Added new Vito ImagePipeline API to evict an image

Reviewed By: kartavya-ramnani

Differential Revision: D65601111

fbshipit-source-id: 8f1fa93bd05d78dcd04a11217b7c1d3ae00f0448

samples/showcase/src/main/java/com/facebook/fresco/samples/showcase/vito/VitoViewPrefetchFragment.kt

@@ -19,6 +19,7 @@ import com.facebook.fresco.samples.showcase.misc.ImageUriProvider
 import com.facebook.fresco.vito.options.ImageOptions
 import com.facebook.fresco.vito.options.RoundingOptions
 import com.facebook.fresco.vito.provider.FrescoVitoProvider
+import com.facebook.fresco.vito.source.ImageSourceProvider
 import com.facebook.fresco.vito.view.VitoView
 
 class VitoViewPrefetchFragment : BaseShowcaseFragment() {
@@ -42,6 +43,9 @@ class VitoViewPrefetchFragment : BaseShowcaseFragment() {
   private val buttonClearCache
     get() = binding.buttonClearCache
 
+  private val buttonClearCacheSingleItem
+    get() = binding.buttonClearCacheSingleItem
+
   private val imageOptions =
       ImageOptions.create()
           .round(RoundingOptions.asCircle())
@@ -87,6 +91,12 @@ class VitoViewPrefetchFragment : BaseShowcaseFragment() {
     }
 
     buttonClearCache.setOnClickListener { Fresco.getImagePipeline().clearCaches() }
+    buttonClearCacheSingleItem.setOnClickListener {
+      FrescoVitoProvider.getImagePipeline()
+          .evictFromCaches(
+              FrescoVitoProvider.getImagePipeline()
+                  .createImageRequest(resources, ImageSourceProvider.forUri(uri), imageOptions))
+    }
   }
 
   override fun onDestroyView() {

samples/showcase/src/main/res/layout/fragment_vito_view_prefetch.xml

@@ -45,15 +45,22 @@
       android:layout_width="match_parent" android:layout_height="wrap_content"
       android:orientation="horizontal" android:gravity="center"
       >
-
     <Button
         android:id="@+id/button_toggle_images" android:layout_width="wrap_content"
         android:layout_height="wrap_content" android:text="@string/button_toggle_images"
         />
+  </LinearLayout>
 
+  <LinearLayout
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content" android:orientation="horizontal" android:gravity="center">
     <Button
         android:id="@+id/button_clear_cache" android:layout_width="wrap_content"
         android:layout_height="wrap_content" android:text="@string/button_clear_cache"
         />
+    <Button
+        android:id="@+id/button_clear_cache_single_item" android:layout_width="wrap_content"
+        android:layout_height="wrap_content" android:text="@string/button_clear_cache_single_item"
+        />
   </LinearLayout>
 </LinearLayout>

samples/showcase/src/main/res/values/strings.xml

@@ -171,7 +171,8 @@
   <string name="welcome_button_github">GitHub</string>
   <string name="welcome_button_doc">Documentation</string>
 
-  <string name="button_clear_cache">Clear Cache</string>
+  <string name="button_clear_cache">Clear Cache (all)</string>
+  <string name="button_clear_cache_single_item">Clear Cache (single item)</string>
   <string name="button_prefetch_disk">Prefetch Disk</string>
   <string name="button_prefetch_encoded">Prefetch Encoded</string>
   <string name="button_prefetch_bitmap">Prefetch Bitmap</string>

vito/core-java-impl/src/main/java/com/facebook/fresco/vito/core/impl/VitoImagePipelineImpl.kt

@@ -163,6 +163,11 @@ class VitoImagePipelineImpl(
     }
   }
 
+  override fun evictFromCaches(imageRequest: VitoImageRequest) {
+    val uri = imageRequest.finalImageRequest?.sourceUri ?: return
+    imagePipeline.evictFromCache(uri)
+  }
+
   private fun experimentalDynamicSizeVito2(): Boolean = config.experimentalDynamicSizeVito2()
 
   private fun experimentalDynamicSizeWithCacheFallbackVito2(): Boolean =

vito/core/src/main/java/com/facebook/fresco/vito/core/VitoImagePipeline.kt

@@ -59,4 +59,9 @@ interface VitoImagePipeline {
   ): Boolean {
     throw UnsupportedOperationException("Not implemented yet")
   }
+
+  /** Remove an image from all disk & memory caches. */
+  fun evictFromCaches(imageRequest: VitoImageRequest) {
+    throw UnsupportedOperationException("Method not implemented: evictFromCaches")
+  }
 }