enabling or disabling validation for a particular EditTextView dynamically though program

MainActivity.XML

<?xml version="1.0" encoding="utf-8"?>

<ScrollView

    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"

    tools:context=".MainActivity">







    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:orientation="vertical"

        android:layout_marginTop="50dp">





    <android.support.v7.widget.CardView

        android:id="@+id/first_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:layout_marginBottom="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp">





        <EditText

            android:id="@+id/first_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="First Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"

            />

    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:id="@+id/last_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp"

        android:layout_marginBottom="10dp">



        <EditText

            android:id="@+id/last_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Last Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginRight="@dimen/margin_low"

        android:layout_marginLeft="10dp"

        android:layout_gravity="bottom"

        app:cardCornerRadius="5dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp">



        <Spinner

            android:id="@+id/doctors_list"

            android:layout_width="match_parent"

            android:layout_height="@dimen/spinner_height"

            android:gravity="left">

        </Spinner>



    </android.support.v7.widget.CardView>





    <android.support.v7.widget.CardView

        android:id="@+id/ref_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp"

        app:cardCornerRadius="5dp">



        <EditText

            android:id="@+id/reference"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Reference"

            android:imeOptions="actionNext"

            android:inputType="textPersonName"

            android:maxLength="70"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>









        <Button

            android:id="@+id/submit_button"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_marginLeft="15dp"

            android:layout_marginRight="15dp"

            android:layout_marginTop="10dp"

            android:layout_marginBottom="10dp"

            android:text="Submit"/>



    </LinearLayout>



</ScrollView>

MainActivity.Java

public class MainActivity extends AppCompatActivity implements View.OnClickListener {





    private EditText firstName;

    private EditText lastName;

    private Spinner selDoc;

    private EditText reference;

    private Button submitBut;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        firstName = findViewById(R.id.first_name);

        lastName = findViewById(R.id.last_name);

        selDoc = findViewById(R.id.doctors_list);

        reference = findViewById(R.id.reference);

        submitBut = findViewById(R.id.submit_button);



        String dicList = getResources().getStringArray(R.array.doctors_list);

        ArrayAdapter<String> docAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dicList);

        selDoc.setAdapter(docAdapter);



        setOnListnerClickedItems();

        setListeners();



    }





    private void setOnListnerClickedItems() {



        submitBut.setOnClickListener(this);

    }



    private void setListeners() {



        lastName.setVisibility(View.INVISIBLE);



    }





    @Override

    public void onClick(View view) {

        int id = view.getId();



        switch (id) {

            case R.id.submit_button:



                String errorMsg = validate();



                if (errorMsg.toString().isEmpty()) {



                    Toast.makeText(MainActivity.this, "Data Saved Successfully", Toast.LENGTH_SHORT).show();



                } else {

                    Toast.makeText(MainActivity.this, errorMsg, Toast.LENGTH_SHORT).show();

                }

                break;

        }

    }









    private String validate() {

        if (ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (!Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (!Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (!Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

}

I have 4 fields in the form including firstName, lastName, doctorList, and referenceName. I need to validate all the fields excluding INVISIBLE fields.
As given in the code 3 fields are visible and 1 field i.e. lastName is invisible. But, when I am entering data and clicking on the submit button it's showing error as Please Enter the Last Name. How to validate only visible fields dynamically? Please help me.

edited Nov 15 '18 at 13:35

asked Nov 15 '18 at 13:08

Shruti B

Yeah with invisible edittext you are able to get text from edittext. So you need to change visibility from INVISIBLE to GONE.

