iOS:fix emoji cause substring error

2020-05-08 15:51:00 +08:00
parent 7828b24cd5
commit cb9f377a90
1 changed files with 2 additions and 1 deletions
--- a/doric-iOS/Pod/Classes/Shader/DoricInputNode.m
+++ b/doric-iOS/Pod/Classes/Shader/DoricInputNode.m
@@ -199,7 +199,8 @@ - (BOOL)textViewShouldEndEditing:(UITextView *)textView {
 - (void)textViewDidChange:(UITextView *)textView {
    if (self.maxLength) {
        if (textView.text.length > self.maxLength.unsignedIntValue) {
-            textView.text = [textView.text substringToIndex:self.maxLength.unsignedIntValue];
+            NSRange range = [textView.text rangeOfComposedCharacterSequencesForRange:NSMakeRange(0, self.maxLength.unsignedIntValue)];
+            textView.text = [textView.text substringWithRange:range];
        }
    }
    if (self.onTextChange) {