Fix animation needlayout (#2585)

* [iOS] Fix bug that 'width' & 'height' style value cannot be retrieved from component styles dict. * [iOS] Fix bug that 'width' & 'height' style value cannot be retrieved from component styles dict.
apache · Jun 20, 2019 · 345878f · 345878f
1 parent ec44cd4
commit 345878f
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/ios/sdk/WeexSDK/Sources/Module/WXAnimationModule.m b/ios/sdk/WeexSDK/Sources/Module/WXAnimationModule.m
@@ -25,6 +25,7 @@
 #import "WXUtility.h"
 #import "WXLength.h"
 #import "WXTransition.h"
+#import "WXComponent+Layout.h"
 
 @interface WXAnimationInfo : NSObject<NSCopying>
 
@@ -332,7 +333,16 @@ - (void)transitionWithArgs:(NSDictionary *)args withProperty:(NSString *)propert
              transitionDic:(NSMutableDictionary*)transitionDic
 {
     [transition.filterStyles setObject:args[@"styles"][property] forKey:property];
-    [transition.oldFilterStyles setObject:target.styles[property] ?:@0 forKey:property];
+
+    id oldStyleValue = target.styles[property];
+    if (oldStyleValue == nil) {
+        oldStyleValue = [target convertLayoutValueToStyleValue:property];
+    }
+    if (oldStyleValue == nil) {
+        oldStyleValue = @"0.0";
+    }
+    [transition.oldFilterStyles setObject:oldStyleValue ?:@0 forKey:property];
+
     [target _modifyStyles:@{property:args[@"styles"][property]}];
     [transitionDic setObject:@([args[@"duration"] doubleValue]) forKey:kWXTransitionDuration];
     [transitionDic setObject:@([args[@"delay"] doubleValue]) forKey:kWXTransitionDelay];