How to get data from dynamically created Views android

Aman Gupta

22 May 2023

In this blog,
I will show, how to create the dynamic views and get the data accordingly.

In this example, I am creating some UI elements on the screen at run time. Creating text view, RadioGroup, CheckBox and Spinner dynamically by dummy JSON data and creating the on click listener for button. After clicking on the button I will get the data from each created views and show it.

How to Implement

In this example, I have dynamically created four Types of Views

1	String viewTypes[] = {"R", "S", "C", "T"};

R stands RadioGroup
S stands Spinner
C stands Checkbox
T stands TextView

In this example, I have created above view by dummy JSON Data.

I am using option_name as a Heading

JSONObject eachData = customOptnList.getJSONObject(noOfCustomOpt);

customOptionsName.setText(eachData.getString("option_name"));

viewProductLayout.addView(customOptionsName);

and variant_name as a sub data

if (eachData.getString("option_type").equals("S")) {

final JSONArray dropDownJSONOpt = eachData.getJSONArray("variants");
                    ArrayList<String> SpinnerOptions = new ArrayList<String>();
                    for (int j = 0; j < dropDownJSONOpt.length(); j++) {
                        String optionString = dropDownJSONOpt.getJSONObject(j).getString("variant_name");
                        SpinnerOptions.add(optionString);
                    }

ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(MainActivity.this, R.layout.spiner_row, SpinnerOptions);
                    Spinner spinner = new Spinner(MainActivity.this);
                    allViewInstance.add(spinner);
                    spinner.setAdapter(spinnerArrayAdapter);
                    spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
                        @Override
                        public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
                            try {
                                String variant_name = dropDownJSONOpt.getJSONObject(position).getString("variant_name");
                                Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();
                            } catch (JSONException e) {
                                e.printStackTrace();
                            }
                        }

@Override
                        public void onNothingSelected(AdapterView<?> parentView) {
                        }

});
                    viewProductLayout.addView(spinner);
                }

if (eachData.getString("option_type").equals("S")) {

final JSONArray dropDownJSONOpt = eachData.getJSONArray("variants");

ArrayList<String> SpinnerOptions = new ArrayList<String>();

for (int j = 0; j < dropDownJSONOpt.length(); j++) {

String optionString = dropDownJSONOpt.getJSONObject(j).getString("variant_name");

SpinnerOptions.add(optionString);

}

ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(MainActivity.this, R.layout.spiner_row, SpinnerOptions);

Spinner spinner = new Spinner(MainActivity.this);

allViewInstance.add(spinner);

spinner.setAdapter(spinnerArrayAdapter);

spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

@Override

public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {

try {

String variant_name = dropDownJSONOpt.getJSONObject(position).getString("variant_name");

Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();

} catch (JSONException e) {

e.printStackTrace();

}

@Override

public void onNothingSelected(AdapterView<?> parentView) {

}

});

viewProductLayout.addView(spinner);

}

option_type specifies the Type of the Views which is gotten from the JSON dummy data.

And I have used an ArrayList for storing the instance of the views.

1	List<View> allViewInstance = new ArrayList<View>();

and store the current view

1	allViewInstance.add(rg);

For getting the data

After the views have created, We have to get the data which is selected in the views.

Then first we have to get the instance of current view

1	Spinner spinner = (Spinner) allViewInstance.get(noOfViews);

and then by below code you can get the data from spinner

if (eachData.getString("option_type").equals("S")) {

Spinner spinner = (Spinner) allViewInstance.get(noOfViews);

JSONArray dropDownJSONOpt = eachData.getJSONArray("variants");

String variant_name = dropDownJSONOpt.getJSONObject(spinner.getSelectedItemPosition()).getString("variant_name");

Log.d("variant_name", variant_name + "");

optionsObj.put(eachData.getString("option_name"),

"" + variant_name);

}

Here I get the variant name of the spinner view but we can get anything which we want to get from views.

