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 <!-- android:theme="@style/AppTheme" -->


    <style name="toolbarTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <item name="android:windowNoTitle">true</item>
        <item name="windowActionBar">false</item>
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/bg_login"
    android:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">

    <android.support.v7.widget.Toolbar
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:background="#6e7bda" />

    </android.support.design.widget.AppBarLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:gravity="center_vertical"
        android:paddingLeft="20dp"
        android:paddingRight="20dp" >

        <EditText
            android:id="@+id/authentication_login"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="10dp"
            android:background="@color/white"
            android:hint="@string/hint_email"
            android:inputType="textEmailAddress"
            android:padding="10dp"
            android:singleLine="true"
            android:textColor="@color/input_login"
            android:textColorHint="@color/input_login_hint"
            android:gravity="center"/>

        <EditText
            android:id="@+id/authentication_password"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="10dp"
            android:background="@color/white"
            android:hint="@string/hint_password"
            android:inputType="textPassword"
            android:padding="10dp"
            android:singleLine="true"
            android:textColor="@color/input_login"
            android:textColorHint="@color/input_login_hint"
            android:gravity="center"/>

        <!-- Login Button -->

        <Button
            android:id="@+id/btnLogin"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dip"
            android:background="@color/btn_login_bg"
            android:text="@string/btn_login"
            android:textColor="@color/btn_login"
            android:onClick="authenticationWithServer"
            android:gravity="center"/>

        <!-- Link to Login Screen -->

        <Button
            android:id="@+id/btnLinkToRegisterScreen"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="40dip"
            android:background="@null"
            android:text="@string/btn_link_to_register"
            android:textAllCaps="false"
            android:textColor="@color/white"
            android:textSize="15dp"
            android:onClick="openRegistrationActivity"
            android:gravity="center"/>
    </LinearLayout>

</RelativeLayout>