make ios text affinity behavior match android (flutter#5971)

Jonah Williams · web-flow · commit 4208f840436e · 2018-08-08T10:54:29.000-07:00
diff --git a/shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm b/shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm
@@ -589,7 +589,7 @@ - (BOOL)hasText {
 }
 
 - (void)insertText:(NSString*)text {
-  _selectionAffinity = _kTextAffinityUpstream;
+  _selectionAffinity = _kTextAffinityDownstream;
   [self replaceRange:_selectedTextRange withText:text];
 }
 

Original file line number	Diff line number	Diff line change
`@@ -589,7 +589,7 @@ - (BOOL)hasText {`
`589`	`589`	`}`
`590`	`590`
`591`	`591`	`- (void)insertText:(NSString*)text {`
`592`		`- _selectionAffinity = _kTextAffinityUpstream;`
	`592`	`+ _selectionAffinity = _kTextAffinityDownstream;`
`593`	`593`	`[self replaceRange:_selectedTextRange withText:text];`
`594`	`594`	`}`
`595`	`595`