Screen-Shots:

Get the Complete Source Code

MainActivity.java

package testapplication.webkul.amangupta.myapplicationtest2;

import android.graphics.Color;
import android.os.Bundle;
import android.support.design.widget.TextInputLayout;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

//    R stands RadioGroup
//    S stands Spinner
//    C stands Checkbox
//    T stands TextView

//    String viewTypes[] = {"R", "S", "C", "T"};
    List<View> allViewInstance = new ArrayList<View>();
    JSONObject jsonObject = new JSONObject();
    private JSONObject optionsObj;

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

LinearLayout viewProductLayout = (LinearLayout) findViewById(R.id.customOptionLL);

try {
            jsonObject = new JSONObject(DummyData.dummyData);
            JSONArray customOptnList = jsonObject.getJSONArray("product_options");

for (int noOfCustomOpt = 0; noOfCustomOpt < customOptnList.length(); noOfCustomOpt++) {

JSONObject eachData = customOptnList.getJSONObject(noOfCustomOpt);
                TextView customOptionsName = new TextView(MainActivity.this);
                customOptionsName.setTextSize(18);
                customOptionsName.setPadding(0, 15, 0, 15);
                customOptionsName.setText(eachData.getString("option_name"));
                viewProductLayout.addView(customOptionsName);

if (eachData.getString("option_type").equals("S")) {

ArrayAdapter<String> spinnerArrayAdapter = null;
                    spinnerArrayAdapter = new ArrayAdapter<String>(MainActivity.this, R.layout.spiner_row, SpinnerOptions);
                    Spinner spinner = new Spinner(MainActivity.this);
                    allViewInstance.add(spinner);
                    spinner.setAdapter(spinnerArrayAdapter);
                    spinner.setSelection(0, false);
                    spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
                        @Override
                        public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
                            try {
                                String variant_name = dropDownJSONOpt.getJSONObject(position).getString("variant_name");
                                Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();
                            } catch (JSONException e) {
                                e.printStackTrace();
                            }
                        }

@Override
                        public void onNothingSelected(AdapterView<?> parentView) {
                        }

});
                    viewProductLayout.addView(spinner);
                }

//                    /***************************Radio*****************************************************/

if (eachData.getString("option_type").equals("R")) {
                    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
                    params.topMargin = 3;
                    params.bottomMargin = 3;

final JSONArray radioButtonJSONOpt = eachData.getJSONArray("variants");
                    RadioGroup rg = new RadioGroup(MainActivity.this); //create the RadioGroup
                    allViewInstance.add(rg);
                    for (int j = 0; j < radioButtonJSONOpt.length(); j++) {

RadioButton rb = new RadioButton(MainActivity.this);
                        rg.addView(rb, params);
                        if (j == 0)
                            rb.setChecked(true);
                        rb.setLayoutParams(params);
                        rb.setTag(radioButtonJSONOpt.getJSONObject(j).getString("variant_name"));
                        rb.setBackgroundColor(Color.parseColor("#FFFFFF"));
                        String optionString = radioButtonJSONOpt.getJSONObject(j).getString("variant_name");
                        rb.setText(optionString);
                        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {

@Override
                            public void onCheckedChanged(RadioGroup group, int checkedId) {

View radioButton = group.findViewById(checkedId);
                                String variant_name = radioButton.getTag().toString();
                                Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();
                            }
                        });

}
                    viewProductLayout.addView(rg, params);
                }

//                    /***********************************CheckBox ***********************************************/

if (eachData.getString("option_type").equals("C")) {

JSONArray checkBoxJSONOpt = eachData.getJSONArray("variants");

for (int j = 0; j < checkBoxJSONOpt.length(); j++) {

if (!(checkBoxJSONOpt.getJSONObject(j).getString("variant_name").equalsIgnoreCase("NO"))) {
                            CheckBox chk = new CheckBox(MainActivity.this);
                            chk.setBackgroundColor(Color.parseColor("#FFFFFF"));
                            allViewInstance.add(chk);
                            chk.setTag(checkBoxJSONOpt.getJSONObject(j).getString("variant_name"));
                            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
                            params.topMargin = 3;
                            params.bottomMargin = 3;
                            String optionString = checkBoxJSONOpt.getJSONObject(j).getString("variant_name");
                            chk.setOnClickListener(new View.OnClickListener() {

