Relative layout:
This layout has an advantage that it executes faster than linear layout.
In this layout every component has its own ID in it.
A code to make login page in Relative layout:
<?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:orientation="vertical" >
<TextView
android:id="@+id/txt_Username"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:textSize="20dp"
android:text="User Name"
/>
<EditText
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:id="@+id/edt_username"
android:layout_below="@+id/txt_Username"
/>
<TextView
android:id="@+id/txt_password"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:textSize="20dp"
android:text="Password"
android:layout_below="@+id/edt_username"
/>
<EditText
android:id="@+id/edt_password"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:layout_below="@+id/txt_password"
/>
<LinearLayout
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:orientation="horizontal"
android:layout_below="@+id/edt_password"
>
<Button
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:textSize="20dp"
android:text="Login"
android:layout_weight="1"
/>
<Button
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:textSize="20dp"
android:text="Cancel"
android:layout_weight="1"
/>
</LinearLayout>
</RelativeLayout>


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