– Piyush
Nov 15 '18 at 13:20

did that way too. still, not working @Piyush

– Shruti B
Nov 15 '18 at 13:49

add a comment |

MainActivity.XML

<?xml version="1.0" encoding="utf-8"?>

<ScrollView

    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"

    tools:context=".MainActivity">







    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:orientation="vertical"

        android:layout_marginTop="50dp">





    <android.support.v7.widget.CardView

        android:id="@+id/first_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:layout_marginBottom="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp">





        <EditText

            android:id="@+id/first_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="First Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"

            />

    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:id="@+id/last_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp"

        android:layout_marginBottom="10dp">



        <EditText

            android:id="@+id/last_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Last Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginRight="@dimen/margin_low"

        android:layout_marginLeft="10dp"

        android:layout_gravity="bottom"

        app:cardCornerRadius="5dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp">



        <Spinner

            android:id="@+id/doctors_list"

            android:layout_width="match_parent"

            android:layout_height="@dimen/spinner_height"

            android:gravity="left">

        </Spinner>



    </android.support.v7.widget.CardView>





    <android.support.v7.widget.CardView

        android:id="@+id/ref_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp"

        app:cardCornerRadius="5dp">



        <EditText

            android:id="@+id/reference"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Reference"

            android:imeOptions="actionNext"

            android:inputType="textPersonName"

            android:maxLength="70"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>









        <Button

            android:id="@+id/submit_button"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_marginLeft="15dp"

            android:layout_marginRight="15dp"

            android:layout_marginTop="10dp"

            android:layout_marginBottom="10dp"

            android:text="Submit"/>



    </LinearLayout>



</ScrollView>

MainActivity.Java

public class MainActivity extends AppCompatActivity implements View.OnClickListener {





    private EditText firstName;

    private EditText lastName;

    private Spinner selDoc;

    private EditText reference;

    private Button submitBut;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        firstName = findViewById(R.id.first_name);

        lastName = findViewById(R.id.last_name);

        selDoc = findViewById(R.id.doctors_list);

        reference = findViewById(R.id.reference);

        submitBut = findViewById(R.id.submit_button);



        String dicList = getResources().getStringArray(R.array.doctors_list);

        ArrayAdapter<String> docAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dicList);

        selDoc.setAdapter(docAdapter);



        setOnListnerClickedItems();

        setListeners();



    }





    private void setOnListnerClickedItems() {



        submitBut.setOnClickListener(this);

    }



    private void setListeners() {



        lastName.setVisibility(View.INVISIBLE);



    }





    @Override

    public void onClick(View view) {

        int id = view.getId();



        switch (id) {

            case R.id.submit_button:



                String errorMsg = validate();



                if (errorMsg.toString().isEmpty()) {



                    Toast.makeText(MainActivity.this, "Data Saved Successfully", Toast.LENGTH_SHORT).show();



                } else {

                    Toast.makeText(MainActivity.this, errorMsg, Toast.LENGTH_SHORT).show();

                }

                break;

        }

    }









    private String validate() {

        if (ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (!Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (!Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (!Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

}

edited Nov 15 '18 at 13:35

asked Nov 15 '18 at 13:08

Shruti B

Yeah with invisible edittext you are able to get text from edittext. So you need to change visibility from INVISIBLE to GONE.

– Piyush
Nov 15 '18 at 13:20

did that way too. still, not working @Piyush

– Shruti B
Nov 15 '18 at 13:49

add a comment |

MainActivity.XML

<?xml version="1.0" encoding="utf-8"?>

<ScrollView

    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"

    tools:context=".MainActivity">







    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:orientation="vertical"

        android:layout_marginTop="50dp">





    <android.support.v7.widget.CardView

        android:id="@+id/first_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:layout_marginBottom="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp">





        <EditText

            android:id="@+id/first_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="First Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"

            />

    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:id="@+id/last_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp"

        android:layout_marginBottom="10dp">



        <EditText

            android:id="@+id/last_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Last Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginRight="@dimen/margin_low"

        android:layout_marginLeft="10dp"

        android:layout_gravity="bottom"

        app:cardCornerRadius="5dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp">



        <Spinner

            android:id="@+id/doctors_list"

            android:layout_width="match_parent"

            android:layout_height="@dimen/spinner_height"

            android:gravity="left">

        </Spinner>



    </android.support.v7.widget.CardView>





    <android.support.v7.widget.CardView

        android:id="@+id/ref_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp"

        app:cardCornerRadius="5dp">



        <EditText

            android:id="@+id/reference"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Reference"

            android:imeOptions="actionNext"

            android:inputType="textPersonName"