@Override
                                public void onClick(View v) {
                                    String variant_name = v.getTag().toString();
                                    Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();
                                }
                            });
                            chk.setText(optionString);
                            viewProductLayout.addView(chk, params);
                        }
                    }
                }
                if (eachData.getString("option_type").equals("T")) {
                    TextInputLayout til = new TextInputLayout(MainActivity.this);
                    til.setHint(getString(R.string.hint));
                    EditText et = new EditText(MainActivity.this);
                    til.addView(et);
                    allViewInstance.add(et);
                    viewProductLayout.addView(til);
                }
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

public void getDataFromDynamicViews(View v) {
        try {
            JSONArray customOptnList = jsonObject.getJSONArray("product_options");
            optionsObj = new JSONObject();
            for (int noOfViews = 0; noOfViews < customOptnList.length(); noOfViews++) {
                JSONObject eachData = customOptnList.getJSONObject(noOfViews);

if (eachData.getString("option_type").equals("S")) {
                    Spinner spinner = (Spinner) allViewInstance.get(noOfViews);

JSONArray dropDownJSONOpt = eachData.getJSONArray("variants");
                    String variant_name = dropDownJSONOpt.getJSONObject(spinner.getSelectedItemPosition()).getString("variant_name");
                    Log.d("variant_name", variant_name + "");
                    optionsObj.put(eachData.getString("option_name"),
                            "" + variant_name);
                }

if (eachData.getString("option_type").equals("R")) {
                    RadioGroup radioGroup = (RadioGroup) allViewInstance.get(noOfViews);
                    RadioButton selectedRadioBtn = (RadioButton) findViewById(radioGroup.getCheckedRadioButtonId());
                    Log.d("variant_name", selectedRadioBtn.getTag().toString() + "");
                    optionsObj.put(eachData.getString("option_name"),
                            "" + selectedRadioBtn.getTag().toString());
                }

if (eachData.getString("option_type").equals("C")) {
                    CheckBox tempChkBox = (CheckBox) allViewInstance.get(noOfViews);
                    if (tempChkBox.isChecked()) {
                        optionsObj.put(eachData.getString("option_name"), tempChkBox.getTag().toString());
                    }
                    Log.d("variant_name", tempChkBox.getTag().toString() + "");
                }
                if (eachData.getString("option_type").equals("T")) {
                    TextView textView = (TextView) allViewInstance.get(noOfViews);
                    if (!textView.getText().toString().equalsIgnoreCase(""))
                        optionsObj.put(eachData.getString("option_name"), textView.getText().toString());
                    else
                        optionsObj.put(eachData.getString("option_name"), textView.getText().toString());
                    Log.d("variant_name", textView.getText().toString() + "");
                }
            }

String outputData = (optionsObj + "").replace(",", "\n");
            outputData = outputData.replaceAll("[{}]","");
            ((TextView) findViewById(R.id.showData)).setText(outputData);
            Log.d("optionsObj", optionsObj + "");
            hideSoftKeyboard(findViewById(R.id.layout));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

public void hideSoftKeyboard(View v) {
        if (getCurrentFocus() != null) {
            InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
            inputMethodManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0);
        }
    }

