Add learn screen.

Change-Id: I01bd0fd816304e8c85f00ec6bbee0e0bc917083d

Author: nickbutcher

app/src/main/java/com/materialstudies/owl/model/Course.kt

@@ -22,11 +22,12 @@ data class Course(
     val id: Long,
     val name: String,
     val subject: String,
-    val thumb: String,
+    val thumbUrl: String,
     val thumbContentDesc: String,
+    val description: String = "",
     val steps: Int,
     val step: Int,
-    val instructor: String
+    val instructor: String = "https://i.pravatar.cc/112?$id"
 )
 
 object CourseDiff : DiffUtil.ItemCallback<Course>() {
@@ -39,120 +40,119 @@ val courses = listOf(
         id = 0,
         name = "Basic Blocks and Woodturning",
         subject = "Arts & Crafts",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/oJ7SV6vQfBA",
         thumbContentDesc = "",
         steps = 7,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
         id = 1,
         name = "An Introduction To Oil Painting On Canvas",
         subject = "Painting",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/W9_sznrBmoA",
         thumbContentDesc = "",
         steps = 12,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
         id = 2,
         name = "Understanding the Composition of Modern Cities",
         subject = "Architecture",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/s4I1xpX_ny8",
         thumbContentDesc = "",
         steps = 18,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
+        id = 3,
         name = "Learning The Basics of Brand Identity",
         subject = "Design",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/G9_Euqxpu4k",
         thumbContentDesc = "",
         steps = 22,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
+        id = 4,
         name = "Wooden Materials and Sculpting Machinery",
         subject = "Arts & Crafts",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/o54RjF-C7xo",
         thumbContentDesc = "",
         steps = 19,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
+        id = 5,
         name = "Advanced Potter's Wheel",
         subject = "Arts & Crafts",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/-LHvba-FgAo",
         thumbContentDesc = "",
         steps = 14,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
-        name = "Advanced Abstract Shapes & 3D",
+        id = 6,
+        name = "Advanced Abstract Shapes & 3D Printing",
         subject = "Arts & Crafts",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/HQkz_lWT_lY",
         thumbContentDesc = "",
         steps = 17,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
+        id = 7,
         name = "Beginning Portraiture",
         subject = "Photography",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/LE0Hp8l9gvs",
         thumbContentDesc = "",
         steps = 22,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
+        id = 8,
         name = "Intermediate Knife Skills",
         subject = "Culinary",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/f1xj_KeZ5RM",
         thumbContentDesc = "",
         steps = 14,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
-        name = "Pattern Making for Begginers",
+        id = 9,
+        name = "Pattern Making for Beginners",
         subject = "Fashion",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/hew8-OoUriU",
         thumbContentDesc = "",
         steps = 7,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
+        id = 10,
         name = "Location Lighting for Beginners",
         subject = "Photography",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/pPxJTtxfV1A",
         thumbContentDesc = "",
         steps = 6,
-        step = 1,
-        instructor = ""
+        step = 1
     ),
     Course(
-        id = 2,
+        id = 11,
         name = "Cinematography & Lighting",
         subject = "Film",
-        thumb = "",
+        thumbUrl = "https://source.unsplash.com/oIf4VCDztZY",
+        thumbContentDesc = "",
+        steps = 4,
+        step = 1
+    ),
+    Course(
+        id = 12,
+        name = "Monuments, Buildings & Other Structures",
+        subject = "Photography",
+        thumbUrl = "https://source.unsplash.com/KxCJXXGsv9I",
         thumbContentDesc = "",
+        description = "This video course introduces the photography of structures, including " +
+                "urban and rural buildings, monuments, and less traditional structures. Instruction includes the handling of equipment and methods used to capture building interiors and exteriors. The discussion will be about the handling of distortion, varied light sources, and perspective.",
         steps = 4,
-        step = 1,
-        instructor = ""
+        step = 1
     )
 )