            android:maxLength="70"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>









        <Button

            android:id="@+id/submit_button"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_marginLeft="15dp"

            android:layout_marginRight="15dp"

            android:layout_marginTop="10dp"

            android:layout_marginBottom="10dp"

            android:text="Submit"/>



    </LinearLayout>



</ScrollView>

MainActivity.Java

public class MainActivity extends AppCompatActivity implements View.OnClickListener {





    private EditText firstName;

    private EditText lastName;

    private Spinner selDoc;

    private EditText reference;

    private Button submitBut;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        firstName = findViewById(R.id.first_name);

        lastName = findViewById(R.id.last_name);

        selDoc = findViewById(R.id.doctors_list);

        reference = findViewById(R.id.reference);

        submitBut = findViewById(R.id.submit_button);



        String dicList = getResources().getStringArray(R.array.doctors_list);

        ArrayAdapter<String> docAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dicList);

        selDoc.setAdapter(docAdapter);



        setOnListnerClickedItems();

        setListeners();



    }





    private void setOnListnerClickedItems() {



        submitBut.setOnClickListener(this);

    }



    private void setListeners() {



        lastName.setVisibility(View.INVISIBLE);



    }





    @Override

    public void onClick(View view) {

        int id = view.getId();



        switch (id) {

            case R.id.submit_button:



                String errorMsg = validate();



                if (errorMsg.toString().isEmpty()) {



                    Toast.makeText(MainActivity.this, "Data Saved Successfully", Toast.LENGTH_SHORT).show();



                } else {

                    Toast.makeText(MainActivity.this, errorMsg, Toast.LENGTH_SHORT).show();

                }

                break;

        }

    }









    private String validate() {

        if (ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (!Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (!Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (!Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

}

edited Nov 15 '18 at 13:35

asked Nov 15 '18 at 13:08

Shruti B

MainActivity.XML

<?xml version="1.0" encoding="utf-8"?>

<ScrollView

    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"

    tools:context=".MainActivity">







    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:orientation="vertical"

        android:layout_marginTop="50dp">





    <android.support.v7.widget.CardView

        android:id="@+id/first_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:layout_marginBottom="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp">





        <EditText

            android:id="@+id/first_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="First Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"

            />

    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:id="@+id/last_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        app:cardCornerRadius="5dp"

        android:layout_marginBottom="10dp">



        <EditText

            android:id="@+id/last_name"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Last Name"

            android:imeOptions="actionNext"

            android:maxLength="35"

            android:inputType="textPersonName"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>













    <android.support.v7.widget.CardView

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginRight="@dimen/margin_low"

        android:layout_marginLeft="10dp"

        android:layout_gravity="bottom"

        app:cardCornerRadius="5dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp">



        <Spinner

            android:id="@+id/doctors_list"

            android:layout_width="match_parent"

            android:layout_height="@dimen/spinner_height"

            android:gravity="left">

        </Spinner>



    </android.support.v7.widget.CardView>





    <android.support.v7.widget.CardView

        android:id="@+id/ref_name_card"

        android:layout_width="match_parent"

        android:layout_height="@dimen/card_view_height_patient"

        android:layout_marginLeft="10dp"

        android:elevation="20dp"

        android:layout_marginBottom="10dp"

        app:cardCornerRadius="5dp">



        <EditText

            android:id="@+id/reference"

            android:layout_width="match_parent"

            android:layout_height="@dimen/text_input_height"

            android:background="@color/white"

            android:backgroundTint="@color/white"

            android:drawablePadding="@dimen/drawable_padding"

            android:hint="Reference"

            android:imeOptions="actionNext"

            android:inputType="textPersonName"

            android:maxLength="70"

            android:maxLines="1"

            android:textSize="@dimen/edit_text_size"

            android:padding="10dp"/>



    </android.support.v7.widget.CardView>









        <Button

            android:id="@+id/submit_button"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_marginLeft="15dp"

            android:layout_marginRight="15dp"

            android:layout_marginTop="10dp"

            android:layout_marginBottom="10dp"

            android:text="Submit"/>



    </LinearLayout>



</ScrollView>

MainActivity.Java

public class MainActivity extends AppCompatActivity implements View.OnClickListener {





    private EditText firstName;

    private EditText lastName;

    private Spinner selDoc;

    private EditText reference;

    private Button submitBut;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        firstName = findViewById(R.id.first_name);

        lastName = findViewById(R.id.last_name);

        selDoc = findViewById(R.id.doctors_list);

        reference = findViewById(R.id.reference);

        submitBut = findViewById(R.id.submit_button);



