[ADDED] [#102] Menu item to go directly to resources.

Author: hossain-khan

.idea/assetWizardSettings.xml

@@ -205,8 +205,8 @@ class LayoutDataStore @Inject constructor(
             LayoutInformation(
                     layoutResourceId = R.layout.activity_learning_resource,
                     thumbnailResourceId = R.drawable.ic_book_128dp,
-                    title = "Resources",
-                    description = "XYZ")
+                    title = "Additional Resources: Tech Talks & Blogs",
+                    description = "External resources on constraint layout. Tech talks on YouTube or blogs.")
 
 
             /*

app/src/main/java/com/hossainkhan/android/demo/data/LayoutDataStore.kt

@@ -20,6 +20,18 @@ import com.google.firebase.Timestamp
 import java.util.*
 
 
+/**
+ * External resource info.
+ *
+ * Example:
+ * - author: Nicolas Roard & John Hoford
+ * - event: Google I/O'19
+ * - publish_date: 9 May 2019
+ * - summary: Learn the capabilities of ConstraintLayout
+ * - title: What's New in ConstraintLayout
+ * - type: techtalk
+ * - url: https://www.youtube.com/watch?v=29gLA90m6Gk
+ */
 data class ResourceInfo(
         var author: String = "",
         var summary: String = "",

app/src/main/java/com/hossainkhan/android/demo/data/ResourceInfo.kt

@@ -17,7 +17,10 @@
 package com.hossainkhan.android.demo.ui.browse
 
 import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.NavUtils
 import androidx.lifecycle.ViewModelProviders
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
@@ -69,4 +72,30 @@ class LayoutBrowseActivity : AppCompatActivity() {
             adapter = viewAdapter
         }
     }
+
+    //
+    // Setup menu item on the action bar.
+    //
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        val inflater = menuInflater
+        inflater.inflate(R.menu.menu_layout_browse, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            R.id.show_external_resource -> {
+                viewModel.onExternalResourceSelected()
+                true
+            }
+            android.R.id.home -> {
+                // Respond to the action bar's Up/Home button
+                // https://developer.android.com/training/implementing-navigation/ancestral
+                NavUtils.navigateUpFromSameTask(this)
+                return true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
 }

app/src/main/java/com/hossainkhan/android/demo/data/Timestamp.kt

@@ -89,4 +89,8 @@ class LayoutBrowseViewModel @Inject constructor(
         }
 
     }
+
+    fun onExternalResourceSelected() {
+        browseNavigator.loadActivity(LearningResourceActivity::class.java)
+    }
 }

app/src/main/java/com/hossainkhan/android/demo/ui/browse/LayoutBrowseActivity.kt

@@ -0,0 +1,25 @@
+<!--
+  ~ Copyright (c) 2019 Hossain Khan
+  ~
+  ~ 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
+  ~
+  ~     http://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.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="@color/md_grey_300"
+        android:pathData="M21,3L3,3c-1.11,0 -2,0.89 -2,2v12c0,1.1 0.89,2 2,2h5v2h8v-2h5c1.1,0 1.99,-0.9 1.99,-2L23,5c0,-1.11 -0.9,-2 -2,-2zM21,17L3,17L3,5h18v12zM16,11l-7,4L9,7z"/>
+</vector>

app/src/main/java/com/hossainkhan/android/demo/ui/browse/LayoutBrowseViewModel.kt

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2019 Hossain Khan
+  ~
+  ~ 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
+  ~
+  ~     http://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.
+  -->
+
+<menu 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">
+
+    <item
+        android:id="@+id/show_external_resource"
+        android:icon="@drawable/ic_ondemand_video_black_24dp"
+        android:title="@string/btn_cta_external_resource"
+        android:visible="true"
+        app:showAsAction="always"
+        tools:targetApi="o" />
+</menu>

app/src/main/res/drawable/ic_ondemand_video_black_24dp.xml

@@ -2,6 +2,7 @@
     <string name="app_name">ConstraintLayout Demo</string>
     <string name="btn_cta_okay">OK</string>
     <string name="btn_cta_information">Info</string>
+    <string name="btn_cta_external_resource">Resources</string>
     <string name="btn_cta_preview_layout_xml">Preview XML</string>