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[iOS] Fixed onChange prop of textinput not be called in some cases #23687

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[iOS] Fixed onChange prop of textinput not be called in some cases #23687

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f032e7a
[iOS] Fixed onChange prop of textinput not be called in some cases
zhongwuzw Feb 28, 2019
c3d7aab
Consolidated onChange to textInputDidChange method
zhongwuzw Mar 15, 2019
2d66dfd
Revert "Consolidated onChange to textInputDidChange method"
zhongwuzw May 21, 2019
5ee3203
Merge master into fix_textinput_onchange
zhongwuzw May 21, 2019
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18 changes: 12 additions & 6 deletions Libraries/Text/TextInput/RCTBaseTextInputView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -423,12 +423,18 @@ - (BOOL)textInputShouldChangeTextInRange:(NSRange)range replacementText:(NSStrin
@"eventCount": @(_nativeEventCount),
});
}

// Sometimes, even we return YES, UIKit may not call textInputDidChange delegate, like click keyboard predictive text. So we have trick here, perform textInputDidChange by ourself.
[self performSelector:@selector(textInputDidChange) withObject:nil afterDelay:0.1];

return YES;
}

- (void)textInputDidChange
{
// If textInputDidChange be called by UIKit delegate, we cancel our own perform operation
[NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(textInputDidChange) object:nil];

[self updateLocalData];

id<RCTBackedTextInputViewProtocol> backedTextInputView = self.backedTextInputView;
Expand All @@ -446,15 +452,15 @@ - (void)textInputDidChange
[self textInputDidChangeSelection];
_predictedText = backedTextInputView.attributedText.string;
}

_nativeEventCount++;

if (_onChange) {
_onChange(@{
@"text": self.attributedText.string,
@"target": self.reactTag,
@"eventCount": @(_nativeEventCount),
});
@"text": self.attributedText.string,
@"target": self.reactTag,
@"eventCount": @(_nativeEventCount),
});
}
}

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