Set up Fresco in sample app

Summary:
This looks bad. There are two things I want to follow up on in future
diffs before landing this:

- Make loading the image conditional by adding another button.
- Add a default constructor to the plugin that avoids this crazy bit of boilerplate.

Reviewed By: oprisnik

Differential Revision: D14165569

fbshipit-source-id: 25c5fbaee32e72c6469979cda694cc9f13a92166

android/sample/build.gradle

@@ -7,7 +7,7 @@ android {
         minSdkVersion rootProject.minSdkVersion
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
         applicationId 'com.facebook.flipper.sample'
-        targetSdkVersion 24
+        targetSdkVersion 28
     }
 
     lintOptions {
@@ -29,11 +29,21 @@ dependencies {
     implementation deps.lithoCore
     implementation deps.lithoWidget
     implementation deps.lithoAnnotations
+    // TODO(T40752310): Temporary while we depend on the jitpack artifact with a different group.
+    implementation(deps.lithoFresco) {
+        exclude group: 'com.facebook.fresco'
+    }
     annotationProcessor deps.lithoProcessor
 
     // Third-party
     implementation deps.soloader
     implementation deps.okhttp3
+    // TODO(T40752310): Temporary till Fresco has a stable release.
+    implementation('com.github.facebook:fresco:0ff379c262') {
+        exclude group: 'com.squareup.okhttp3'
+        exclude group: 'com.github.facebook.fresco', module: 'animated-base-test'
+        exclude group: 'com.github.facebook.fresco', module: 'imagepipeline-test'
+    }
 
     // Integration test
     androidTestImplementation deps.testCore

android/sample/src/main/java/com/facebook/flipper/sample/FlipperSampleApplication.java

@@ -9,10 +9,16 @@ package com.facebook.flipper.sample;
 import android.app.Application;
 import android.content.Context;
 import androidx.annotation.Nullable;
+import com.facebook.common.memory.manager.NoOpDebugMemoryManager;
+import com.facebook.drawee.backends.pipeline.Fresco;
 import com.facebook.flipper.android.AndroidFlipperClient;
+import com.facebook.flipper.core.FlipperArray;
 import com.facebook.flipper.core.FlipperClient;
+import com.facebook.flipper.perflogger.NoOpFlipperPerfLogger;
 import com.facebook.flipper.plugins.crashreporter.CrashReporterPlugin;
 import com.facebook.flipper.plugins.example.ExampleFlipperPlugin;
+import com.facebook.flipper.plugins.fresco.FrescoFlipperPlugin;
+import com.facebook.flipper.plugins.fresco.objecthelper.FlipperObjectHelper;
 import com.facebook.flipper.plugins.inspector.DescriptorMapping;
 import com.facebook.flipper.plugins.inspector.InspectorFlipperPlugin;
 import com.facebook.flipper.plugins.leakcanary.LeakCanaryFlipperPlugin;
@@ -21,6 +27,7 @@ import com.facebook.flipper.plugins.network.FlipperOkhttpInterceptor;
 import com.facebook.flipper.plugins.network.NetworkFlipperPlugin;
 import com.facebook.flipper.plugins.sharedpreferences.SharedPreferencesFlipperPlugin;
 import com.facebook.flipper.plugins.sharedpreferences.SharedPreferencesFlipperPlugin.SharedPreferencesDescriptor;
+import com.facebook.imagepipeline.debug.FlipperImageTracker;
 import com.facebook.litho.config.ComponentsConfiguration;
 import com.facebook.soloader.SoLoader;
 import java.util.Arrays;
@@ -35,6 +42,7 @@ public class FlipperSampleApplication extends Application {
   public void onCreate() {
     super.onCreate();
     SoLoader.init(this, false);
+    Fresco.initialize(this);
 
     final FlipperClient client = AndroidFlipperClient.getInstance(this);
     final DescriptorMapping descriptorMapping = DescriptorMapping.withDefaults();
@@ -63,6 +71,19 @@ public class FlipperSampleApplication extends Application {
                 new SharedPreferencesDescriptor("sample", Context.MODE_PRIVATE),
                 new SharedPreferencesDescriptor("other_sample", Context.MODE_PRIVATE))));
     client.addPlugin(new LeakCanaryFlipperPlugin());
+    client.addPlugin(
+        new FrescoFlipperPlugin(
+            new FlipperImageTracker(),
+            Fresco.getImagePipelineFactory().getPlatformBitmapFactory(),
+            new FlipperObjectHelper() {
+              @Override
+              public FlipperArray fromCallerContext(Object callerContext) {
+                return null;
+              }
+            },
+            new NoOpDebugMemoryManager(),
+            new NoOpFlipperPerfLogger(),
+            null));
     client.addPlugin(new ExampleFlipperPlugin());
     client.addPlugin(CrashReporterPlugin.getInstance());
     client.start();

android/sample/src/main/java/com/facebook/flipper/sample/RootComponentSpec.java

@@ -9,6 +9,8 @@ package com.facebook.flipper.sample;
 
 import android.content.Intent;
 import android.util.Log;
+import com.facebook.drawee.backends.pipeline.Fresco;
+import com.facebook.drawee.interfaces.DraweeController;
 import com.facebook.flipper.android.AndroidFlipperClient;
 import com.facebook.flipper.android.diagnostics.FlipperDiagnosticActivity;
 import com.facebook.flipper.core.FlipperClient;
@@ -21,6 +23,7 @@ import com.facebook.litho.ComponentContext;
 import com.facebook.litho.annotations.LayoutSpec;
 import com.facebook.litho.annotations.OnCreateLayout;
 import com.facebook.litho.annotations.OnEvent;
+import com.facebook.litho.fresco.FrescoImage;
 import com.facebook.litho.widget.Text;
 import java.io.IOException;
 import okhttp3.Call;
@@ -35,6 +38,8 @@ public class RootComponentSpec {
 
   @OnCreateLayout
   static Component onCreateLayout(final ComponentContext c) {
+    final DraweeController controller =
+        Fresco.newDraweeControllerBuilder().setUri("https://fbflipper.com/img/icon.png").build();
     return Column.create(c)
         .child(
             Text.create(c)
@@ -60,6 +65,7 @@ public class RootComponentSpec {
                 .key("3")
                 .textSizeSp(20)
                 .clickHandler(RootComponent.openDiagnostics(c)))
+        .child(FrescoImage.create(c).controller(controller))
         .build();
   }
 

android/src/main/java/com/facebook/flipper/plugins/fresco/objecthelper/FlipperObjectHelper.java

@@ -210,5 +210,6 @@ public abstract class FlipperObjectHelper {
     return builder.build();
   }
 
+  @Nullable
   public abstract FlipperArray fromCallerContext(@Nullable Object callerContext);
 }