        String dicList = getResources().getStringArray(R.array.doctors_list);

        ArrayAdapter<String> docAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dicList);

        selDoc.setAdapter(docAdapter);



        setOnListnerClickedItems();

        setListeners();



    }





    private void setOnListnerClickedItems() {



        submitBut.setOnClickListener(this);

    }



    private void setListeners() {



        lastName.setVisibility(View.INVISIBLE);



    }





    @Override

    public void onClick(View view) {

        int id = view.getId();



        switch (id) {

            case R.id.submit_button:



                String errorMsg = validate();



                if (errorMsg.toString().isEmpty()) {



                    Toast.makeText(MainActivity.this, "Data Saved Successfully", Toast.LENGTH_SHORT).show();



                } else {

                    Toast.makeText(MainActivity.this, errorMsg, Toast.LENGTH_SHORT).show();

                }

                break;

        }

    }









    private String validate() {

        if (ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (!Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (!Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (!Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

}

java android validation

edited Nov 15 '18 at 13:35

asked Nov 15 '18 at 13:08

Shruti B

edited Nov 15 '18 at 13:35

asked Nov 15 '18 at 13:08

Shruti B

edited Nov 15 '18 at 13:35

asked Nov 15 '18 at 13:08

Shruti B

asked Nov 15 '18 at 13:08

Shruti B

asked Nov 15 '18 at 13:08

Shruti B

Yeah with invisible edittext you are able to get text from edittext. So you need to change visibility from INVISIBLE to GONE.

– Piyush
Nov 15 '18 at 13:20

did that way too. still, not working @Piyush

– Shruti B
Nov 15 '18 at 13:49

add a comment |

Yeah with invisible edittext you are able to get text from edittext. So you need to change visibility from INVISIBLE to GONE.

– Piyush
Nov 15 '18 at 13:20

did that way too. still, not working @Piyush

– Shruti B
Nov 15 '18 at 13:49

Yeah with invisible edittext you are able to get text from edittext. So you need to change visibility from INVISIBLE to GONE.

– Piyush
Nov 15 '18 at 13:20

did that way too. still, not working @Piyush

– Shruti B
Nov 15 '18 at 13:49

add a comment |

3 Answers
3

active

oldest

votes

For that, you need to check the visibility of the field and apply validation among them

For example:

//To check the visibilty of the filed 

if(edittLastName.getVisibility() == View.VISIBLE){

    vaildateField();

}

Validation Function :

private void vaildateField(){

    if(etxLastName.getLength()==0)

        Log.e("Error","Enter last name");

}

edited Nov 15 '18 at 13:37

answered Nov 15 '18 at 13:13

Sniffer

7481822

I want to disable that invisible field dynamically. This is sample code. For this time lastName field is invisible but nexttime maybe another fields will be invisible. So for that i need to validate visible fields only.

– Shruti B
Nov 15 '18 at 13:18

@ShrutiB I update the answer , please check it

– Sniffer
Nov 15 '18 at 13:26

for every field i need to make separate method to validate it. I am validating all fields in single method. How do I escape that single field which is invisible.

– Shruti B
Nov 15 '18 at 13:47

No, it's a basic, you need to apply your own logic or maintain a boolean value, don't expect for full code. I just give the key for playing with visibility of the field

– Sniffer
Nov 15 '18 at 13:50

yes, i got it. Applying the same.

