activity_loginactivity.xml

<?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:id="@+id/activity_loginactivity"
    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"
    tools:context="com.example.manu.orgofarming.Loginactivity">

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="textEmailAddress"
        android:ems="10"
        android:layout_alignParentTop="true"
        android:layout_alignParentStart="true"
        android:id="@+id/emailid"
        android:hint="EMAIL" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="textPassword"
        android:ems="10"
        android:layout_below="@+id/emailid"
        android:layout_alignParentStart="true"
        android:id="@+id/password"
        android:hint="PASSWORD" />

    <Button
        android:text="LOGIN"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/password"
        android:layout_alignParentStart="true"
        android:id="@+id/login_button"
        android:onClick="login_onclick"/>

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/login_button"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="84dp"
        android:id="@+id/signupopt"
        tools:text="new to app?click here"
        android:onClick="signingup"/>
</RelativeLayout>