Feature: Add clear image cache from memory and disk

DylanVann · Jun 20, 2020 · 1912be0 · 1912be0
1 parent 432d01d
commit 1912be0
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Showing 4 changed files with 52 additions and 1 deletion.
diff --git a/android/src/main/java/com/dylanvann/fastimage/FastImageViewModule.java b/android/src/main/java/com/dylanvann/fastimage/FastImageViewModule.java
@@ -4,6 +4,7 @@
 
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.model.GlideUrl;
+import com.facebook.react.bridge.Promise;
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
@@ -53,4 +54,33 @@ public void run() {
             }
         });
     }
+
+    @ReactMethod
+    public void clearMemoryCache(final Promise promise) {
+        final Activity activity = getCurrentActivity();
+        if (activity == null) {
+            promise.resolve(null);
+            return;
+        }
+
+        activity.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                Glide.get(activity.getApplicationContext()).clearMemory();
+                promise.resolve(null);
+            }
+        });
+    }
+
+    @ReactMethod
+    public void clearDiskCache(Promise promise) {
+        final Activity activity = getCurrentActivity();
+        if (activity == null) {
+            promise.resolve(null);
+            return;
+        }
+
+        Glide.get(activity.getApplicationContext()).clearDiskCache();
+        promise.resolve(null);
+    }
 }
diff --git a/ios/FastImage/FFFastImageViewManager.m b/ios/FastImage/FFFastImageViewManager.m
@@ -1,6 +1,7 @@
 #import "FFFastImageViewManager.h"
 #import "FFFastImageView.h"
 
+#import <SDWebImage/SDImageCache.h>
 #import <SDWebImage/SDWebImagePrefetcher.h>
 
 @implementation FFFastImageViewManager
@@ -34,5 +35,17 @@ - (FFFastImageView*)view {
     [[SDWebImagePrefetcher sharedImagePrefetcher] prefetchURLs:urls];
 }
 
-@end
+RCT_EXPORT_METHOD(clearMemoryCache:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
+{
+    [SDImageCache.sharedImageCache clearMemory];
+    resolve(NULL);
+}
+
+RCT_EXPORT_METHOD(clearDiskCache:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
+{
+    [SDImageCache.sharedImageCache clearDiskOnCompletion:^(){
+        resolve(NULL);
+    }];
+}
 
+@end
diff --git a/src/index.js.flow b/src/index.js.flow
@@ -68,4 +68,6 @@ declare export default class FastImage extends React$Component<FastImageProps> {
     static priority: Priority;
     static cacheControl: CacheControl;
     static preload: PreloadFn;
+    static clearMemoryCache: () => Promise<void>;
+    static clearDiskCache: () => Promise<void>;
 }
diff --git a/src/index.tsx b/src/index.tsx
@@ -197,6 +197,8 @@ interface FastImageStaticProperties {
     priority: typeof priority
     cacheControl: typeof cacheControl
     preload: (sources: Source[]) => void
+    clearMemoryCache: () => Promise<void>
+    clearDiskCache: () => Promise<void>
 }
 
 const FastImage: React.ComponentType<FastImageProps> &
@@ -211,6 +213,10 @@ FastImage.priority = priority
 FastImage.preload = (sources: Source[]) =>
     FastImageViewNativeModule.preload(sources)
 
+FastImage.clearMemoryCache = () => FastImageViewNativeModule.clearMemoryCache()
+
+FastImage.clearDiskCache = () => FastImageViewNativeModule.clearDiskCache()
+
 const styles = StyleSheet.create({
     imageContainer: {
         overflow: 'hidden',