I have these nested layouts and i want to put a LinearLayout anchored to the bottom (internally) of the first RelativeLayout but i don't know how to do it. Can someone help me? I want something like this: https://imgur.com/eCCYS8Q
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#fff"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:orientation="vertical"
android:weightSum="1">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.65"
android:background="@drawable/background_gradient">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.35">
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
If you want to align a view to the bottom of a relative layout you need to use android:layout_alignParentBottom="true"
in the view that is going to be stuck at the bottom of the relative
Since you need weight
too in your UI so This will work for you
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:orientation="vertical"
android:weightSum="1">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.65"
android:background="@drawable/background_gradient">
<LinearLayout
android:layout_width="match_parent"
android:layout_alignParentBottom="true"
android:layout_height="wrap_content">
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.35">
</RelativeLayout>
</LinearLayout>
Align LinearLayout to the bottom using id. take the id of relative layout and then align LinearLayout to the bottom at the end of relative layout id.
To make layout_weight
work properly set android:layout_height="0dp"
for both relative layouts
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:weightSum="1">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.65"
android:background="@color/colorPrimary">
<LinearLayout
android:layout_width="match_parent"
android:layout_alignParentBottom="true"
android:layout_marginTop="10dp"
android:layout_marginStart="10dp"
android:layout_marginEnd="10dp"
android:layout_height="match_parent"
android:background="@color/colorAccent">
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.35"
android:background="@color/colorPrimaryDark">
</RelativeLayout>
</LinearLayout>
change 10dp to whatever suits you.
I set the colors just to distinguish the layouts
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