Files
react-native/Libraries/Components/TextInput
valerio.ponte d88e4701fc Add showSoftInputOnFocus to TextInput (#25028)
Summary:
Add prop showSoftInputOnFocus to TextInput. This fixes #14045. This prop can be used to prevent the system keyboard from displaying at all when focusing an input text, for example if a custom keyboard component needs to be displayed instead.

On Android, currently TextInput always open the soft keyboard when focused. This is because `requestFocus` calls `showSoftKeyboard`, which in turn instructs `InputMethodManager` to show the soft keyboard.

Unfortunately even if we were to define a new input type that extends ReactEditText, there is no way to overcome this issue.
This is because `showSoftKeyboard` is a private method so it can't be overriden. And at the same time `requestFocus` needs to invoke `super.requestFocus` to properly instruct Android that the field has gained focused, so overriding `requestFocus` in a subclass of ReactEditText is also not an option, as when invoking `super.requestFocus` we would end up calling again the one defined in ReactEditText.

So currently the only way of doing this is to basically add a listener on the focus event that will close the soft keyboard immediately after. But for a split second it will still be displayed.

The code in the PR changes `requestFocus` to honor showSoftInputOnFocus as defined in Android TextView, displaying the soft keyboard unless instructed otherwise.

## Changelog

[Android] [Added] - Add showSoftInputOnFocus to TextInput
Pull Request resolved: https://github.com/facebook/react-native/pull/25028

Differential Revision: D15503070

Pulled By: mdvacca

fbshipit-source-id: db4616fa165643d6ef2b3185008c4d279ae08092
2019-05-24 15:40:22 -07:00
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