fix: image inside list flushes when loading more or in other situations

doric-android/doric/src/main/java/pub/doric/shader/ImageNode.java

@@ -94,7 +94,7 @@ public class ImageNode extends ViewNode<ImageView> {
     private JSObject stretchInset = null;
     private float imageScale = DoricUtils.getScreenScale();
     private Animatable2Compat.AnimationCallback animationCallback = null;
-    private int scaleType = 0;
+    private int scaleType = 2;
 
     public ImageNode(DoricContext doricContext) {
         super(doricContext);
@@ -170,9 +170,11 @@ public class ImageNode extends ViewNode<ImageView> {
             if (loadCallback.isString()) {
                 this.loadCallbackId = loadCallback.asString().value();
             }
-
         }
         super.blend(jsObject);
+        if (scaleType == 2 && mView.getScaleType() != ImageView.ScaleType.CENTER_CROP) {
+            mView.setScaleType(ImageView.ScaleType.CENTER_CROP);
+        }
     }
 
     private Drawable getPlaceHolderDrawable() {
@@ -292,16 +294,20 @@ public class ImageNode extends ViewNode<ImageView> {
                                     }
                                 }));
             }
-            Drawable placeHolderDrawable = getPlaceHolderDrawable();
+            Drawable placeHolderDrawable = null;
-
+            if (mView.getDrawable() != null) {
+                placeHolderDrawable = mView.getDrawable();
+            } else {
+                placeHolderDrawable = getPlaceHolderDrawable();
+            }
             if (placeHolderDrawable != null) {
                 requestBuilder = requestBuilder.apply(RequestOptions.placeholderOf(placeHolderDrawable));
             }
-
             Drawable errorDrawable = getErrorDrawable();
-            if (errorDrawable != null) {
+            if (errorDrawable == null) {
-                requestBuilder = requestBuilder.apply(RequestOptions.errorOf(errorDrawable));
+                errorDrawable = new ColorDrawable(Color.TRANSPARENT);
             }
+            requestBuilder = requestBuilder.apply(RequestOptions.errorOf(errorDrawable));
         } catch (Throwable e) {
             e.printStackTrace();
             DoricLog.e("ImageNode blend error, please check the glide version");
@@ -424,6 +430,7 @@ public class ImageNode extends ViewNode<ImageView> {
                         public void onError(Throwable t) {
                             t.printStackTrace();
                             DoricLog.e("Cannot load resource %s,  %s", resource.toString(), t.getLocalizedMessage());
+                            view.setImageDrawable(null);
                         }
 
                         @Override
@@ -575,8 +582,7 @@ public class ImageNode extends ViewNode<ImageView> {
     @Override
     protected void reset() {
         super.reset();
-        mView.setImageDrawable(null);
+        scaleType = 2;
-        mView.setScaleType(ImageView.ScaleType.CENTER_CROP);
         loadCallbackId = "";
         isBlur = false;
         placeHolderImage = null;

doric-android/doric/src/main/java/pub/doric/shader/flowlayout/FlowLayoutItemNode.java

@@ -23,6 +23,7 @@ import com.github.pengfeizhou.jscore.JSValue;
 import pub.doric.DoricContext;
 import pub.doric.extension.bridge.DoricPlugin;
 import pub.doric.shader.StackNode;
+import pub.doric.shader.SuperNode;
 
 /**
  * @Description: com.github.penfeizhou.doric.widget
@@ -35,6 +36,11 @@ public class FlowLayoutItemNode extends StackNode {
 
     public FlowLayoutItemNode(DoricContext doricContext) {
         super(doricContext);
+    }
+
+    @Override
+    public void init(SuperNode<?> superNode) {
+        super.init(superNode);
         this.mReusable = true;
     }
 

doric-android/doric/src/main/java/pub/doric/shader/list/ListItemNode.java

@@ -23,6 +23,7 @@ import com.github.pengfeizhou.jscore.JSValue;
 import pub.doric.DoricContext;
 import pub.doric.extension.bridge.DoricPlugin;
 import pub.doric.shader.StackNode;
+import pub.doric.shader.SuperNode;
 
 /**
  * @Description: com.github.penfeizhou.doric.widget
@@ -35,6 +36,11 @@ public class ListItemNode extends StackNode {
 
     public ListItemNode(DoricContext doricContext) {
         super(doricContext);
+    }
+
+    @Override
+    public void init(SuperNode<?> superNode) {
+        super.init(superNode);
         this.mReusable = true;
     }
 

doric-android/doric/src/main/java/pub/doric/shader/list/ListNode.java

@@ -168,7 +168,8 @@ public class ListNode extends SuperNode<RecyclerView> implements IDoricScrollabl
     @Override
     public void blend(JSObject jsObject) {
         super.blend(jsObject);
-        if (jsObject.propertySet().size() > 1 || !jsObject.propertySet().contains("subviews")) {
+        int limit = jsObject.propertySet().contains("loadMoreView") ? 2 : 1;
+        if (jsObject.propertySet().size() > limit || !jsObject.propertySet().contains("subviews")) {
             if (mView != null) {
                 mView.post(new Runnable() {
                     @SuppressLint("NotifyDataSetChanged")

doric-android/doric/src/main/java/pub/doric/shader/slider/SlideItemNode.java

@@ -24,6 +24,7 @@ import com.github.pengfeizhou.jscore.JSValue;
 import pub.doric.DoricContext;
 import pub.doric.extension.bridge.DoricPlugin;
 import pub.doric.shader.StackNode;
+import pub.doric.shader.SuperNode;
 
