************************************************************************
ItemDivider.java
************************************************************************
// ItemDivider.java
// Class that defines dividers displayed between the RecyclerView items;
// based on Google's sample implementation at bit.ly/DividerItemDecoration
package at.htl.addressbook;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.support.v7.widget.RecyclerView;
import android.view.View;

class ItemDivider extends RecyclerView.ItemDecoration {
   private final Drawable divider;

   // constructor loads built-in Android list item divider
   public ItemDivider(Context context) {
      int[] attrs = {android.R.attr.listDivider};
      divider = context.obtainStyledAttributes(attrs).getDrawable(0);
   }

   // draws the list item dividers onto the RecyclerView
   @Override
   public void onDrawOver(Canvas c, RecyclerView parent,
      RecyclerView.State state) {
      super.onDrawOver(c, parent, state);

      // calculate left/right x-coordinates for all dividers
      int left = parent.getPaddingLeft();
      int right = parent.getWidth() - parent.getPaddingRight();

      // for every item but the last, draw a line below it
      for (int i = 0; i < parent.getChildCount() - 1; ++i) {
         View item = parent.getChildAt(i); // get ith list item

         // calculate top/bottom y-coordinates for current divider
         int top = item.getBottom() + ((RecyclerView.LayoutParams)
            item.getLayoutParams()).bottomMargin;
         int bottom = top + divider.getIntrinsicHeight();

         // draw the divider with the calculated bounds
         divider.setBounds(left, top, right, bottom);
         divider.draw(c);
      }
   }
}





************************************************************************
strings.xml
************************************************************************
<resources>
   <string name="app_name">AddressBook</string>
   <string name="menuitem_edit">Edit</string>
   <string name="menuitem_delete">Delete</string>
   <string name="hint_name_required">Name (Required)</string>
   <string name="hint_email">E-Mail</string>
   <string name="hint_phone">Phone</string>
   <string name="hint_street">Street</string>
   <string name="hint_city">City</string>
   <string name="hint_state">State</string>
   <string name="hint_zip">Zip</string>
   <string name="label_name">Name:</string>
   <string name="label_email">E-Mail:</string>
   <string name="label_phone">Phone:</string>
   <string name="label_street">Street:</string>
   <string name="label_city">City:</string>
   <string name="label_state">State:</string>
   <string name="label_zip">Zip:</string>
   <string name="confirm_title">Are You Sure?</string>
   <string name="confirm_message">This will permanently delete the contact</string>
   <string name="button_cancel">Cancel</string>
   <string name="button_delete">Delete</string>
   <string name="contact_added">Contact added successfully</string>
   <string name="contact_not_added">Contact was not added due to an error</string>
   <string name="contact_updated">Contact updated</string>
   <string name="contact_not_updated">Contact was not updated due to an error</string>
   <string name="invalid_query_uri">Invalid query Uri: </string>
   <string name="invalid_insert_uri">Invalid insert Uri: </string>
   <string name="invalid_update_uri">Invalid update Uri: </string>
   <string name="invalid_delete_uri">Invalid delete Uri: </string>
   <string name="insert_failed">Insert failed:</string>
</resources>






************************************************************************
content_main.xml for tablets (!)
************************************************************************
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:baselineAligned="false"
   android:divider="?android:listDivider"
   android:orientation="horizontal"
   android:paddingBottom="@dimen/activity_vertical_margin"
   android:paddingLeft="@dimen/activity_horizontal_margin"
   android:paddingRight="@dimen/activity_horizontal_margin"
   android:paddingTop="@dimen/activity_vertical_margin"
   android:showDividers="middle"
   android:weightSum="3"
   app:layout_behavior="@string/appbar_scrolling_view_behavior">

   <fragment
      android:id="@+id/contactsFragment"
      android:name="at.htl.addressbook.ContactsFragment"
      android:layout_width="0dp"
      android:layout_height="match_parent"
      android:layout_marginEnd="@dimen/divider_margin"
      android:layout_weight="1"
      tools:layout="@layout/fragment_contacts"/>

   <FrameLayout
      android:id="@+id/rightPaneContainer"
      android:layout_width="0dp"
      android:layout_height="match_parent"
      android:layout_marginStart="@dimen/divider_margin"
      android:layout_weight="2"/>
</LinearLayout>





