Android Relative Layout Example/Tutorial
RelativeLayout enables you to specify views relative to each other. Views are positioned relative to each other.
In this post, I will tell you to work on several attributes of a relative layout.
So, Let’s Star:-
1.layout_alignParentTop=”true”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentTop="true" /> </RelativeLayout>
Output
2.layout_alignParentBottom=”true”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentBottom="true" /> </RelativeLayout>
Output
3.layout_alignParentLeft=”true”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentLeft="true" /> </RelativeLayout>
Output
4.layout_alignParentRight=”true”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentRight="true" /> </RelativeLayout>
Output
5.combining layout_alignParentLeft=”true” and layout_alignParentRight=”true”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <ImageView android:id="@+id/top" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentLeft="true" /> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentRight="true" /> </RelativeLayout>
Output
6.layout_toRightOf=”id of view to whom right you want to align”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <ImageView android:id="@+id/top" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentTop="true" /> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_toRightOf="@+id/top" /> </RelativeLayout>
Output
7.layout_below=”id of view who’s below you want the view”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <ImageView android:id="@+id/top" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_alignParentLeft="true" /> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_below="@+id/top" /> </RelativeLayout>
Output
8. combine various attributes we can get layout like this:-
layout.xml
<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=".MainActivity" android:orientation="vertical" > <TextView android:id="@+id/top" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Username" android:layout_alignParentLeft="true" /> <EditText android:id="@+id/username" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_below="@+id/top" /> <TextView android:id="@+id/pass" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Password" android:layout_below="@+id/username"/> <EditText android:id="@+id/userpassword" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_below="@+id/pass"/> <Button android:id="@+id/login" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:text="Submit" android:layout_below="@+id/userpassword"/> </RelativeLayout>
Output
9.layout_centerInParent=”true”
<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=".MainActivity" android:orientation="vertical" > <TextView android:id="@+id/top" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_centerInParent="true" /> </RelativeLayout>
Output
9.layout_centerHorizontal=”true” and layout_centerVertical=”true”
layout.xml
<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=".MainActivity" android:orientation="vertical" > <TextView android:id="@+id/top" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_centerHorizontal="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@mipmap/ic_launcher" android:layout_centerVertical="true" /> </RelativeLayout>
Output