XML

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

    <TextView
        android:id="@+id/txt_message_me_time"
        android:layout_height="25dp"
        android:layout_marginTop="3dp"
        style="@style/textView_chat_me"/>

    <TextView
        android:id="@+id/txt_message_me_from"
        android:layout_height="35dp"
        android:layout_below="@+id/txt_message_me_time"
        style="@style/textView_chat_me"/>

    <TextView
        android:id="@+id/txt_message_me_message"
        android:layout_below="@+id/txt_message_me_from"
        android:layout_height="50dp"
        android:layout_marginBottom="3dp"
        style="@style/textView_chat_me"/>

</RelativeLayout>

File row_chat_other.xml

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

    <TextView
        android:id="@+id/txt_message_others_time"
        android:layout_height="25dp"
        style="@style/textView_chat_others"
        android:layout_marginTop="3dp" />

    <TextView
        android:id="@+id/txt_message_others_from"
        android:layout_height="35dp"
        android:layout_below="@+id/txt_message_others_time"
        style="@style/textView_chat_others" />

    <TextView
        android:id="@+id/txt_message_others_message"
        android:layout_height="50dp"
        style="@style/textView_chat_others"
        android:layout_marginBottom="3dp"
        android:layout_below="@+id/txt_message_others_from" />

</RelativeLayout>

File fragment_group.xml

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

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight=".25"
        android:orientation="horizontal"
        android:id="@+id/listView_regNewGroup" >

        <EditText
            android:id="@+id/txt_group_name"
            android:layout_width="0dp"
            android:layout_weight=".75"
            android:layout_height="match_parent"
            android:background="#CBCBB2"
            android:hint="grupp name" />

        <Button
            android:id="@+id/btn_reg_new_group"
            android:layout_width="0dp"
            android:layout_weight=".25"
            android:layout_height="match_parent"
            android:text="Create new group"
            android:textSize ="15sp"
            android:background="#D7C5E0"
            android:layout_toRightOf="@+id/txt_group_name" />

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight=".75"
        android:layout_below="@+id/listView_regNewGroup" >

        <ListView
            android:id="@+id/listView_group"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

    </LinearLayout>

</RelativeLayout>