************************************************************************
fragment_details.xml
************************************************************************
<ScrollView android:id="@+id/detailsScrollView"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <GridLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:columnCount="2"
        android:useDefaultMargins="true">

        <TextView
            android:id="@+id/nameLabelTextView"
            style="@style/ContactLabelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="0"
            android:layout_row="0"
            android:text="@string/label_name"/>

        <TextView
            android:id="@+id/nameTextView"
            style="@style/ContactTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="1"
            android:layout_row="0"/>

        <TextView
            android:id="@+id/phoneLabelTextView"
            style="@style/ContactLabelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="0"
            android:layout_row="1"
            android:text="@string/label_phone"/>

        <TextView
            android:id="@+id/phoneTextView"
            style="@style/ContactTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="1"
            android:layout_row="1"/>

        <TextView
            android:id="@+id/emailLabelTextView"
            style="@style/ContactLabelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="0"
            android:layout_row="2"
            android:text="@string/label_email"/>

        <TextView
            android:id="@+id/emailTextView"
            style="@style/ContactTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="1"
            android:layout_row="2"/>

        <TextView
            android:id="@+id/streetLabelTextView"
            style="@style/ContactLabelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="0"
            android:layout_row="3"
            android:text="@string/label_street"/>

        <TextView
            android:id="@+id/streetTextView"
            style="@style/ContactTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="1"
            android:layout_row="3"/>

        <TextView
            android:id="@+id/cityLabelTextView"
            style="@style/ContactLabelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="0"
            android:layout_row="4"
            android:text="@string/label_city"/>

        <TextView
            android:id="@+id/cityTextView"
            style="@style/ContactTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="1"
            android:layout_row="4"/>

        <TextView
            android:id="@+id/stateLabelTextView"
            style="@style/ContactLabelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="0"
            android:layout_row="5"
            android:text="@string/label_state"/>

        <TextView
            android:id="@+id/stateTextView"
            style="@style/ContactTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="1"
            android:layout_row="5"/>

        <TextView
            android:id="@+id/zipLabelTextView"
            style="@style/ContactLabelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="0"
            android:layout_row="6"
            android:text="@string/label_zip"/>

        <TextView
            android:id="@+id/zipTextView"
            style="@style/ContactTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_column="1"
            android:layout_row="6"/>
    </GridLayout>
</ScrollView>





************************************************************************
fragment_details_menu.xml
************************************************************************
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto">

   <item
      android:id="@+id/action_edit"
      android:icon="@drawable/ic_mode_edit_24dp"
      android:orderInCategory="1"
      android:title="@string/menuitem_edit"
      app:showAsAction="always"/>

   <item
      android:id="@+id/action_delete"
      android:icon="@drawable/ic_delete_24dp"
      android:orderInCategory="2"
      android:title="@string/menuitem_delete"
      app:showAsAction="always"/>
</menu>





************************************************************************
DatabaseDescription.java
************************************************************************
// DatabaseDescription.java
// Describes the table name and column names for this app's database,
// and other information required by the ContentProvider
package at.htl.addressbook.data;

import android.content.ContentUris;
import android.net.Uri;
import android.provider.BaseColumns;

public class DatabaseDescription {
   // ContentProvider's name: typically the package name
   public static final String AUTHORITY =
      "at.htl.addressbook.data";

   // base URI used to interact with the ContentProvider
   private static final Uri BASE_CONTENT_URI =
      Uri.parse("content://" + AUTHORITY);

   // nested class defines contents of the contacts table
   public static final class Contact implements BaseColumns {
      public static final String TABLE_NAME = "contacts"; // table's name

      // Uri for the contacts table
      public static final Uri CONTENT_URI =
         BASE_CONTENT_URI.buildUpon().appendPath(TABLE_NAME).build();

      // column names for contacts table's columns
      public static final String COLUMN_NAME = "name";
      public static final String COLUMN_PHONE = "phone";
      public static final String COLUMN_EMAIL = "email";
      public static final String COLUMN_STREET = "street";
      public static final String COLUMN_CITY = "city";
      public static final String COLUMN_STATE = "state";
      public static final String COLUMN_ZIP = "zip";

      // creates a Uri for a specific contact
      public static Uri buildContactUri(long id) {
         return ContentUris.withAppendedId(CONTENT_URI, id);
      }
   }
}






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