}

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package testapplication.webkul.amangupta.myapplicationtest2;

import android.graphics.Color;

import android.os.Bundle;

import android.support.design.widget.TextInputLayout;

import android.support.v7.app.AppCompatActivity;

import android.util.Log;

import android.view.View;

import android.view.ViewGroup;

import android.view.inputmethod.InputMethodManager;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.CheckBox;

import android.widget.EditText;

import android.widget.LinearLayout;

import android.widget.RadioButton;

import android.widget.RadioGroup;

import android.widget.Spinner;

import android.widget.TextView;

import android.widget.Toast;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import java.util.ArrayList;

import java.util.List;

public class MainActivity extends AppCompatActivity {

// R stands RadioGroup

// S stands Spinner

// C stands Checkbox

// T stands TextView

// String viewTypes[] = {"R", "S", "C", "T"};

List<View> allViewInstance = new ArrayList<View>();

JSONObject jsonObject = new JSONObject();

private JSONObject optionsObj;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

LinearLayout viewProductLayout = (LinearLayout) findViewById(R.id.customOptionLL);

try {

jsonObject = new JSONObject(DummyData.dummyData);

JSONArray customOptnList = jsonObject.getJSONArray("product_options");

for (int noOfCustomOpt = 0; noOfCustomOpt < customOptnList.length(); noOfCustomOpt++) {

JSONObject eachData = customOptnList.getJSONObject(noOfCustomOpt);

TextView customOptionsName = new TextView(MainActivity.this);

customOptionsName.setTextSize(18);

customOptionsName.setPadding(0, 15, 0, 15);

customOptionsName.setText(eachData.getString("option_name"));

viewProductLayout.addView(customOptionsName);

if (eachData.getString("option_type").equals("S")) {

final JSONArray dropDownJSONOpt = eachData.getJSONArray("variants");

ArrayList<String> SpinnerOptions = new ArrayList<String>();

for (int j = 0; j < dropDownJSONOpt.length(); j++) {

String optionString = dropDownJSONOpt.getJSONObject(j).getString("variant_name");

SpinnerOptions.add(optionString);

}

ArrayAdapter<String> spinnerArrayAdapter = null;

spinnerArrayAdapter = new ArrayAdapter<String>(MainActivity.this, R.layout.spiner_row, SpinnerOptions);

Spinner spinner = new Spinner(MainActivity.this);

allViewInstance.add(spinner);

spinner.setAdapter(spinnerArrayAdapter);

spinner.setSelection(0, false);

spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

@Override

public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {

try {

String variant_name = dropDownJSONOpt.getJSONObject(position).getString("variant_name");

Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();

} catch (JSONException e) {

e.printStackTrace();

}

@Override

public void onNothingSelected(AdapterView<?> parentView) {

}

});

viewProductLayout.addView(spinner);

}

// /***************************Radio*****************************************************/

if (eachData.getString("option_type").equals("R")) {

LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);

params.topMargin = 3;

params.bottomMargin = 3;

final JSONArray radioButtonJSONOpt = eachData.getJSONArray("variants");

RadioGroup rg = new RadioGroup(MainActivity.this); //create the RadioGroup

allViewInstance.add(rg);

for (int j = 0; j < radioButtonJSONOpt.length(); j++) {

RadioButton rb = new RadioButton(MainActivity.this);

rg.addView(rb, params);

if (j == 0)

rb.setChecked(true);

rb.setLayoutParams(params);

rb.setTag(radioButtonJSONOpt.getJSONObject(j).getString("variant_name"));

rb.setBackgroundColor(Color.parseColor("#FFFFFF"));

String optionString = radioButtonJSONOpt.getJSONObject(j).getString("variant_name");

rb.setText(optionString);

rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {

@Override

public void onCheckedChanged(RadioGroup group, int checkedId) {

View radioButton = group.findViewById(checkedId);

String variant_name = radioButton.getTag().toString();

Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();

}

});

}

viewProductLayout.addView(rg, params);

}

// /***********************************CheckBox ***********************************************/

if (eachData.getString("option_type").equals("C")) {

JSONArray checkBoxJSONOpt = eachData.getJSONArray("variants");

for (int j = 0; j < checkBoxJSONOpt.length(); j++) {

if (!(checkBoxJSONOpt.getJSONObject(j).getString("variant_name").equalsIgnoreCase("NO"))) {

