="Status" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">
<textview
android:id="@+id/textView10"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView8" android:layout_alignparentleft="true" android:layout_marginleft="18dp" android:layout_margintop="38dp" android:text="Status = " android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

<textview
android:id="@+id/textViewGoingAbroad"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbaseline="@+id/textView10" android:layout_alignbottom="@+id/textView10" android:layout_marginleft="1dp" android:layout_marginbottom="3dp" android:layout_torightof="@+id/textView4" android:text="Status" android:textappearance="?android:attr/textAppearanceMedium" android:textcolor="#050505">

This is what the shows in my Logcat:
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
at com.example.huzai.listview.LeaveTran.ShowApprovedStatus(LeaveTran.java:312)
at com.example.huzai.listview.LeaveTran.onCreate(LeaveTran.java:220)