Add version info to About screen

feature/about/src/main/java/com/jraska/github/client/about/AboutActivity.kt

@@ -35,6 +35,7 @@ internal class AboutActivity : BaseActivity() {
   private fun createModels(): List<EpoxyModel<*>>? {
     return listOf(
       DescriptionModel(viewModel::onProjectDescriptionClick),
+      VersionInfoModel(),
       IconModel(viewModel::onGithubClick, R.drawable.ic_github_about_48dp, R.string.about_github_description),
       IconModel(viewModel::onWebClick, R.drawable.ic_web_48dp, R.string.about_web_description),
       IconModel(viewModel::onMediumClick, R.drawable.ic_medium_48dp, R.string.about_medium_description),

feature/about/src/main/java/com/jraska/github/client/about/VersionInfoModel.kt

@@ -0,0 +1,25 @@
+package com.jraska.github.client.about
+
+import android.view.View
+import android.widget.TextView
+import androidx.core.content.pm.PackageInfoCompat
+import com.airbnb.epoxy.SimpleEpoxyModel
+
+internal class VersionInfoModel : SimpleEpoxyModel(R.layout.about_item_version) {
+  override fun bind(view: View) {
+    super.bind(view)
+
+    val context = view.context
+
+    val buildTypeText = context.getString(R.string.about_version_build_type, BuildConfig.BUILD_TYPE)
+    view.findViewById<TextView>(R.id.version_build_type).text = buildTypeText
+
+    val packageInfo = context.packageManager.getPackageInfo(context.packageName, 0)
+    val versionText = context.getString(R.string.about_version_name_and_code, packageInfo.versionName, PackageInfoCompat.getLongVersionCode(packageInfo))
+    view.findViewById<TextView>(R.id.version_name_and_code).text = versionText
+  }
+
+  override fun getSpanSize(totalSpanCount: Int, position: Int, itemCount: Int): Int {
+    return totalSpanCount
+  }
+}

feature/about/src/main/res/layout/about_item_version.xml

@@ -0,0 +1,31 @@
+<?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="wrap_content"
+  android:background="@android:drawable/list_selector_background"
+  android:orientation="vertical"
+  >
+
+  <TextView
+    android:id="@+id/version_name_and_code"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center"
+    android:text="@string/about_app_name"
+    android:textColor="@color/textMain"
+    android:textSize="@dimen/textMain"
+    />
+
+  <TextView
+    android:id="@+id/version_build_type"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center"
+    android:textColor="@color/textMain"
+    android:textSize="@dimen/textMain"
+    tools:text="Build type: release"
+    />
+
+</LinearLayout>

feature/about/src/main/res/values/strings.xml

@@ -7,4 +7,7 @@
   <string name="about_web_description">Go to Website</string>
   <string name="about_medium_description">Go to Medium</string>
   <string name="about_twitter_description">Go to Twitter</string>
+
+  <string name="about_version_name_and_code">Version %s (%d)</string>
+  <string name="about_version_build_type">Build type: %s</string>
 </resources>