android - Linear layout below the ListView, Some portions not visible? -


i have problem linearlayout below listview. tried give listview weight , layout above, set layout_height 0dp nothing wotked.

here xml code:

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:orientation="vertical" android:layout_width="match_parent"     android:layout_height="match_parent">      <linearlayout android:orientation="horizontal"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:weightsum="100"         android:background="#00c4ff">         <textview             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="application № - "             android:layout_weight="50"/>         <textview             android:id="@+id/number"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="__"             android:layout_weight="20" />         <edittext             android:id="@+id/date"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:inputtype="date"             android:hint="dd/mm/yyyy"             android:layout_weight="30"             />         </linearlayout>              <listview                 android:id="@+id/lvmain"                 android:layout_width="match_parent"                 android:layout_height="wrap_content">             </listview>       <linearlayout         android:layout_width="match_parent"         android:layout_height="match_parent"         android:orientation="vertical"         android:gravity="bottom"         android:id="@+id/ll">         <button             android:id="@+id/plus"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="add"/>         <edittext             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:id="@+id/comment"             android:inputtype="text"             android:hint="comment" />         <linearlayout             android:layout_width="match_parent"             android:layout_height="match_parent"             android:orientation="horizontal"             android:gravity="bottom">             <button                 android:id="@+id/send"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:text="send" />             <button                 android:id="@+id/close"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:text="save , close"/>         </linearlayout>      </linearlayout>   </linearlayout>

when listview fills screen, cannot see buttons below it.

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:orientation="vertical" android:layout_width="match_parent"     android:layout_height="match_parent"     android:weightsum="100">      <linearlayout android:orientation="horizontal"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:weightsum="100"         android:background="#00c4ff">         <textview             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="application № - "             android:layout_weight="50"/>         <textview             android:id="@+id/number"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:text="__"             android:layout_weight="20" />         <edittext             android:id="@+id/date"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:inputtype="date"             android:hint="dd/mm/yyyy"             android:layout_weight="30" />     </linearlayout>      <listview         android:id="@+id/lvmain"         android:layout_width="match_parent"         android:layout_height="0dp"         android:layout_weight="90">     </listview>       <linearlayout         android:layout_width="match_parent"         android:layout_height="0dp"         android:layout_weight="10"         android:orientation="vertical"         android:gravity="bottom"         android:id="@+id/ll">         <button             android:id="@+id/plus"             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:text="add"/>         <edittext             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:id="@+id/comment"             android:inputtype="text"             android:hint="comment" />         <linearlayout             android:layout_width="match_parent"             android:layout_height="match_parent"             android:orientation="horizontal"             android:gravity="bottom">             <button                 android:id="@+id/send"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:text="send" />             <button                 android:id="@+id/close"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:text="save , close"/>         </linearlayout>      </linearlayout>   </linearlayout>

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