Android layout_weight is not working

Question

I'm trying to set android:layout_weight="1" but it does not do anything.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
    android:layout_height="match_parent"
    android:background="#fbd0d5"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="com.example.raza.helloworld.MainActivity"
    tools:showIn="@layout/activity_main"
    android:weightSum="1">


    <TextView

        android:id="@+id/textView1"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Minnions"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />

    <TextView

        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Happy"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />

    <TextView

        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Birthday"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />
</LinearLayout>

What's wrong with this code?

In your Linear Layout(root view) replace android:weightSum="3" — Shashank Verma, Jun 13 '17 at 04:55

score 0 · Answer 1 · answered Jun 13 '17 at 03:54

0

Changes the weightsum to 3 in parent linear Layout

android:weightSum="3"

answered Jun 13 '17 at 03:54

Quick learner

10,632
4
45
55

score 0 · Answer 2 · answered Jun 13 '17 at 03:54

just remove weigtsum and showIn

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent"
    android:background="#fbd0d5"
    app:layout_behavior="@string/appbar_scrolling_view_behavior">


    <TextView

        android:id="@+id/textView1"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Minnions"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />

    <TextView

        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Happy"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />

    <TextView

        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Birthday"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />
</LinearLayout>

score 0 · Accepted Answer · answered Jun 13 '17 at 03:55

Remove android:weightSum="1" from root layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
    android:layout_height="match_parent"
    android:background="#fbd0d5"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    >


    <TextView

        android:id="@+id/textView1"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Minnions"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />

    <TextView

        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Happy"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />

    <TextView

        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="#fef65b"
        android:text="Birthday"
        android:textColor="#f44242"
        android:textSize="60sp"
        android:textStyle="bold" />
</LinearLayout>

aw sum thanks for your help i am learning android development it helps — Raza Khan, Jun 13 '17 at 03:57

score 0 · Answer 4 · answered Jun 13 '17 at 03:56

0

You need to change the weightsum of your LinearLayout to equal 3.

android:weightSum="3"

This other thread povides a bit more detail about weight sum but the gist of it is:

The child elements layout_weight should equal to the parent's weight_sum.

answered Jun 13 '17 at 03:56

Troy Poulter

677
1
8
29

It works when i remove android:weightSum="1" from root layout – Raza Khan Jun 13 '17 at 04:00

score 0 · Answer 5 · answered Jun 13 '17 at 03:58

All your views have the same weight!. So none of their height will be changed.change weightSum to be equal to the sum of weight of its children and set different weights for child views. It'll Change then.

Like this

<LinearLayout 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="#fbd0d5"
android:orientation="vertical"
android:weightSum="10"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<TextView
    android:id="@+id/textView1"
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="4"
    android:background="#fef65b"
    android:text="Minnions"
    android:textColor="#f44242"
    android:textSize="60sp"
    android:textStyle="bold" />

<TextView
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="3"
    android:background="#fef65b"
    android:text="Happy"
    android:textColor="#f44242"
    android:textSize="60sp"
    android:textStyle="bold" />

<TextView
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="3"
    android:background="#fef65b"
    android:text="Birthday"
    android:textColor="#f44242"
    android:textSize="60sp"
    android:textStyle="bold" />
</LinearLayout>

score 0 · Answer 6 · answered Jun 13 '17 at 08:18

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


<TextView
    android:id="@+id/textView1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="10dp"
    android:layout_weight="1"
    android:background="#fef65b"
    android:gravity="center"
    android:text="Hai"
    android:textColor="#f44242"
    android:textSize="60sp"
    android:textStyle="bold" />

<TextView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="10dp"
    android:layout_weight="1"
    android:background="#fef65b"
    android:gravity="center"
    android:text="Hello"
    android:textColor="#f44242"
    android:textSize="60sp"
    android:textStyle="bold" />

<TextView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="10dp"
    android:layout_weight="1"
    android:background="#fef65b"
    android:gravity="center"
    android:text="How r u"
    android:textColor="#f44242"
    android:textSize="60sp"
    android:textStyle="bold" />
</LinearLayout>

Android layout_weight is not working

6 Answers6