– Shruti B
Nov 15 '18 at 14:05

|
show 2 more comments

Add boolean value

boolean isneedValidation=false;



        else if (isneedValidation &&ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

                return "Please Enter Your Email ID";

            }

if isneedValidation is true condition will check otherwise it will skip
whenever you want to change the Edittext to visible at the time change the boolean value

answered Nov 15 '18 at 13:25

veerendran

364

no need to take boolean isneedValidation=false; working by putting this code if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) { return "Please Enter Your First Name"; }

– Shruti B
Nov 15 '18 at 14:18

add a comment |

This is the certain answer of your question.

private String validate() {

        if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (firstName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (lastName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (lastName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (selDoc.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (reference.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (reference.getVisibility() == View.VISIBLE && !Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

answered Nov 15 '18 at 14:06

Murat Guc

22227

This answer is also what @user:5978440 tried to explain you.

– Murat Guc
Nov 15 '18 at 14:09

Thank you for your help. I have done with the same technique. It's working fine

– Shruti B
Nov 15 '18 at 14:23

add a comment |

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3 Answers
3

active

oldest

votes

3 Answers
3

active

oldest

votes

For that, you need to check the visibility of the field and apply validation among them

For example:

//To check the visibilty of the filed 

if(edittLastName.getVisibility() == View.VISIBLE){

    vaildateField();

}

Validation Function :

private void vaildateField(){

    if(etxLastName.getLength()==0)

        Log.e("Error","Enter last name");

}

edited Nov 15 '18 at 13:37

answered Nov 15 '18 at 13:13

Sniffer

7481822

I want to disable that invisible field dynamically. This is sample code. For this time lastName field is invisible but nexttime maybe another fields will be invisible. So for that i need to validate visible fields only.

– Shruti B
Nov 15 '18 at 13:18

@ShrutiB I update the answer , please check it

– Sniffer
Nov 15 '18 at 13:26

for every field i need to make separate method to validate it. I am validating all fields in single method. How do I escape that single field which is invisible.

– Shruti B
Nov 15 '18 at 13:47

No, it's a basic, you need to apply your own logic or maintain a boolean value, don't expect for full code. I just give the key for playing with visibility of the field

– Sniffer
Nov 15 '18 at 13:50

yes, i got it. Applying the same.

– Shruti B
Nov 15 '18 at 14:05

|
show 2 more comments

For that, you need to check the visibility of the field and apply validation among them

For example:

//To check the visibilty of the filed 

if(edittLastName.getVisibility() == View.VISIBLE){

    vaildateField();

}

Validation Function :

private void vaildateField(){

    if(etxLastName.getLength()==0)

        Log.e("Error","Enter last name");

}

edited Nov 15 '18 at 13:37

answered Nov 15 '18 at 13:13

Sniffer

7481822

I want to disable that invisible field dynamically. This is sample code. For this time lastName field is invisible but nexttime maybe another fields will be invisible. So for that i need to validate visible fields only.

– Shruti B
Nov 15 '18 at 13:18

@ShrutiB I update the answer , please check it

– Sniffer
Nov 15 '18 at 13:26

for every field i need to make separate method to validate it. I am validating all fields in single method. How do I escape that single field which is invisible.

– Shruti B
Nov 15 '18 at 13:47

No, it's a basic, you need to apply your own logic or maintain a boolean value, don't expect for full code. I just give the key for playing with visibility of the field

– Sniffer
Nov 15 '18 at 13:50

yes, i got it. Applying the same.

– Shruti B
Nov 15 '18 at 14:05

|
show 2 more comments

For that, you need to check the visibility of the field and apply validation among them

For example:

//To check the visibilty of the filed 

if(edittLastName.getVisibility() == View.VISIBLE){

    vaildateField();

}

Validation Function :

private void vaildateField(){

    if(etxLastName.getLength()==0)

        Log.e("Error","Enter last name");

}

edited Nov 15 '18 at 13:37

answered Nov 15 '18 at 13:13

Sniffer

7481822

For that, you need to check the visibility of the field and apply validation among them

For example:

//To check the visibilty of the filed 

if(edittLastName.getVisibility() == View.VISIBLE){

    vaildateField();

}

Validation Function :

private void vaildateField(){

    if(etxLastName.getLength()==0)

        Log.e("Error","Enter last name");

}

edited Nov 15 '18 at 13:37

answered Nov 15 '18 at 13:13

Sniffer

7481822

edited Nov 15 '18 at 13:37

answered Nov 15 '18 at 13:13

Sniffer

7481822

answered Nov 15 '18 at 13:13

Sniffer

7481822

answered Nov 15 '18 at 13:13

Sniffer

7481822

I want to disable that invisible field dynamically. This is sample code. For this time lastName field is invisible but nexttime maybe another fields will be invisible. So for that i need to validate visible fields only.

