Set bottom gravity to a single view Android

Set bottom gravity to a single view Android - android

I have a horizontal linear layout, with 3 buttons, on the display. I want this layout to be displayed in the bottom of the display.
Here is the code I wrote:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:paddingBottom="#dimen/activity_vertical_margin" tools:context="flowepower.tetris.Game"
android:background="#drawable/Main_screen">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="bottom"
android:orientation="horizontal"
</LinearLayout> </RelativeLayout>
I haven't put the buttons code, they are simple ones.
With this code, it is still displayed on the top. Can you suggest me other posibilities? Thank you!

You can try this:Layout
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="horizontal" >
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="button1" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="button2" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="button3" />
</LinearLayout>
</RelativeLayout>
Hope this is what you want...

Hope this code works for you.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="bottom"
android:orientation="horizontal" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
<Button
android:id="#+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
</LinearLayout>

As you are using RelativeLayout write android:alignParentBottom="true" in your LinearLayout tag.
<RelativeLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:alignParentBottom="true">
</LinearLayout>
</RelativeLayout>

Related

How to make a web view and three buttons? Is a single xml Layout enough?

How to make web view and three buttons in android , three buttons down and beside each others and web view appears at the remain screen .
I tried the following code
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="fill_parent" tools:context=".MainActivity"
android:orientation="vertical"
>
<WebView
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:id="#+id/webview"
android:background="#fff"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="horizontal"
>
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
<Button
android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
</LinearLayout>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" tools:context=".MainActivity"
android:orientation="vertical"
android:weightSum="5"
>
<WebView
android:layout_width="match_parent"
android:layout_height="0dp"
android:id="#+id/webview"
android:background="#fff"
android:layout_weight="4"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="horizontal"
android:weightSum="3"
android:layout_weight="1"
>
<Button
android:id="#+id/button1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
<Button
android:id="#+id/button"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
<Button
android:id="#+id/button3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button" />
</LinearLayout>
</LinearLayout>
This will do your job

Create a layout in this schema
<Relative Layout>
<LinearLayout
weight_sum =3
align_parent_bottom>
<Button_1
weight =1/>
<Button_2
weight =1/>
<Button_3
weight =1/>
</Linear Layout>
<WebView
above linearLayout
align_parent_top />
</Relative Layout>

how to fit layout width inside of a horizontalscrollview?

I want to fit width of the LinearLayout horizontally but there is some blank space in end of it(see the picture)Picture
this is my code :
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.shahin.testing2.MainActivity">
<HorizontalScrollView
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="40px"
android:id="#+id/layout">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:id="#+id/Linear"
android:layout_gravity="center_horizontal"
android:orientation="horizontal">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
</HorizontalScrollView>
</LinearLayout>
how can i change this code that there would be no blank space at the end?

finally i got the answer , i must declare the gravity attribute to center_horizontal in parent linear_layout.

Auto-shrink TextView according to screensize

I'm trying to get TextView to wrap according to the device screensize so that the 3 button at the bottom will always be visible at the bottom of screen.
The layout I'm trying to get
I've tried the solution from here but the ScrollView doesn't seem to work. The 3 buttons is not visible.
The bad layout I'm getting :(
Here are my code. Thanks for reading.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ScrollView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:scrollbars="vertical"
android:fillViewport="true">
<TextView
android:text="#string/default_tnc"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1.0"/>
</ScrollView>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="bottom">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_alignParentBottom="true">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button 1"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button 2"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button 3"/>
</LinearLayout>
</RelativeLayout>
</LinearLayout>

this is what you need , just copy and paste
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<ScrollView
android:id="#+id/scroll_view"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:scrollbars="vertical"
android:layout_above="#+id/ll_layout"
android:padding="10dp"
android:layout_weight=".8">
<TextView
android:text="#string/temp_txt"
android:textColor="#android:color/black"
android:background="#android:color/white"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="30dp"
/>
</ScrollView>
<LinearLayout
android:layout_width="match_parent"
android:id="#+id/ll_layout"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_alignParentBottom="true">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20dp"
android:layout_weight="1"
android:text="Button 1"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20dp"
android:layout_weight="1"
android:text="Button 2"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:textSize="20dp"
android:text="Button 3"/>
</LinearLayout>
</RelativeLayout>

