LinearLayout put child at the right side

Question

I m trying to have a textview and a button in linear layout with horizontal orientation. The textview should appear at the starting and the button should appear at the end. I thought giving gravity right to the button would do the trick but the buttons doesn't move to the right side. I m thinking if I should probably use relative layout?

<\LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content" 
    android:orientation="horizontal">

    <TextView
        android:id="@+id/productPriceTextView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Rs 3579.0" 
        />

    <Button
        android:id="@+id/buyNowButton1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="right"
        android:text="Buy Now" />
<\/LinearLayout>

Solution 1

My way (using a RelativeLayout):

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    >
    <TextView
        android:id="@+id/productPriceTextView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:text="Rs 3579.0"
    />
    <Button
        android:id="@+id/buyNowButton1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:text="Buy Now"
    />
</RelativeLayout>

See how I explicitly align the TextView to the Parent's left side and the Button to the Parent's right side

You can then center the TextView vertically in the RelativeLayout, by setting:

android:layout_centerVertical="true"

in the TextView itself

---

Newr OS versions may prefer this:

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    >
    <TextView
        android:id="@+id/productPriceTextView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentStart="true"
        android:text="Rs 3579.0"
    />
    <Button
        android:id="@+id/buyNowButton1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:text="Buy Now"
    />
</RelativeLayout>

Solution 2

Try below xml:

   <?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="wrap_content"
    android:orientation="horizontal">

    <TextView
        android:id="@+id/productPriceTextView1"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:layout_height="match_parent"
        android:gravity="center_vertical"
        android:text="Rs 3579.0"
        />

    <Button
        android:id="@+id/buyNowButton1"
        android:layout_width="100dp"
        android:layout_height="wrap_content"
        android:layout_gravity="right"
        android:text="Buy Now" />
</LinearLayout>

Solution 3

There is a cleaner way to do this, using LinearLayout : just give the left element a width of 0 and a weight of 1, and set the right one's width on wrap_content. And that's it!

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content" 
    android:orientation="horizontal">

    <TextView
        android:id="@+id/productPriceTextView1"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:text="Rs 3579.0" 
        />

    <Button
        android:id="@+id/buyNowButton1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Buy Now" />
</LinearLayout>

Solution 4

There are two approach:

1) You can use RelativeLayout in which you can drag your Button where you want..

2) You can use weight property for LinearLayout.

<?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="wrap_content"
android:orientation="horizontal">

<TextView
    android:id="@+id/productPriceTextView1"
    android:layout_width="0dp"
    android:layout_weight="0.8"
    android:layout_height="match_parent"
    android:gravity="center_vertical"
    android:text="Rs 3579.0"
    />

<Button
    android:id="@+id/buyNowButton1"
    android:layout_width="0dp"
    android:layout_weight="0.2"
    android:layout_height="wrap_content"
    android:layout_gravity="right"
    android:text="Buy Now" />
</LinearLayout>

Solution 5

Use this layout instead..

<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="wrap_content"
android:orientation="horizontal">

<TextView
android:id="@+id/productPriceTextView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Rs 3579.0"
android:layout_centerVertical="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />



<Button
android:id="@+id/buyNowButton1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Buy Now"
android:layout_alignParentTop="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />

</RelativeLayout>

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