Dynamic Controls Creation in Android with validation of Child Views

Previous post with out validation

http://android-pratap.blogspot.in/2014/11/dynamic-controls-creation-in-android.html

DynamicFieldsActivity.java

package com.pratap.allsampleprojects;

import android.animation.LayoutTransition;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

public class DynamicFieldsActivity extends Activity {

 EditText textIn;
 Button buttonAdd;
 LinearLayout container;
 Button buttonShowAll;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.dynamicfields);
  textIn = (EditText) findViewById(R.id.textin);
  buttonAdd = (Button) findViewById(R.id.add);
  container = (LinearLayout) findViewById(R.id.container);

  buttonAdd.setOnClickListener(new OnClickListener() {

   @Override
   public void onClick(View arg0) {

    int val = Integer.parseInt(textIn.getText().toString());

    for (int c = 1; c <= val; c++) {

     LayoutInflater layoutInflater = (LayoutInflater) getBaseContext()
       .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     final View addView = layoutInflater.inflate(
       R.layout.dynamicrow, null);
    
     container.addView(addView, 0);

    }

   }
  });

  LayoutTransition transition = new LayoutTransition();
  container.setLayoutTransition(transition);

  buttonShowAll = (Button) findViewById(R.id.showall);
  buttonShowAll.setOnClickListener(new OnClickListener() {

   @Override
   public void onClick(View arg0) {

    String showallPrompt = "";

    int childCount = container.getChildCount();
    showallPrompt += "childCount: " + childCount + "\n\n";

    for (int c = 0; c < childCount; c++) {
     View childView = container.getChildAt(c);

     final EditText etText = (EditText) (childView
       .findViewById(R.id.etname));

     EditText etAge = (EditText) (childView
       .findViewById(R.id.etAge));

     RadioGroup radioSexGroup = (RadioGroup) childView
       .findViewById(R.id.radioSex);

     int selectedId = radioSexGroup.getCheckedRadioButtonId();

     RadioButton radioSexButton = (RadioButton) childView
       .findViewById(selectedId);

     String name = (String) (etText.getText().toString());

     String age = (String) (etAge.getText().toString());

     String gender = (String) (radioSexButton.getText()
       .toString());

     etText.addTextChangedListener(new TextWatcher() {
      public void afterTextChanged(Editable edt) {
       if (etText.getText().length() > 0) {
        etText.setError(null);
       }
      }

      @Override
      public void beforeTextChanged(CharSequence s,
        int start, int count, int after) {
       // TODO Auto-generated method stub

      }

      @Override
      public void onTextChanged(CharSequence s, int start,
        int before, int count) {
       // TODO Auto-generated method stub

      }
     });

     if (etText.getText().toString().length() == 0) {

      etText.setError("Enter Name");

     } else {

     }

     if (age.equals("")) {

      etAge.setError("Enter age");

     }

     if (gender.equals("")) {

      radioSexButton.setError("Enter Gender");

     }

     String childTextViewText = "";

     childTextViewText += (String) (etText.getText().toString());

     childTextViewText += (String) (etAge.getText().toString());

     childTextViewText += (String) (radioSexButton.getText()
       .toString());

     showallPrompt += c + ": " + childTextViewText + "\n";
    }

    Toast.makeText(DynamicFieldsActivity.this, showallPrompt,
      Toast.LENGTH_LONG).show();
   }
  });
 }
}