Add android:layout_weight="1" to your ScrollView and change height of ScrollView to 0
Remove android:layout_weight="1" from your TextView
<ScrollView
android:layout_width="fill_parent"
android:layout_height="0dp"
android:scrollbars="vertical"
android:layout_weight="1.0"
android:fillViewport="true">
<TextView
android:text="#string/default_tnc"
android:layout_width="fill_parent"
android:layout_height="fill_parent" // or wrap_content
/>
</ScrollView>
Hope this help

You can RelativeLayout
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".lActivity">
<ScrollView
android:id="#+id/web_view"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
// enter code here
/>
</CrollView>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:layout_alignParentBottom="true"
android:background="#FFFFFF">
<Button>
<Button>
<Button>
</RelativeLayout>
</RelativeLayout>

Instead of using a LinearLayout as the main parent, Just use a RelativeLayout. Then just use the layout_above attribute in the ScrollView to have it set to be above the .
ativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_above="#+id/id_rl_below"
android:layout_alignParentTop="true"
android:scrollbars="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1.0"
android:text="asdhgfahgdsashgaweatlweiutnwaueytluwae ytbluwae ytbluewzybltuewzsyb tzsydgzlu ybeutzybwlutvybwelutyvzewuiybtuwzey btuzwey tluiwg usdbugdslyuggjzsg zsdg sd mgzsdnzsntzsetxseyuxtrutfru xtfrunftu nxut uctr mxr untrxuxdumtrrumxrtmuxrumnrxtumn"
android:textSize="50dp" />
</ScrollView>
<LinearLayout
android:id="#id/id_rl_below"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="vertical">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button 1" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button 2" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button 3" />
</LinearLayout>
</RelativeLayout>
To know more about how to use RelativeLayouts. You can check the Official Android Developers Site -- RelativeLayout.LayoutParams. Hope this helps. :)

How to add button between listview?

I am trying to put button between two list view which are vertically aligned.Can someone please help me out with the problem.I am very new to android ,I don't have any idea how to do that.
I want to put two small button in the space available between two columns.Please find the below xml code :
<?xml version="1.0" encoding="utf-8"?>
<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:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
tools:context="com.edkul.vimal.edkul.Library"
android:id="#+id/linearLayout1"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="#string/library"
android:textSize="25sp"
android:id="#+id/textView27"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
<LinearLayout
android:id="#+id/linearLayout2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="35dp"
android:layout_below="#+id/textView27">
<ListView
android:id="#+id/list_item1"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_marginRight="55dp"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:background="#88FF0000">
</ListView>
<ListView
android:id="#+id/list_item3"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:background="#88FF0000">
</ListView>
</LinearLayout>
<Button
android:layout_width="match_parent"
android:layout_below="#+id/linearLayout2"
android:layout_height="match_parent"
android:text="Button1"/>
</RelativeLayout>

Try with this.
Replace this full code in your XML.
<?xml version="1.0" encoding="utf-8"?>
<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:id="#+id/linearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
tools:context="com.edkul.vimal.edkul.Library">
<TextView
android:id="#+id/textView27"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:text="Library"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textSize="25sp" />
<LinearLayout
android:id="#+id/linearLayout2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="#+id/textView27"
android:layout_marginTop="35dp"
android:orientation="horizontal"
android:weightSum="2">
<ListView
android:id="#+id/list_item1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:layout_weight="1"
android:background="#88FF0000"></ListView>
<LinearLayout
android:id="#+id/linearLayout3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:orientation="vertical"
android:weightSum="2">
<Button
android:id="#+id/btn1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button1" />
<Button
android:id="#+id/btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button1" />
</LinearLayout>
<ListView
android:id="#+id/list_item3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:layout_weight="1"
android:background="#88FF0000"></ListView>
</LinearLayout>
</RelativeLayout>
It will show you button exactly between your listviews.
Surely it will help you.