CheckBox chk = new CheckBox(MainActivity.this);

chk.setBackgroundColor(Color.parseColor("#FFFFFF"));

allViewInstance.add(chk);

chk.setTag(checkBoxJSONOpt.getJSONObject(j).getString("variant_name"));

LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);

params.topMargin = 3;

params.bottomMargin = 3;

String optionString = checkBoxJSONOpt.getJSONObject(j).getString("variant_name");

chk.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

String variant_name = v.getTag().toString();

Toast.makeText(getApplicationContext(), variant_name + "", Toast.LENGTH_LONG).show();

}

});

chk.setText(optionString);

viewProductLayout.addView(chk, params);

}

if (eachData.getString("option_type").equals("T")) {

TextInputLayout til = new TextInputLayout(MainActivity.this);

til.setHint(getString(R.string.hint));

EditText et = new EditText(MainActivity.this);

til.addView(et);

allViewInstance.add(et);

viewProductLayout.addView(til);

}

} catch (JSONException e) {

e.printStackTrace();

}

public void getDataFromDynamicViews(View v) {

try {

JSONArray customOptnList = jsonObject.getJSONArray("product_options");

optionsObj = new JSONObject();

for (int noOfViews = 0; noOfViews < customOptnList.length(); noOfViews++) {

JSONObject eachData = customOptnList.getJSONObject(noOfViews);

if (eachData.getString("option_type").equals("S")) {

Spinner spinner = (Spinner) allViewInstance.get(noOfViews);

JSONArray dropDownJSONOpt = eachData.getJSONArray("variants");

String variant_name = dropDownJSONOpt.getJSONObject(spinner.getSelectedItemPosition()).getString("variant_name");

Log.d("variant_name", variant_name + "");

optionsObj.put(eachData.getString("option_name"),

"" + variant_name);

}

if (eachData.getString("option_type").equals("R")) {

RadioGroup radioGroup = (RadioGroup) allViewInstance.get(noOfViews);

RadioButton selectedRadioBtn = (RadioButton) findViewById(radioGroup.getCheckedRadioButtonId());

Log.d("variant_name", selectedRadioBtn.getTag().toString() + "");

optionsObj.put(eachData.getString("option_name"),

"" + selectedRadioBtn.getTag().toString());

}

if (eachData.getString("option_type").equals("C")) {

CheckBox tempChkBox = (CheckBox) allViewInstance.get(noOfViews);

if (tempChkBox.isChecked()) {

optionsObj.put(eachData.getString("option_name"), tempChkBox.getTag().toString());

}

Log.d("variant_name", tempChkBox.getTag().toString() + "");

}

if (eachData.getString("option_type").equals("T")) {

TextView textView = (TextView) allViewInstance.get(noOfViews);

if (!textView.getText().toString().equalsIgnoreCase(""))

optionsObj.put(eachData.getString("option_name"), textView.getText().toString());

else

optionsObj.put(eachData.getString("option_name"), textView.getText().toString());

Log.d("variant_name", textView.getText().toString() + "");

}

String outputData = (optionsObj + "").replace(",", "\n");

outputData = outputData.replaceAll("[{}]","");

((TextView) findViewById(R.id.showData)).setText(outputData);

Log.d("optionsObj", optionsObj + "");

hideSoftKeyboard(findViewById(R.id.layout));

} catch (Exception e) {

e.printStackTrace();

}

public void hideSoftKeyboard(View v) {

if (getCurrentFocus() != null) {

InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);

inputMethodManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0);

}

DummyData.java

package testapplication.webkul.amangupta.myapplicationtest2;

