how to avoid clear focus on editText from checkbox?

I have check box,with edit_texts of child expandable list_view in parent layout. then my doubt is after entering the mobile number in edit_text field , then if i want remove check box ,mobile number edit text field automatically cleared, how to avoid this issue? please give me any solution.

this is screen_shot of entering mobile in edit_text field

enter image description here

this is screen_shot of Un_click Check_box then mobile number cleared,how to avoid this issue?

enter image description here

this is payment activity

 checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
            InputMethodManager im = (InputMethodManager) getApplicationContext().getSystemService(Context.INPUT_METHOD_SERVICE);
            im.hideSoftInputFromWindow(getWindow().getDecorView().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);

            if(isChecked){
                //doChange(mobileNumber);
                total_amount = Integer.parseInt(strAmount);

                int k = (total_amount * 10/100); //10% amount.

                if(str_cash == null){
                    checkBox.setChecked(false);
                    bargaincry_Cash.setText("0");
                    textView.setText(DbUtils.get(Payment_Activity.this).getTotalOfColumns(List_Deal_Data.class, "discountedPrice", null) + "");
                    Toast.makeText(Payment_Activity.this,"please update your bargaincrycash",Toast.LENGTH_SHORT).show();
                }else{
                    bcash = Integer.parseInt(str_cash);
                    if (k > Integer.parseInt(str_cash)) {
                        checkBox.setChecked(false);
                        //bargaincry_Cash.setText("0");
                        textView.setText(DbUtils.get(Payment_Activity.this).getTotalOfColumns(List_Deal_Data.class, "discountedPrice", null) + "");
                        Toast.makeText(Payment_Activity.this, "your bargaincrycash is lessthan to discount price", Toast.LENGTH_SHORT).show();
                    } else {
                        real_amount = total_amount - k; // after percentage then get the real amount from total_amount subtrack with k.

                        strCash_realamount = bcash - k;

                        textView.setText(String.valueOf(real_amount));

                        bargaincry_Cash.setText(String.valueOf(strCash_realamount));

                        expandablePayListAdapter.UpdateMyText(textView.getText().toString());

                        totalAmount.setText("(you can only use max."+real_amount+" UGX Bargaincry Cash in this transaction.)");
                    }
                }
            }else {
                bargaincry_Cash.setText(str_cash);

                expandablePayListAdapter.UpdateMyText(strAmount);
                textView.setText(strAmount);
                //editor.putString("c_amount",strAmount);
                expandablePayListAdapter.notifyDataSetChanged();

                totalAmount.setText("(you can only use max."+strAmount+" UGX Bargaincry Cash in this transaction.)");
                InputMethodManager inputManager = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
                inputManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(),InputMethodManager.HIDE_NOT_ALWAYS);
                //Toast.makeText(Payment_Activity.this,"un_checked "+ total_amount,Toast.LENGTH_SHORT).show();
                //doChange(mobileNumber);
            }
            expandablePayListAdapter.notifyDataSetChanged();
        }
    });

this is payment activity layout

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:scrollbars="none">
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="10dp"
    android:id="@+id/linearLayout"
    android:gravity="center_horizontal">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Total Amount :"
        android:textColor="#9e1828"
        android:id="@+id/totalAmount"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="UGX"
        android:layout_marginLeft="2dp"
        android:textColor="#df001a"/>
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="30"
    android:textColor="#df001a"
    android:layout_marginLeft="2dp"
    android:id="@+id/price_total"
    android:gravity="center_horizontal"
    android:layout_toRightOf="@+id/totalAmount"/>
</LinearLayout>

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/text_LinearL"
    android:layout_marginTop="5dp"
    android:gravity="center_horizontal"
    android:layout_below="@+id/linearLayout"
    android:orientation="horizontal">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Your Bargaincry Cash Balance:"
        android:textColor="#123"
        android:layout_marginLeft="2dp"
        android:textSize="15dp"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="3dp"
        android:id="@+id/bargainCryCash"
        android:textColor="@color/colorPrimary"
        android:text="0"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="2dp"
        android:text="UGX"
        android:textColor="@color/colorPrimary"/>
</LinearLayout>
<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/check_ll"
    android:scrollbars="none"
    android:gravity="center_horizontal"
    android:layout_below="@+id/text_LinearL">
    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/check_box"
        android:scrollbars="none"
        android:text="Use by BargainCry Cash"/>
</RelativeLayout>
<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_below="@+id/check_ll"
    android:id="@+id/textLL"
    android:gravity="center_horizontal"
    android:orientation="horizontal">
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:id="@+id/pricetotal" />
</RelativeLayout>
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginTop="25dp"
    android:scrollbars="none"
    android:background="@color/White"
    android:layout_below="@+id/textLL">
    <ExpandableListView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:fitsSystemWindows="true"
        android:scrollbars="none"
        android:id="@+id/payment_list"/>
</LinearLayout>
</RelativeLayout>

this is expandablepay_listadapter

 button.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    final ProgressBar progressBar = (ProgressBar)finalConvertView.findViewById(R.id.button_pbar);
                    airtel_number = (EditText) finalConvertView.findViewById(R.id.enterMobile);
                    mobileNum = airtel_number.getText().toString();

                    if (TextUtils.isEmpty(mobileNum)) {
                        Toast.makeText(_context, "please enter mobile number", Toast.LENGTH_SHORT).show();
                    } else {
                        Intent intent = ((Activity) _context).getIntent();
                        String deal_IDs = intent.getStringExtra("dealIds");
                        final String user_id = intent.getStringExtra("user_id");
                        int order_Id = intent.getIntExtra("orderId",0);

