View Binder Support (#1175)

* Initial addition of view binder classes

* Hook up visibility tracking
Add view binder to kotlin sample

* EpoxyViewBinder update - add epoxyView / optionalEpoxyView to ViewGroup (#1165)

* Add epoxyView shortcut to ViewGroup

* Add optionalEpoxyView for activity and view (with a minor refactor for less copy/paste)

* switch to `androidx.core.app.ComponentActivity`

Co-authored-by: Emmanuel Boudrant <eboudrant@netflix.com>

* [View Binder] Add visibility tracker tests and API tweaks (#1168)

* Add view binder visibility tests

* Add basic unit tests for the view binder

* Gradle clean up

* Can't use ComponentActivity directly with the current dependency version

Co-authored-by: Peter Elliott <peter.elliott@airbnb.com>

* Set packageid to com.airbnb.epoxy.viewbinder (#1172)

* package="com.airbnb.epoxy.viewbinder"

* import com.airbnb.epoxy.viewbinder.R

* Doc cleanup and refactors for line length

* Move some extension functions to new file
Some documentation tweaks

* Add tests
Add try/catch and fix up dependencies

* Fix dependency mismatch
Add newline

* Add model update test

* Apply suggestions from code review

Co-authored-by: Eli Hart <eli.hart@airbnb.com>

* Convert to ModelCollector
Add exception handler
Misc improvements based on PR comments

* Fix comment and lint failures

* Don't use debugImplementation as CI runs release tests

* Fix tests due to model collector swap

Co-authored-by: Peter Elliott <peter.elliott@airbnb.com>
Co-authored-by: Emmanuel Boudrant <emmanuel.boudrant@gmail.com>
Co-authored-by: Emmanuel Boudrant <eboudrant@netflix.com>
Co-authored-by: Eli Hart <eli.hart@airbnb.com>

blessedDeps.gradle

@@ -19,6 +19,9 @@ rootProject.ext.ANDROIDX_RECYCLERVIEW = "1.1.0"
 rootProject.ext.ANDROIDX_MATERIAL = "1.0.0"
 rootProject.ext.ANDROIDX_APPCOMPAT = "1.0.0"
 rootProject.ext.ANDROIDX_CARDVIEW = "1.0.0"
+rootProject.ext.ANDROIDX_CORE_KTX = "1.0.0"
+rootProject.ext.ANDROIDX_ESPRESSO_CORE = "3.3.0"
+rootProject.ext.ANDROIDX_FRAGMENT_TESTING= "1.3.3"
 rootProject.ext.ANDROIDX_LEGACY = "1.0.0"
 rootProject.ext.ANDROIDX_PAGING = "2.0.0"
 rootProject.ext.ANDROIDX_PAGING3 = "3.0.0-alpha13"
@@ -42,7 +45,7 @@ rootProject.ext.ASSERTJ_VERSION = "1.7.1"
 rootProject.ext.GOOGLE_TESTING_COMPILE_VERSION = "0.19"
 rootProject.ext.JUNIT_VERSION = "4.13.1"
 rootProject.ext.MOCKITO_VERSION = "3.7.7"
-rootProject.ext.ROBOLECTRIC_VERSION = "4.4"
+rootProject.ext.ROBOLECTRIC_VERSION = "4.5.1"
 
 rootProject.ext.LOTTIE_VERSION = "2.8.0"
 
@@ -61,7 +64,10 @@ rootProject.ext.deps = [
     androidRuntime         : "com.google.android:android:$ANDROID_RUNTIME_VERSION",
     androidAppcompat       : "androidx.appcompat:appcompat:$ANDROIDX_APPCOMPAT",
     androidCardView        : "androidx.cardview:cardview:$ANDROIDX_CARDVIEW",
+    androidCoreKtx         : "androidx.core:core-ktx:$ANDROIDX_CORE_KTX",
     androidDesignLibrary   : "com.google.android.material:material:$ANDROIDX_MATERIAL",
+    androidEspressoCore    : "androidx.test.espresso:espresso-core:$ANDROIDX_ESPRESSO_CORE",
+    androidFragmentTesting : "androidx.fragment:fragment-testing:$ANDROIDX_FRAGMENT_TESTING",
     androidRecyclerView    : "androidx.recyclerview:recyclerview:$ANDROIDX_RECYCLERVIEW",
     androidPagingComponent : "androidx.paging:paging-runtime:$ANDROIDX_PAGING",
     androidPaging3Component: "androidx.paging:paging-runtime:$ANDROIDX_PAGING3",

epoxy-integrationtest/build.gradle

@@ -42,12 +42,15 @@ android {
 
 dependencies {
   implementation rootProject.deps.kotlin
-  implementation rootProject.deps.androidRecyclerView
+  implementation rootProject.deps.androidAppcompat
+  implementation rootProject.deps.androidFragmentTesting
   implementation rootProject.deps.androidPagingComponent
+  implementation rootProject.deps.androidRecyclerView
   implementation project(':epoxy-adapter')
   implementation project(':epoxy-annotations')
   implementation project(':epoxy-databinding')
   implementation project(':epoxy-paging')
+  implementation project(':epoxy-viewbinder')
 
   kapt project(':epoxy-processor')
 
@@ -57,9 +60,7 @@ dependencies {
   testImplementation rootProject.deps.mockito_inline
   testImplementation rootProject.deps.androidTestCore
   testImplementation rootProject.deps.androidTestExtJunitKtx
-  testImplementation('androidx.test.espresso:espresso-core:3.1.0-alpha2', {
-    exclude group: 'com.android.support', module: 'support-annotations'
-  })
+  testImplementation rootProject.deps.androidEspressoCore
 }
 
 repositories {

epoxy-integrationtest/src/main/java/com/airbnb/epoxy/integrationtest/Model.java

@@ -6,6 +6,8 @@
 import com.airbnb.epoxy.EpoxyModel;
 import com.airbnb.epoxy.EpoxyModelClass;
 
+import androidx.annotation.NonNull;
+
 @EpoxyModelClass
 public abstract class Model extends EpoxyModel<TextView> {
   @EpoxyAttribute public int value;
@@ -14,4 +16,9 @@ public abstract class Model extends EpoxyModel<TextView> {
   protected int getDefaultLayout() {
     return R.layout.model_with_click_listener;
   }
+
+  @Override
+  public void bind(@NonNull TextView view) {
+    view.setText(String.valueOf(value));
+  }
 }

epoxy-integrationtest/src/main/java/com/airbnb/epoxy/integrationtest/TestActivity.kt

@@ -1,8 +1,8 @@
 package com.airbnb.epoxy.integrationtest
 
-import android.app.Activity
+import androidx.appcompat.app.AppCompatActivity
 
 /**
  * Empty activity used for view testing.
  */
-class TestActivity : Activity()
+class TestActivity : AppCompatActivity()