Question

i have two layouts vertically , first one has edittext and button, second one has two listvies ,
the first one doesn’t appear, and i got an exception when running the application

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

    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <EditText
            android:id="@+id/etRestaurantSearchName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:hint="Enter name"
            android:inputType="text"
            android:textSize="15dip" />

        <Button
            android:id="@+id/bRestaurantSearchButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="Search" />
    </LinearLayout>

    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <ListView
            android:id="@+id/lvRestaurants"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#ffffff"
            android:fillViewport="true" >
        </ListView>

        <ListView
            android:id="@+id/lvAlphabets"
            android:layout_width="40dp"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:background="@drawable/foods_alphabets_bg"
            android:orientation="vertical" >
        </ListView>

    </LinearLayout>

</RelativeLayout>

i ma sure it is something about hiegh , width or weight,

Answer 1

You have used RelativeLayout as the parent layout for the inner two layouts. Therefore the second inner Linear Layout overlaps the first one , thus first one cant be seen. Make use of linear layout as parent layout