title: how to call data from activity to another without the button only display the data inside the database
body: <p>i want to call my CompanyDetail to display only the datas on another activity.. i want to hide the buttons from CompanytDetail to another activity when i display it. this is my code for CompanyDetail.. my second activity will display CompanyDetail without button as the user click on the listviewItem .. how can i code it? im new to android studio..</p>
  
  <pre><code>public class CompanyDetail extends Activity implements View.OnClickListener {
  
  Button cbtnsave, cbtndelete, cbtnclose;
  EditText etcomname, etcomstand, etcomrep;
  EditText etcomcont, etcommail;
  private int _Company_Id=0;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_company_detail);
  
      cbtnsave = (Button) findViewById(R.id.cbtnSave);
      cbtndelete = (Button) findViewById(R.id.cbtnDelete);
      cbtnclose = (Button) findViewById(R.id.cbtnClose);
  
      etcomname = (EditText) findViewById(R.id.eTcomname);
      etcomstand = (EditText) findViewById(R.id.eTcomstand);
      etcomrep = (EditText) findViewById(R.id.eTcomrep);
      etcomcont = (EditText) findViewById(R.id.eTcomcont);
      etcommail = (EditText) findViewById(R.id.eTcommail);
  
      _Company_Id=0;
      Intent intentc = getIntent();
      _Company_Id = intentc.getIntExtra("company_Id", 0);
      CompanyCrud ccrud= new CompanyCrud(this);
      Company company = new Company();
      company = ccrud.getCompanyById(_Company_Id);
  
      etcomname.setText(company.cname);
      etcomstand.setText(company.cstanding);
      etcomrep.setText(company.crepres);
      etcomcont.setText(company.ccontact);
      etcommail.setText(company.cemail);
  
  }
  
  public void onClick(View view) {
  
      if (view == findViewById(R.id.cbtnSave)){
          CompanyCrud ccrud = new CompanyCrud(this);
          Company company= new Company();
  
          company.cname = etcomname.getText().toString();
          company.cstanding = etcomstand.getText().toString();
          company.crepres = etcomrep.getText().toString();
          company.ccontact=etcomcont.getText().toString();
          company.cemail=etcommail.getText().toString();
  
          if (_Company_Id==0){
              _Company_Id=ccrud.insert(company);
  
              Toast.makeText(this, "New Company Created", Toast.LENGTH_SHORT).show();
          } else {
              ccrud.update(company);
              Toast.makeText(this, "Company Updated", Toast.LENGTH_SHORT).show();
          }
  
      }else if (view == findViewById(R.id.cbtnDelete)){
          CompanyCrud ccrud = new CompanyCrud(this);
          ccrud.delete(_Company_Id);
  
          Toast.makeText(this, "Company Deleted", Toast.LENGTH_SHORT).show();
          finish();
      }else if ( view == findViewById(R.id.cbtnClose)){
          finish();
      }
  
  }
  
  
  @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_company_detail, 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);
  }
   }
  </code></pre>
  
  <p>now this is my code for Crud operation of CompanyDetail</p>
  
  <pre><code> public class CompanyCrud {
  
  private DBHelper dbHelper;
  
  public CompanyCrud(Context context) { dbHelper = new DBHelper(context);}
  
  public int insert(Company company){
      SQLiteDatabase db = dbHelper.getWritableDatabase();
      ContentValues values = new ContentValues();
      values.put(Company.KEY_cname, company.cname);
      values.put(Company.KEY_cstanding, company.cstanding);
      values.put(Company.KEY_crepres, company.crepres);
      values.put(Company.KEY_ccontact, company.ccontact);
      values.put(Company.KEY_cemail, company.cemail);
  
      long company_Id = db.insert(Company.TABLE, null, values);
      db.close();
      return  (int) company_Id;
  
  }
  
  public void delete(int company_Id) {
  
      SQLiteDatabase db = dbHelper.getWritableDatabase();
      db.delete(Company.TABLE,Company.KEY_ID + "=?", new String[]{ String.valueOf(company_Id) });
      db.close();
  }
  
  public void update(Company company) {
      SQLiteDatabase db = dbHelper.getWritableDatabase();
      ContentValues values = new ContentValues();
      values.put(Company.KEY_cname, company.cname);
      values.put(Company.KEY_cstanding, company.cstanding);
      values.put(Company.KEY_crepres, company.crepres);
      values.put(Company.KEY_ccontact, company.ccontact);
      values.put(Company.KEY_cemail, company.cemail);
  
      db.update(Company.TABLE, values, Company.KEY_ID + "= ?", new String[]{String.valueOf(company.company_ID)});
      db.close();
  
  }
  
  public ArrayList&lt;HashMap&lt;String, String&gt;&gt; getCompanytList () {
      SQLiteDatabase db = dbHelper.getReadableDatabase();
  
      String selectQuery = "SELECT " +
              Company.KEY_ID + "," +
              Company.KEY_cname + "," +
              Company.KEY_crepres + "," +
              Company.KEY_ccontact + "," +
              Company.KEY_cemail +
              " FROM " + Company.TABLE;
  
      ArrayList&lt;HashMap&lt;String, String&gt;&gt;companyList =  new ArrayList&lt;HashMap&lt;String, String&gt;&gt;();
  
      Cursor cursor= db.rawQuery(selectQuery, null);
  
      if (cursor.moveToFirst()){
  
          do{
              HashMap&lt;String , String &gt; company = new HashMap&lt;String, String &gt;();
              company.put("cid", cursor.getString(cursor.getColumnIndex(Company.KEY_ID)));
              company.put("cname", cursor.getString(cursor.getColumnIndex(Company.KEY_cname)));
              companyList.add(company);
          } while (cursor.moveToNext());
      }cursor.close();
      db.close();
      return companyList;
  
  }
  
  public Company getCompanyById(int cid) {
      SQLiteDatabase db = dbHelper.getReadableDatabase();
  
      String selectQuery = "SELECT " +
              Company.KEY_ID + "," +
              Company.KEY_cname + "," +
              Company.KEY_crepres + "," +
              Company.KEY_ccontact + "," +
              Company.KEY_cemail +
              " FROM " + Company.TABLE
              + " WHERE " +
              Company.KEY_ID + "=?";
  
      int ictrc =0;
      Company company = new Company();
  
      Cursor cursor = db.rawQuery(selectQuery, new String[]{ String.valueOf(cid)});
  
      if (cursor.moveToFirst()){
          do {
              company.company_ID=cursor.getInt(cursor.getColumnIndex(Company.KEY_ID));
              company.cstanding=cursor.getString(cursor.getColumnIndex(Company.KEY_cstanding));
              company.crepres=cursor.getString(cursor.getColumnIndex(Company.KEY_crepres));
              company.ccontact= cursor.getString(cursor.getColumnIndex(Company.KEY_ccontact));
              company.cemail = cursor.getString(cursor.getColumnIndex(Company.KEY_cemail));
  
          }while (cursor.moveToNext());
  
      } cursor.close();
      db.close();
      return company;
  
  }
   }
  </code></pre>
  
  <p>and this is the class file where i want to display the data and i have nothing on it cause i dont know what i am going to do.. i look for answer using bundle... putextras.. getextras.. i dnt know how to do it and where am i going to put it..</p>
  
  <pre><code> public class DisplayData extends ActionBarActivity {
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_display_data);
  }
  
  
  @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_display_data, 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);
  }
   }
  </code></pre>