xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_fragments"
    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="welder.loginsql.Fragments"
    android:background="#3F51B5"
    android:baselineAligned="false">

    <LinearLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="3"
        android:background="#ffffff"
        android:layout_margin="10dp"
        android:orientation="vertical">
        <ListView
            android:id="@+id/listView1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"></ListView>
    </LinearLayout>

    <LinearLayout
        android:id="@+id/layout_direito"
        android:layout_width="0dp"
        android:background="#ffffff"
        android:layout_weight="7"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:layout_margin="10dp">

        <!--<fragment
            android:layout_width="match_parent"
            android:tag="frag"
            android:layout_height="wrap_content"
            android:name="welder.loginsql.Fragment1"
            android:id="@+id/fragment1" />-->
    </LinearLayout>

</LinearLayout>