android:background not reflected in view with layout weight

Question

I have a simple LinearLayout with an ImageView and a normal view having layout weights 0.55 and 0.45 respectively.

I wasn't able to split unless I gave a weightsum to my LinearLayout.

After having my LinearLayout split, I tried to give a background color to my view but its not reflecting.

Below is my code:

<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:weightSum="1" > <ImageView android:layout_weight=".55" android:layout_width="match_parent" android:layout_height="0dp" android:layout_marginTop="5dip" android:scaleType="fitXY" android:src="@drawable/ic_launcher_background" android:contentDescription="TODO" /> <View android:layout_weight=".45dp" android:layout_width="match_parent" android:layout_height="0dp" android:visibility="visible" android:background="@color/colorPrimary" ></View> </LinearLayout>

I can't understand what shall be changed such that, I can split the views correctly and set the background color. Thanks in advance!

AskNilesh · Accepted Answer · 2019-05-22 04:03:47Z

3

Replace "android:layout_weight=".45dp" to "android:layout_weight=".45"

<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:weightSum="1"> <ImageView android:layout_weight=".55" android:layout_width="match_parent" android:layout_height="0dp" android:layout_marginTop="5dip" android:scaleType="fitXY" android:src="@drawable/ic_launcher_background" android:contentDescription="TODO" /> <View android:layout_weight=".45" android:layout_width="match_parent" android:layout_height="0dp" android:visibility="visible" android:background="@color/colorPrimary"/> </LinearLayout>

edited May 22, 2019 at 4:03

AskNilesh

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answered May 21, 2019 at 11:42

Sanjay Hadiya

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6 Comments

adi Over a year ago

Such an error!! But thanks dude!! is weightsum option mandatory??

Sanjay Hadiya Over a year ago

Yes we can use the weight without defining the weight sum in parent. IN that case the total weight of the child is calculated by adding the weight of each child.

Sanjay Hadiya Over a year ago

if you get your answer so approve it... Thank you

adi Over a year ago

cool !, if u don't mind, I have an alignment issue which I have raised separately.could u have a look at it:stackoverflow.com/questions/56174608/…

SpiritCrusher Over a year ago

@adi weightsum specify the Parts of weight regardless of view is Visible or Not . If you specify it and make any Child GONE that space will be blank . If you do not specify it then it will divide according to visible Views.. Cappese ???

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