master details flow for tablet

app/src/main/java/net/headlezz/udacityproject1/MainActivity.java

@@ -4,19 +4,27 @@ import android.os.Bundle;
 import android.support.v4.app.FragmentManager;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.widget.TextView;
 
 import net.headlezz.udacityproject1.movielist.MovieListFragment;
 import net.headlezz.udacityproject1.tmdbapi.Movie;
 
+import butterknife.Bind;
+import butterknife.ButterKnife;
+
 /**
  * Main activity is mainly for handling fragment transactions
  */
 public class MainActivity extends AppCompatActivity implements MovieNavigation, FragmentManager.OnBackStackChangedListener {
 
+    @Bind(R.id.main_details_placeHolderText) TextView detailsPlaceholderView;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        ButterKnife.bind(this);
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
         setTitle(getString(R.string.app_name));
@@ -38,8 +46,11 @@ public class MainActivity extends AppCompatActivity implements MovieNavigation,
      */
     public void showDetailsFragment(Movie movie) {
         MovieDetailsFragment frag = MovieDetailsFragment.newInstance(movie);
+        int holderId = getResources().getBoolean(R.bool.master_detail) ? R.id.fragmentHolderDetails : R.id.fragmentHolder;
+        if(detailsPlaceholderView != null)
+            detailsPlaceholderView.setVisibility(View.GONE);
         getSupportFragmentManager().beginTransaction()
-                .replace(R.id.fragmentHolder, frag)
+                .replace(holderId, frag)
                 .addToBackStack(MovieDetailsFragment.TAG)
                 .commit();
     }

app/src/main/res/layout-sw600dp-land/activity_main.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity"
+    android:orientation="vertical">
+
+    <android.support.v7.widget.Toolbar android:id="@+id/toolbar"
+        android:layout_width="match_parent" android:layout_height="?attr/actionBarSize"
+        android:background="?attr/colorPrimary"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <FrameLayout
+            android:layout_weight="1"
+            android:id="@+id/fragmentHolder"
+            android:layout_width="0dp"
+            android:layout_height="match_parent" />
+
+        <FrameLayout
+            android:layout_weight="1"
+            android:id="@+id/fragmentHolderDetails"
+            android:layout_width="0dp"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/main_details_placeHolderText"
+                android:layout_gravity="center"
+                android:textAppearance="?android:attr/textAppearanceLarge"
+                android:text="Please select a movie"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" />
+
+        </FrameLayout>
+
+    </LinearLayout>
+
+
+
+
+</LinearLayout>

app/src/main/res/values-sw600dp-land/dimens.xml

@@ -0,0 +1,3 @@
+<resources>
+    <bool name="master_detail">true</bool>
+</resources>

app/src/main/res/values-w820dp/dimens.xml

@@ -1,6 +0,0 @@
-<resources>
-    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
-         (such as screen margins) for screens with more than 820dp of available width. This
-         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
-    <dimen name="activity_horizontal_margin">64dp</dimen>
-</resources>

app/src/main/res/values/dimens.xml

@@ -3,4 +3,5 @@
     <dimen name="activity_horizontal_margin">16dp</dimen>
     <dimen name="activity_vertical_margin">16dp</dimen>
     <dimen name="fab_margin">16dp</dimen>
+    <bool name="master_detail">false</bool>
 </resources>