 /**
  * @Description: com.github.penfeizhou.doric.widget
@@ -36,7 +37,12 @@ public class SlideItemNode extends StackNode {
 
     public SlideItemNode(DoricContext doricContext) {
         super(doricContext);
-        this.mReusable = true;
+    }
+
+    @Override
+    public void init(SuperNode<?> superNode) {
+        super.init(superNode);
+        mReusable = true;
     }
 
     @Override

doric-iOS/Pod/Classes/Resource/DoricBundleResource.m

@@ -25,7 +25,13 @@ @implementation DoricBundleResource
     NSString *path = [self.bundle bundlePath];
     NSString *fullPath = [path stringByAppendingPathComponent:self.identifier];
     NSData *imgData = [[NSData alloc] initWithContentsOfFile:fullPath];
+    if (imgData) {
         [result setupResult:imgData];
+    } else {
+        [result setupError:[NSException exceptionWithName:@"ResourceLoadError"
+                                                   reason:@"Load resource error"
+                                                 userInfo:nil]];
+    }
     return result;
 }
 @end

doric-iOS/Pod/Classes/Shader/DoricImageNode.m

@@ -92,6 +92,7 @@ @interface DoricImageNode ()
 @implementation DoricImageNode
 
 - (UIImageView *)build {
+    self.scaleType = 2;
     self.imageScale = UIScreen.mainScreen.scale;
     return [[DoricImageView new] also:^(UIImageView *it) {
         it.clipsToBounds = YES;
@@ -125,9 +126,15 @@ - (void)blend:(NSDictionary *)props {
         self.loadCallbackId = it;
     }];
     [super blend:props];
+    if(self.scaleType == 2 && self.view.contentMode != UIViewContentModeScaleAspectFill) {
+        self.view.contentMode = UIViewContentModeScaleAspectFill;
+    }
 }
 
 - (UIImage *)currentPlaceHolderImage {
+    if (self.view.image) {
+        return self.view.image;
+    }
     if (self.placeHolderImage) {
         return [UIImage imageNamed:self.placeHolderImage];
     }
@@ -156,7 +163,7 @@ - (UIImage *)currentPlaceHolderImage {
         UIColor *color = DoricColor(self.placeHolderColor);
         CGRect rect = CGRectMake(0, 0, 1, 1);
         self.view.contentMode = UIViewContentModeScaleToFill;
-
+        self.scaleType = 0;
         if (@available(iOS 10.0, *)) {
             UIGraphicsImageRendererFormat *format = [[UIGraphicsImageRendererFormat alloc] init];
             format.scale = [UIScreen mainScreen].scale;
@@ -212,7 +219,7 @@ - (UIImage *)currentErrorImage {
         UIColor *color = DoricColor(self.errorColor);
         CGRect rect = CGRectMake(0, 0, 1, 1);
         self.view.contentMode = UIViewContentModeScaleToFill;
-
+        self.scaleType = 0;
         if (@available(iOS 10.0, *)) {
             UIGraphicsImageRendererFormat *format = [[UIGraphicsImageRendererFormat alloc] init];
             format.scale = [UIScreen mainScreen].scale;
@@ -236,7 +243,36 @@ - (UIImage *)currentErrorImage {
             return image;
         }
     }
-    return self.doricContext.driver.registry.defaultErrorImage;
+    UIImage *image = self.doricContext.driver.registry.defaultErrorImage;
+    if (!image) {
+        UIColor *color = UIColor.clearColor;
+        CGRect rect = CGRectMake(0, 0, 1, 1);
+        self.view.contentMode = UIViewContentModeScaleToFill;
+        self.scaleType = 0;
+        if (@available(iOS 10.0, *)) {
+            UIGraphicsImageRendererFormat *format = [[UIGraphicsImageRendererFormat alloc] init];
+            format.scale = [UIScreen mainScreen].scale;
+            UIGraphicsImageRenderer *render = [[UIGraphicsImageRenderer alloc] initWithSize:rect.size format:format];
+            UIImage *image = [render imageWithActions:^(UIGraphicsImageRendererContext *_Nonnull rendererContext) {
+                CGContextRef context = rendererContext.CGContext;
+
+                CGContextSetFillColorWithColor(context, color.CGColor);
+                CGContextFillRect(context, rect);
+            }];
+            return image;
+        } else {
+            UIGraphicsBeginImageContextWithOptions(rect.size, NO, [UIScreen mainScreen].scale);
+
+            CGContextRef context = UIGraphicsGetCurrentContext();
+            CGContextSetFillColorWithColor(context, color.CGColor);
+            CGContextFillRect(context, rect);
+
+            UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
+            UIGraphicsEndImageContext();
+            return image;
+        }
+    }
+    return image;
 }
 
 - (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id)prop {
@@ -287,6 +323,7 @@ - (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id
         }];
         [asyncResult setExceptionCallback:^(NSException *e) {
             DoricLog(@"Cannot load resource %@, %@", prop, e.reason);
+            self.view.image = nil;
         }];
     } else if ([@"imageUrl" isEqualToString:name]) {
         __weak typeof(self) _self = self;
@@ -712,7 +749,7 @@ - (void)stopAnimating {
 
 - (void)reset {
     [super reset];
-    self.view.image = nil;
+    self.scaleType = 2;
     self.loadCallbackId = nil;
     self.placeHolderColor = nil;
     self.placeHolderImage = nil;
@@ -722,7 +759,6 @@ - (void)reset {
     self.errorImageBase64 = nil;
     self.imageScale = UIScreen.mainScreen.scale;
     self.blurEffectView = nil;
-    self.view.contentMode = UIViewContentModeScaleAspectFill;
     if (self.animationEndCallbackId) {
 #if DORIC_USE_YYWEBIMAGE
         [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentIsPlayingAnimation" context:nil];