Simple Android Login Page

Login XML

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="#b2ebf2"
    android:fitsSystemWindows="true">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:paddingLeft="24dp"
        android:paddingTop="80dp"
        android:paddingRight="24dp">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="150dp"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="25dp"
            android:src="@mipmap/ic_launcher" />

        <!--  Email Label -->
        <android.support.design.widget.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:layout_marginBottom="8dp">

            <EditText
                android:id="@+id/password"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Email"
                android:inputType="textEmailAddress" />
        </android.support.design.widget.TextInputLayout>

        <!--  Password Label -->
        <android.support.design.widget.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:layout_marginBottom="8dp">

            <EditText
                android:id="@+id/input_password"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Password"
                android:inputType="textPassword" />
        </android.support.design.widget.TextInputLayout>

        <android.support.v7.widget.AppCompatButton
            android:id="@+id/btn_login"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="24dp"
            android:layout_marginBottom="24dp"
            android:padding="12dp"
            android:text="Login" />

        <TextView
            android:id="@+id/link_signup"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="24dp"
            android:gravity="center"
            android:text="No account yet? Create one"
            android:textSize="16dip" />

    </LinearLayout>
</ScrollView>

Manifest

<activity
    android:name=".Login"
    android:label="@string/title_activity_login"
    android:parentActivityName=".MainActivity"
    android:theme="@style/AppTheme.NoActionBar">
    <meta-data
        android:name="android.support.PARENT_ACTIVITY"
        android:value="com.thiyagaraaj.apptrace.MainActivity" />
</activity>

Bind to Java

@BindView(R.id.input_email) EditText _emailText;
@BindView(R.id.input_password) EditText _passwordText;
@BindView(R.id.btn_login) Button _loginButton;
@BindView(R.id.link_signup) TextView _signupLink;

To read values

String email = _emailText.getText().toString();
String password = _passwordText.getText().toString();

Demo Screen