– Shruti B
Nov 15 '18 at 13:18

@ShrutiB I update the answer , please check it

– Sniffer
Nov 15 '18 at 13:26

for every field i need to make separate method to validate it. I am validating all fields in single method. How do I escape that single field which is invisible.

– Shruti B
Nov 15 '18 at 13:47

No, it's a basic, you need to apply your own logic or maintain a boolean value, don't expect for full code. I just give the key for playing with visibility of the field

– Sniffer
Nov 15 '18 at 13:50

yes, i got it. Applying the same.

– Shruti B
Nov 15 '18 at 14:05

|
show 2 more comments

I want to disable that invisible field dynamically. This is sample code. For this time lastName field is invisible but nexttime maybe another fields will be invisible. So for that i need to validate visible fields only.

– Shruti B
Nov 15 '18 at 13:18

@ShrutiB I update the answer , please check it

– Sniffer
Nov 15 '18 at 13:26

for every field i need to make separate method to validate it. I am validating all fields in single method. How do I escape that single field which is invisible.

– Shruti B
Nov 15 '18 at 13:47

No, it's a basic, you need to apply your own logic or maintain a boolean value, don't expect for full code. I just give the key for playing with visibility of the field

– Sniffer
Nov 15 '18 at 13:50

yes, i got it. Applying the same.

– Shruti B
Nov 15 '18 at 14:05

I want to disable that invisible field dynamically. This is sample code. For this time lastName field is invisible but nexttime maybe another fields will be invisible. So for that i need to validate visible fields only.

– Shruti B
Nov 15 '18 at 13:18

@ShrutiB I update the answer , please check it

– Sniffer
Nov 15 '18 at 13:26

for every field i need to make separate method to validate it. I am validating all fields in single method. How do I escape that single field which is invisible.

– Shruti B
Nov 15 '18 at 13:47

No, it's a basic, you need to apply your own logic or maintain a boolean value, don't expect for full code. I just give the key for playing with visibility of the field

– Sniffer
Nov 15 '18 at 13:50

yes, i got it. Applying the same.

– Shruti B
Nov 15 '18 at 14:05

|
show 2 more comments

Add boolean value

boolean isneedValidation=false;



        else if (isneedValidation &&ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

                return "Please Enter Your Email ID";

            }

if isneedValidation is true condition will check otherwise it will skip
whenever you want to change the Edittext to visible at the time change the boolean value

answered Nov 15 '18 at 13:25

veerendran

364

no need to take boolean isneedValidation=false; working by putting this code if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) { return "Please Enter Your First Name"; }

– Shruti B
Nov 15 '18 at 14:18

add a comment |

Add boolean value

boolean isneedValidation=false;



        else if (isneedValidation &&ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

                return "Please Enter Your Email ID";

            }

if isneedValidation is true condition will check otherwise it will skip
whenever you want to change the Edittext to visible at the time change the boolean value

answered Nov 15 '18 at 13:25

veerendran

364

no need to take boolean isneedValidation=false; working by putting this code if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) { return "Please Enter Your First Name"; }

– Shruti B
Nov 15 '18 at 14:18

add a comment |

Add boolean value

boolean isneedValidation=false;



        else if (isneedValidation &&ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

                return "Please Enter Your Email ID";

            }

if isneedValidation is true condition will check otherwise it will skip
whenever you want to change the Edittext to visible at the time change the boolean value

answered Nov 15 '18 at 13:25

veerendran

364

Add boolean value

boolean isneedValidation=false;



        else if (isneedValidation &&ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

                return "Please Enter Your Email ID";

