android - How to make a view resize/shorten itself when a new view appears on screen? -


i have 2 views on screen, google map fragment , different custom fragment. before custom fragment appears on screen, google map fullscreen good. once new fragment appears @ bottom of screen, want google map resized takes available space not used new fragment.

ie. before new fragment

|----------------| |                | |                | |                | |                | |      map       | |                | |                | |                | |                | |                | |                | |----------------|

after new fragment

|----------------| |                | |                | |                | |      map       | |                | |                | |                | |----------------| <-- map ends here |                | |  new fragment  | |                | |----------------|

xml file:

<android.support.v4.widget.drawerlayout     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:layout_height="match_parent"     android:layout_width="match_parent"     xmlns:app="http://schemas.android.com/apk/res-auto"     android:id="@+id/drawer_layout">      <android.support.design.widget.navigationview         android:layout_width="200dp"         android:layout_height="match_parent"         app:menu="@menu/navigation_menu"         android:id="@+id/navigation_menu"         android:layout_gravity="start">      </android.support.design.widget.navigationview>      <relativelayout         android:layout_width="match_parent"         android:layout_height="match_parent">          <fragment             xmlns:android="http://schemas.android.com/apk/res/android"             xmlns:tools="http://schemas.android.com/tools"             android:id="@+id/map"             android:name="com.google.android.gms.maps.supportmapfragment"             android:layout_width="match_parent"             android:layout_height="match_parent"             tools:context="com.example.damia.placefinder.activities.mapsactivity" />          <framelayout             android:layout_width="match_parent"             android:layout_height="300dp"             android:id="@+id/container_locations"             android:layout_alignparentbottom="true"             android:background="@color/cardview_light_background"             android:visibility="gone">          </framelayout>      </relativelayout>  </android.support.v4.widget.drawerlayout>

thanks

sounds time use linearlayout , layout_weight attribute.

<linearlayout     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical">      <fragment         android:id="@+id/map"         android:name="com.google.android.gms.maps.supportmapfragment"         android:layout_width="match_parent"         android:layout_height="0dp"         android:layout_weight="1"         tools:context="com.example.damia.placefinder.activities.mapsactivity"/>      <framelayout         android:id="@+id/container_locations"         android:layout_width="match_parent"         android:layout_height="300dp"         android:background="@color/cardview_light_background"         android:visibility="gone">      </framelayout>  </linearlayout>

if, reason, linearlayout offends sensibilities, can constraintlayout.

<android.support.constraint.constraintlayout     android:layout_width="match_parent"     android:layout_height="match_parent">      <fragment         android:id="@+id/map"         android:name="com.google.android.gms.maps.supportmapfragment"         android:layout_width="0dp"         android:layout_height="0dp"         app:layout_constrainttop_totopof="parent"         app:layout_constraintleft_toleftof="parent"         app:layout_constraintright_torightof="parent"         app:layout_constraintbottom_totopof="@+id/container_locations"         tools:context="com.example.damia.placefinder.activities.mapsactivity"/>      <framelayout         android:id="@+id/container_locations"         android:layout_width="0dp"         android:layout_height="300dp"         android:background="@color/cardview_light_background"         android:visibility="gone"         app:layout_constraintleft_toleftof="parent"         app:layout_constraintright_torightof="parent"         app:layout_constraintbottom_tobottomof="parent">      </framelayout>  </android.support.constraint.constraintlayout>

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