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fabriziobertoglio1987
3560753559
Summary:
This issue fixes https://github.com/facebook/react-native/issues/28794 fixes https://github.com/facebook/react-native/issues/27658
Flow type ?Stringish allows to set the placeholder value to null. The null value causes the cursor to jump to the right in a TextInput. The fix replaces the placeholder null value with an empty string which avoid calling setHint(null) as causes the placeholder to jump to the right.
## Changelog
<!-- Help reviewers and the release process by writing your own changelog entry. For an example, see:
https://github.com/facebook/react-native/wiki/Changelog
-->
[Android] [Fixed] - avoid calling setHint with a null parameter causing cursor to jump to the right
Pull Request resolved: https://github.com/facebook/react-native/pull/28995
Test Plan:
**<details><summary>CLICK TO OPEN TESTS RESULTS (28 May 2020 20a9473aaa)</summary>**
<p>
More videos and information included in issue https://github.com/facebook/react-native/issues/28794
The below test cases are from the [following repository](https://github.com/fabriziobertoglio1987/AwesomeProject)
| **BEFORE** |
|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/83123470-3e2f8000-a0d5-11ea-8718-11e6a0575a0c.gif" />|
| **AFTER** |
|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/83123554-599a8b00-a0d5-11ea-9701-6557f0d76044.gif" />|
Extensive testing on `RNTester` did not identify any regression.
| **AFTER** |
|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/83123586-628b5c80-a0d5-11ea-92eb-449d499dcc7d.gif" />|
</p>
</details>
**<details><summary>CLICK TO OPEN TESTS RESULTS (15 February 2021 https://github.com/facebook/react-native/pull/28995/commits/20a9473aaa330ad9b6e7a0b42ebd9c4ed41ce60b)</summary>**
<p>
| **BEFORE** |
|:-------------------------:|
| <video src="https://user-images.githubusercontent.com/24992535/107960803-5d44a980-6fa5-11eb-90e2-f0d665e35291.mp4" />|
| **AFTER** |
|:-------------------------:|
| <video src="https://user-images.githubusercontent.com/24992535/107960602-1f478580-6fa5-11eb-8f39-b985fafa6a6c.mp4" />|
</p>
</details>
Reviewed By: charlesbdudley
Differential Revision: D30095877
Pulled By: lunaleaps
fbshipit-source-id: 38a3e788443a22d48a4335063cd4315638bd8e97