            }

if isneedValidation is true condition will check otherwise it will skip
whenever you want to change the Edittext to visible at the time change the boolean value

answered Nov 15 '18 at 13:25

veerendran

364

answered Nov 15 '18 at 13:25

veerendran

364

answered Nov 15 '18 at 13:25

veerendran

364

answered Nov 15 '18 at 13:25

veerendran

364

no need to take boolean isneedValidation=false; working by putting this code if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) { return "Please Enter Your First Name"; }

– Shruti B
Nov 15 '18 at 14:18

add a comment |

no need to take boolean isneedValidation=false; working by putting this code if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) { return "Please Enter Your First Name"; }

– Shruti B
Nov 15 '18 at 14:18

no need to take boolean isneedValidation=false; working by putting this code if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) { return "Please Enter Your First Name"; }

– Shruti B
Nov 15 '18 at 14:18

add a comment |

This is the certain answer of your question.

private String validate() {

        if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (firstName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (lastName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (lastName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (selDoc.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (reference.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (reference.getVisibility() == View.VISIBLE && !Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

answered Nov 15 '18 at 14:06

Murat Guc

22227

This answer is also what @user:5978440 tried to explain you.

– Murat Guc
Nov 15 '18 at 14:09

Thank you for your help. I have done with the same technique. It's working fine

– Shruti B
Nov 15 '18 at 14:23

add a comment |

This is the certain answer of your question.

private String validate() {

        if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (firstName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (lastName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (lastName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (selDoc.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (reference.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (reference.getVisibility() == View.VISIBLE && !Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

answered Nov 15 '18 at 14:06

Murat Guc

22227

This answer is also what @user:5978440 tried to explain you.

– Murat Guc
Nov 15 '18 at 14:09

Thank you for your help. I have done with the same technique. It's working fine

– Shruti B
Nov 15 '18 at 14:23

add a comment |

This is the certain answer of your question.

private String validate() {

        if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (firstName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (lastName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (lastName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (selDoc.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (reference.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (reference.getVisibility() == View.VISIBLE && !Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

answered Nov 15 '18 at 14:06

Murat Guc

22227

This is the certain answer of your question.

private String validate() {

        if (firstName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(firstName).toString().isEmpty()) {

            return "Please Enter Your First Name";

        }

        else if (firstName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(firstName))) {

            return "Please Enter Valid First Name";

        }

        else if (lastName.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(lastName).toString().isEmpty()) {

            return "Please Enter Your Last Name";

        }

        else  if (lastName.getVisibility() == View.VISIBLE && !Validator.isValidName(ComponentUtils.getInputStringFromView(lastName))) {

            return "Please Enter Valid Last Name";

        }

        else if (selDoc.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(selDoc).toString().isEmpty()) {

            return "Please Select Doctor";

        }

        else if (reference.getVisibility() == View.VISIBLE && ComponentUtils.getInputStringFromView(reference).toString().isEmpty()) {

            return "Please Enter Reference Name";

        }

        else if (reference.getVisibility() == View.VISIBLE && !Validator.isValidReferenceName(ComponentUtils.getInputStringFromView(reference))) {

            return "Please Enter Valid Reference Name";

        }



        else {

            return "";

        }

    }

answered Nov 15 '18 at 14:06

Murat Guc

22227

answered Nov 15 '18 at 14:06

Murat Guc

22227

answered Nov 15 '18 at 14:06

Murat Guc

22227

answered Nov 15 '18 at 14:06

Murat Guc

22227

This answer is also what @user:5978440 tried to explain you.

– Murat Guc
Nov 15 '18 at 14:09

Thank you for your help. I have done with the same technique. It's working fine

– Shruti B
Nov 15 '18 at 14:23

add a comment |

This answer is also what @user:5978440 tried to explain you.

– Murat Guc
Nov 15 '18 at 14:09

Thank you for your help. I have done with the same technique. It's working fine

– Shruti B
Nov 15 '18 at 14:23

This answer is also what @user:5978440 tried to explain you.

– Murat Guc
Nov 15 '18 at 14:09

Thank you for your help. I have done with the same technique. It's working fine

– Shruti B
Nov 15 '18 at 14:23

add a comment |

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