/**
 * Created by aman.gupta on 15/3/16.
 */
public class DummyData {
    static String dummyData = "{\n" +
            "    \"product_options\": [\n" +
            "        {\n" +
            "            \"option_type\": \"R\",\n" +
            "            \"value\": 62,\n" +
            "            \"option_name\": \"Accessories\",\n" +
            "            \"variants\": [\n" +
            "                {\n" +
            "                    \"variant_id\": \"62\",\n" +
            "                    \"position\": \"1\",\n" +
            "                    \"variant_name\": \"Ear-phones\",\n" +
            "                    \"formatmodifier\": \"$30.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"61\",\n" +
            "                    \"position\": \"2\",\n" +
            "                    \"variant_name\": \"Head-phones\",\n" +
            "                    \"formatmodifier\": \"$10.00\"\n" +
            "                }\n" +
            "            ]\n" +
            "        },\n" +
            "        {\n" +
            "            \"option_type\": \"S\",\n" +
            "            \"value\": 55,\n" +
            "            \"option_name\": \"Color\",\n" +
            "            \"variants\": [\n" +
            "                {\n" +
            "                    \"variant_id\": \"55\",\n" +
            "                    \"variant_name\": \"White\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"56\",\n" +
            "                    \"variant_name\": \"Black\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"57\",\n" +
            "                    \"variant_name\": \"Blue\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"58\",\n" +
            "                    \"variant_name\": \"Red\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"59\",\n" +
            "                    \"variant_name\": \"Green\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"60\",\n" +
            "                    \"variant_name\": \"Yellow\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                }\n" +
            "            ]\n" +
            "        },\n" +
            "        {\n" +
            "            \"option_type\": \"C\",\n" +
            "            \"value\": 54,\n" +
            "            \"option_name\": \"3G Connectivity\",\n" +
            "            \"variants\": [\n" +
            "                {\n" +
            "                    \"variant_id\": \"54\",\n" +
            "                    \"variant_name\": \"NO\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"53\",\n" +
            "                    \"variant_name\": \"YES\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$125.00\"\n" +
            "                }\n" +
            "            ]\n" +
            "        },\n" +
            "        {\n" +
            "            \"option_type\": \"S\",\n" +
            "            \"value\": 49,\n" +
            "            \"option_name\": \"Memory capacity\",\n" +
            "            \"variants\": [\n" +
            "                {\n" +
            "                    \"variant_id\": \"49\",\n" +
            "                    \"variant_name\": \"16GB\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$0.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"50\",\n" +
            "                    \"variant_name\": \"32GB\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$100.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"51\",\n" +
            "                    \"variant_name\": \"64GB\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$200.00\"\n" +
            "                },\n" +
            "                {\n" +
            "                    \"variant_id\": \"52\",\n" +
            "                    \"variant_name\": \"128GB\",\n" +
            "                    \"image_pair\": [],\n" +
            "                    \"formatmodifier\": \"$300.00\"\n" +
            "                }\n" +
            "            ]\n" +
            "        },\n" +
            "        {\n" +
            "            \"option_type\": \"T\",\n" +
            "            \"value\": 42,\n" +
            "            \"option_name\": \"Comment\"\n" +
            "        }\n" +
            "    ]\n" +
            "}";
}

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package testapplication.webkul.amangupta.myapplicationtest2;

/**

* Created by aman.gupta on 15/3/16.

public class DummyData {

static String dummyData = "{\n" +

" \"product_options\": [\n" +

" {\n" +

" \"option_type\": \"R\",\n" +

" \"value\": 62,\n" +

" \"option_name\": \"Accessories\",\n" +

" \"variants\": [\n" +

" {\n" +

" \"variant_id\": \"62\",\n" +

" \"position\": \"1\",\n" +

" \"variant_name\": \"Ear-phones\",\n" +

" \"formatmodifier\": \"$30.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"61\",\n" +

" \"position\": \"2\",\n" +

" \"variant_name\": \"Head-phones\",\n" +

" \"formatmodifier\": \"$10.00\"\n" +

" }\n" +

" ]\n" +

" },\n" +

" {\n" +

" \"option_type\": \"S\",\n" +

" \"value\": 55,\n" +

" \"option_name\": \"Color\",\n" +

" \"variants\": [\n" +

" {\n" +

" \"variant_id\": \"55\",\n" +

" \"variant_name\": \"White\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"56\",\n" +

