AddStudentActivity.java

package com.example.faceattendancev20;

import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import android.widget.Toast;


public class AddStudentActivity extends Activity {

    private TextView TextViewStudentID;
    private TextView TextViewStudentName;
    private AttendanceDatabase mDatabase;

    private static final String TAG = "AddStudentActivity";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_add_student);

        mDatabase = new AttendanceDatabase(AddStudentActivity.this);
        TextViewStudentID=(TextView)findViewById(R.id.editTextStudentID);
        TextViewStudentName=(TextView)findViewById(R.id.editTextStudentName);

        AttendanceDatabase database = new AttendanceDatabase(AddStudentActivity.this);

        TextView text =new TextView(database.getStudent()); //

        TextViewStudentID.setText(text);

        Bundle extras=getIntent().getExtras();
        if(extras!=null)
        {
            int Value=extras.getInt("stuID");
            if(Value>0)
            {


                Cursor cursor=database.getStudent(stuID);
                Log.d(TAG,"StuID");
                /*int id_to_update=Value;
                cursor.moveToFirst();
                String stuID=cursor.getString(cursor.getColumnIndex(AttendanceDatabase.COLUMN_STUDENT_ID));
                String stuName=cursor.getString(cursor.getColumnIndex(AttendanceDatabase.COLUMN_STUDENT_NAME));

                if(!cursor.isClosed())
                {
                    cursor.close();
                }
                TextViewStudentID.setText((CharSequence)stuID);
                TextViewStudentID.setFocusable(false);
                TextViewStudentID.setClickable(false);

                TextViewStudentName.setText((CharSequence)stuName);
                TextViewStudentName.setFocusable(false);
                TextViewStudentName.setClickable(false);*/
            }
        }


    }


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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

//from AttendanceDatabase.java

    public Cursor getStudent(int stuID)
    {
        return mDatabase.rawQuery("select * from student where stuID = " + stuID, null);
    }