Overlap the layout in the android ExpandableListView - expandablelistview

Question

In the following template , at the above New vhd text,
overlap the row , I want to fix this problem .I tried to change the height of the Main File but no used.I just increase the text Size 14 to 15 PX in the all template ,size increased in main template programmatically, this problem occur. I attached my code with the question also see the commented section in XML file.Please suggest me solution if any.I am new to android .Not familiar with the android.I also attached the image below.Thank you.
//Main file
<?xml version="1.0" encoding="UTF-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" //Changed the height but not work
android:background="#ffffff">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="35dp"
android:orientation="vertical"
android:background="#color/green">
<TextView
android:id="#+id/queue_header"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textColor="#color/white"
android:text="Inbox"
android:textStyle="bold"
android:gravity="center_vertical"
android:layout_marginLeft="10dp" />
</LinearLayout>
<ExpandableListView android:id="#+id/que_list"
android:layout_width="fill_parent"
android:layout_height="wrap_content" //changed as fill_parent but not worked
android:groupIndicator="#drawable/settings_selector"/>
</LinearLayout>
//Second File
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"> //changed as fill_parent but not worked
<TextView android:id="#+id/groupname"
android:paddingLeft="50px"
android:paddingTop="10px"//changed as 15px not worked
android:paddingBottom="10px"//changed as 15px not worked
android:textSize="15px"
android:textColor="#0b730b"
android:layout_width="250px"
android:layout_height="wrap_content"/>//changed as fill_parent but not worked
</LinearLayout>
//Third file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content">//changed as fill_parent but not worked
<ImageView
android:id="#+id/imageView1"
android:paddingLeft="40px"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:src="#drawable/green" />
<TextView android:id="#+id/childname"
android:paddingLeft="20px"
android:paddingTop="10px"
android:paddingBottom="10px"
android:textSize="15px"
android:textColor="#0b730b"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<TextView android:id="#+id/child_id"
android:visibility="gone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<TextView android:id="#+id/dept_id"
android:visibility="gone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<TextView android:id="#+id/rgb"
android:textSize="16px"
android:layout_marginLeft="10px"
android:textColor="#0b730b"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>