" \"variant_name\": \"Black\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"57\",\n" +

" \"variant_name\": \"Blue\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"58\",\n" +

" \"variant_name\": \"Red\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"59\",\n" +

" \"variant_name\": \"Green\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"60\",\n" +

" \"variant_name\": \"Yellow\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" }\n" +

" ]\n" +

" },\n" +

" {\n" +

" \"option_type\": \"C\",\n" +

" \"value\": 54,\n" +

" \"option_name\": \"3G Connectivity\",\n" +

" \"variants\": [\n" +

" {\n" +

" \"variant_id\": \"54\",\n" +

" \"variant_name\": \"NO\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"53\",\n" +

" \"variant_name\": \"YES\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$125.00\"\n" +

" }\n" +

" ]\n" +

" },\n" +

" {\n" +

" \"option_type\": \"S\",\n" +

" \"value\": 49,\n" +

" \"option_name\": \"Memory capacity\",\n" +

" \"variants\": [\n" +

" {\n" +

" \"variant_id\": \"49\",\n" +

" \"variant_name\": \"16GB\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$0.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"50\",\n" +

" \"variant_name\": \"32GB\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$100.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"51\",\n" +

" \"variant_name\": \"64GB\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$200.00\"\n" +

" },\n" +

" {\n" +

" \"variant_id\": \"52\",\n" +

" \"variant_name\": \"128GB\",\n" +

" \"image_pair\": [],\n" +

" \"formatmodifier\": \"$300.00\"\n" +

" }\n" +

" ]\n" +

" },\n" +

" {\n" +

" \"option_type\": \"T\",\n" +

" \"value\": 42,\n" +

" \"option_name\": \"Comment\"\n" +

" }\n" +

" ]\n" +

"}";

}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
            xmlns:card_view="http://schemas.android.com/apk/res-auto"
            android:id="@+id/customOptionLLOuter"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="2dp"
            android:background="#FFFFFF"
            android:padding="5dp"
            card_view:cardCornerRadius="5dp"
            card_view:cardElevation="5dp"
            card_view:cardUseCompatPadding="true">

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

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">

<RelativeLayout xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/layout"

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=".MainActivity">

<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:card_view="http://schemas.android.com/apk/res-auto"

android:id="@+id/customOptionLLOuter"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginBottom="2dp"

android:background="#FFFFFF"

android:padding="5dp"

card_view:cardCornerRadius="5dp"

card_view:cardElevation="5dp"

card_view:cardUseCompatPadding="true">

<LinearLayout

android:id="@+id/customOptionLL"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:background="#FFFFFF"

android:orientation="vertical"

android:padding="5dp"></LinearLayout>

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

<Button

android:id="@+id/signup"

android:layout_width="160dp"

android:layout_height="wrap_content"

android:layout_below="@+id/customOptionLLOuter"

android:layout_centerHorizontal="true"

android:layout_marginTop="15dp"

android:background="@color/colorPrimaryDark"

android:onClick="getDataFromDynamicViews"

android:padding="10dp"

android:text="Get Data"

android:textColor="#FFFFFF"

android:textStyle="bold" />

<TextView

android:id="@+id/text"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@+id/signup"

android:layout_marginTop="15dp"

android:text="Output:"

android:textAppearance="@style/TextAppearance.AppCompat.Medium" />

<TextView

android:id="@+id/showData"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@+id/text"

android:layout_marginTop="15dp"

android:textAppearance="@style/TextAppearance.AppCompat.Large" />

</RelativeLayout>

</ScrollView>

spiner_row.xml

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

<TextView xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/cust_view"

style="?android:attr/spinnerDropDownItemStyle"

android:singleLine="true"

android:text="Hello"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:paddingTop="15dp"

android:paddingBottom="15dp"

android:gravity="left|center_vertical"/>