app/src/main/java/com/materialstudies/owl/model/Lesson.kt

@@ -0,0 +1,89 @@
+/*
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.materialstudies.owl.model
+
+import androidx.recyclerview.widget.DiffUtil
+
+data class Lesson(
+    val title: String,
+    val formattedSteps: String,
+    val length: String,
+    val thumbUrl: String,
+    val thumbContentDescription: String = ""
+)
+
+object LessonDiff : DiffUtil.ItemCallback<Lesson>() {
+    override fun areItemsTheSame(oldItem: Lesson, newItem: Lesson) = oldItem.title == newItem.title
+    override fun areContentsTheSame(oldItem: Lesson, newItem: Lesson) = oldItem == newItem
+}
+
+val lessons = listOf(
+    Lesson(
+        title = "An introduction to the Landscape",
+        formattedSteps = "01",
+        length = "4:14",
+        thumbUrl = "https://source.unsplash.com/NRQV-hBF10M"
+    ),
+    Lesson(
+        title = "Movement and Expression",
+        formattedSteps = "02",
+        length = "7:28",
+        thumbUrl = "https://source.unsplash.com/JhqhGfX_Wd8"
+    ),
+    Lesson(
+        title = "Composition and the Urban Canvas",
+        formattedSteps = "03",
+        length = "3:43",
+        thumbUrl = "https://source.unsplash.com/0OjzOqlJyoU"
+    ),
+    Lesson(
+        title = "Lighting Techniques and Aesthetics",
+        formattedSteps = "04",
+        length = "4:45",
+        thumbUrl = "https://source.unsplash.com/J5-Kqu_fxyo"
+    ),
+    Lesson(
+        title = "Special Effects",
+        formattedSteps = "05",
+        length = "6:19",
+        thumbUrl = "https://source.unsplash.com/9ZCZoH69dZQ"
+    ),
+    Lesson(
+        title = "Techniques with Structures",
+        formattedSteps = "06",
+        length = "9:41",
+        thumbUrl = "https://source.unsplash.com/RFDP7_80v5A"
+    ),
+    Lesson(
+        title = "Deep Focus Using a Camera Dolly",
+        formattedSteps = "07",
+        length = "4:43",
+        thumbUrl = "https://source.unsplash.com/0rZ2-QWtkwY"
+    ),
+    Lesson(
+        title = "Point of View Shots with Structures",
+        formattedSteps = "08",
+        length = "9:41",
+        thumbUrl = "https://source.unsplash.com/iQnR_xEsBj0"
+    ),
+    Lesson(
+        title = "Photojournalism: Street Art",
+        formattedSteps = "09",
+        length = "9:41",
+        thumbUrl = "https://source.unsplash.com/qX9Ie7ieb1E"
+    )
+)

app/src/main/java/com/materialstudies/owl/ui/featured/FeaturedAdapter.kt

@@ -18,6 +18,8 @@ package com.materialstudies.owl.ui.featured
 
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import androidx.navigation.Navigation.findNavController
+import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.Glide
@@ -33,12 +35,16 @@ class FeaturedAdapter : ListAdapter<Course, FeaturedViewHolder>(CourseDiff) {
             LayoutInflater.from(parent.context),
             parent,
             false
-        )
+        ).apply {
+            root.setOnClickListener {
+                findNavController(it).navigate(R.id.learn)
+            }
+        }
         return FeaturedViewHolder(binding)
     }
 
     override fun onBindViewHolder(holder: FeaturedViewHolder, position: Int) {
-        holder.bind(getItem(position), position)
+        holder.bind(getItem(position))
     }
 
 }
@@ -47,17 +53,9 @@ class FeaturedViewHolder(
     private val binding: FeaturedItemBinding
 ) : RecyclerView.ViewHolder(binding.root) {
 
-    fun bind(course: Course, position: Int) {
+    fun bind(course: Course) {
         binding.run {
             this.course = course
-            Glide.with(courseImage)
-                .load("https://source.unsplash.com/collection/369966/?$position")
-                .placeholder(R.drawable.course_image_placeholder)
-                .into(courseImage)
-            Glide.with(courseInstructor)
-                .load("https://i.pravatar.cc/56?$position")
-                .circleCrop()
-                .into(courseInstructor)
             executePendingBindings()
         }
     }