Make the layout orientation as horizontal .use your first list views and button as 3views in your layout .
Make height as match parent for listviews but wrap content for button .
Check if it works

Align two-button layout left and right in Android

I want to align two buttons with a linear layout, one on the left, and one on the right, like the next and previous buttons on an image gallery. I tried to align them but it doesn't work.
XML layout code:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="#android:color/white"
android:gravity="bottom" >
<LinearLayout
android:id="#+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#android:color/black" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="prev"
android:layout_alignParentRight="true" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="next" />
</LinearLayout>
</LinearLayout>
Actual output:
Expected output:
How can I fix it?

Use a RelativeLayout. There you can set android:layout_alignParentLeft and android:layout_alignParentRight.
This should work for you:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="#android:color/white"
android:gravity="bottom" >
<RelativeLayout
android:id="#+id/relativeLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#android:color/black" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="prev"
android:layout_alignParentLeft="true" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="next"
android:layout_alignParentRight="true"/>
</RelativeLayout>
</LinearLayout>

With Linear Layout
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Prev"/>
</LinearLayout>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Next"/>
</LinearLayout>
With Relative Layout
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Prev"
android:layout_alignParentLeft="true"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Next"
android:layout_alignParentRight="true"/>
</RelativeLayout>

Use Relative layout in your LinearLayout;
Also add android:layout_alignParentLeft="true" to "prev" Button
and android:layout_alignParentRight="true" to "next" Button
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#android:color/white"
android:gravity="bottom"
android:orientation="vertical" >
<RelativeLayout
android:id="#+id/relativeLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#android:color/black" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true" <---- ADD this prop
android:text="prev" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true" <----- ADD this prop
android:text="next" />
</RelativeLayout>
</LinearLayout>

I guess, the simplest solution is to use View in your inner LinearLayout.
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="prev"/>
<View
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_weight="1"/>
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="next"/>
</LinearLayout>

Something like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="right" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="Button" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_toLeftOf="#+id/button1"
android:orientation="vertical" >
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
The idea is, to create a RelativeLayout as container and put first Button and then stick it to the right of parent view. After that, add Another button inside LinearLayout and set this LinearLayout into the left of first Button.
Here's the result.

ur layout xml should be as shown below
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="bottom"
android:background="#fff">
<RelativeLayout
android:id="#+id/relativeLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#000"
android:layout_gravity="bottom" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:text="Pre" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="Next" />
</RelativeLayout>
</RelativeLayout>

Use a RelativeLayout instead of a LinearLayout you can add the tags android:layout_alignParentRight="true" and android:layout_alignParentLeft="true" on each button.

You can use RelativeLayout like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#android:color/white"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#android:color/black"
android:gravity="bottom"
android:orientation="horizontal" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:text="prev" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="next" />
</RelativeLayout>
</LinearLayout>
(I used grey instead of white for the screenshot)

Use a FrameLayout and add the layout_gravity attribute in each of the buttons

Do something like this it will surely help you out
<?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"
>
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/Linear"
android:textSize="35dp"
android:layout_margin="90dp"
/>
<LinearLayout
android:id="#+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#android:color/black">
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Relative"
/>
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="200dp"
android:text="Constraint" />
</LinearLayout>
</LinearLayout>

Use margin_Start and End to seprate the buttons in the layout
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="-:Linear Layout:-"
android:textSize="35sp"
android:layout_gravity="center"
android:layout_marginTop="250dp"
tools:ignore="HardcodedText"/>
<LinearLayout
android:id="#+id/linear2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="90dp">
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Relative"
tools:ignore="ButtonStyle,HardcodedText"/>
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="200dp"
android:text="Constraint"
tools:ignore="ButtonStyle"
/>
</LinearLayout>
</LinearLayout>
[enter image description here][1]
[1]: https://i.stack.imgur.com/NMYj2.png

For Better Performance:
Best to put two views left and right and one view between in linear layout rather than relative layout. Use the below code it will also remove the nesting of views .... It will be good in performance perpective :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/linearLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical">
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="prev" />
<TextView android:text="Hi its working"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="next" />
</LinearLayout>

Develop Reference

The Android operating system is a mobile operating system that was developed by Google (GOOGL?) to be primarily used for touchscreen devices, cell phones, and tablets.

Set bottom gravity to a single view Android - android

As you are using RelativeLayout write android:alignParentBottom="true" in your LinearLayout tag. <RelativeLayout> <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:alignParentBottom="true"> </LinearLayout> </RelativeLayout>

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