                        RequestParams params = new RequestParams();
                        params.put("airtel_number", mobileNum);
                        params.put("dealIDS", deal_IDs);
                        params.put("userID", user_id);
                        params.put("amount", mystr_amount);
                        params.put("payment_type", "1");
                        params.put("orderId", order_Id);
                        params.put("bargaincry_cash","yes");

                        Toast.makeText(_context, "\ndealsss "+deal_IDs
                                +"\n amnt"+mystr_amount
                                +"\n dealid's "+deal_IDs
                                +"\n orderid "+order_Id
                                +"\n mobileNum "+mobileNum
                                +"\n m_num "+mobileNum,Toast.LENGTH_SHORT).show();

                        progressBar.setVisibility(View.VISIBLE);
                        finalButton1.setVisibility(View.GONE);
                        RestClient.get(_context).diskCacheEnable(true).new NetworkTask<Void, SendManualPayment_Response>(SendManualPayment_Response.class, Http.FORM_DATA) {
                            @Override
                            protected void onPostExecute(SendManualPayment_Response sendManualPayment_response) {
                                super.onPostExecute(sendManualPayment_response);
                                progressBar.setVisibility(View.GONE);
                                finalButton1.setVisibility(View.VISIBLE);
                                if (sendManualPayment_response != null && sendManualPayment_response.status != null && sendManualPayment_response.status.contains("done")) {
                                    if(sendManualPayment_response.getManualPayment().getUserID() != null){
                                        String user_ID = sendManualPayment_response.getManualPayment().getUserID();
                                        amount_ = sendManualPayment_response.getManualPayment().getAmount();
                                        String order_ID = sendManualPayment_response.getManualPayment().getOrder_id();
                                        deal_ID = sendManualPayment_response.getManualPayment().getDealIDS();
                                    }
                                    DisplayDialog();
                                } else {
                                    failedDialog();
                                }
                            }

                        }.execute("http://ift.tt/2vkQdwe", params.toString());

                    }
                }
            });

this is expandablepay_listadapter layout

  <TabHost
    android:id="@+id/tabHost_airtelPayemtn"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
        <TabWidget
            android:id="@android:id/tabs"
            android:layout_width="match_parent"
            android:background="@drawable/paylist_group_shape"
            android:layout_height="wrap_content"></TabWidget>

        <FrameLayout
            android:id="@android:id/tabcontent"
            android:layout_width="match_parent"
            android:scrollbars="none"
            android:layout_height="match_parent">
            <!--android:background="#ffc916"-->
            <LinearLayout
                android:id="@+id/tab1"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="vertical">

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:id="@+id/tab_one"
                    android:textColor="#2f50e1"
                    android:text="This is tab 1" />

            </LinearLayout>
            <!--android:background="#da8200"-->
            <LinearLayout
                android:id="@+id/tab2"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="vertical">
                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:id="@+id/tab_two"
                    android:textColor="#2f50e1"
                    android:text="This is tab 2" />
            </LinearLayout>
        </FrameLayout>
    </LinearLayout>
</TabHost>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_below="@id/tabHost_airtelPayemtn"
        android:id="@+id/mobile_ll"
        android:focusable="false"
        android:inputType="phone"
        android:scrollbars="none"
        android:descendantFocusability="beforeDescendants"
        android:focusableInTouchMode="true"
        android:layout_height="wrap_content">
        <android.support.design.widget.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:focusable="true"
            android:focusableInTouchMode="true">
            <EditText
                android:id="@+id/enterMobile"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Enter Mobile Number"
                android:inputType="phone"
                android:imeOptions="actionPrevious"
                android:singleLine="true"
                android:ems="10"
                android:maxLength="10"
                android:maxLines="1"/>
        </android.support.design.widget.TextInputLayout>
    </RelativeLayout>

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/airtel_amount_ll"
    android:scrollbars="none"
    android:descendantFocusability="beforeDescendants"
    android:focusableInTouchMode="true"
    android:layout_below="@+id/mobile_ll">
    <android.support.design.widget.TextInputLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
       <EditText
           android:layout_width="match_parent"
           android:layout_height="wrap_content"
           android:imeOptions="actionNext"
           android:inputType="textAutoComplete"
           android:focusableInTouchMode="false"
           android:focusable="false"
           android:hint="amount"
           android:scrollbars="none"
           android:nextFocusUp="@+id/airtel_amount"
           android:layout_below="@+id/mobile_ll"
           android:nextFocusLeft="@+id/airtel_amount"
           android:windowSoftInputMode="stateUnchanged"
           android:id="@+id/airtel_amount" />
    </android.support.design.widget.TextInputLayout>
</RelativeLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:gravity="center"
        android:layout_below="@+id/airtel_amount_ll"
        android:orientation="horizontal">
        <ProgressBar
            android:id="@+id/button_pbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:foregroundGravity="center_horizontal"
            android:layout_centerInParent="true"
            android:visibility="gone" />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/amount"
        android:text="Pay Now"
        android:background="@drawable/login_button_selector"
        android:textColor="#ffffff"
        style="@style/AppTheme"
        android:id="@+id/payNow" />
    </LinearLayout>