TextInput onContentSizeChange returns incorrect layout size instead of content size on Android

Description

The onContentSizeChange prop of the TextInput component does not work on Android as it does on iOS. On Android it seems to be returning the layout height and width of the TextInput view, rather than the height and width of the text.

This same issue has been reported before in https://github.com/facebook/react-native/issues/25487 and https://github.com/facebook/react-native/issues/19696, but does not seem to have been fixed

React Native version:

System:
OS: macOS 10.15.6
CPU: (16) x64 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
Memory: 71.45 MB / 32.00 GB
Shell: 5.7.1 - /bin/zsh
Binaries:
Node: 12.18.3 - ~/.nvm/versions/node/v12.18.3/bin/node
Yarn: 1.22.4 - /usr/local/bin/yarn
npm: 6.14.6 - ~/.nvm/versions/node/v12.18.3/bin/npm
Watchman: 4.9.0 - /usr/local/bin/watchman
Managers:
CocoaPods: 1.9.3 - /Users/travisnuttall/.rbenv/shims/pod
SDKs:
iOS SDK:
Platforms: iOS 13.6, DriverKit 19.0, macOS 10.15, tvOS 13.4, watchOS 6.2
Android SDK:
API Levels: 28, 29, 30
Build Tools: 28.0.3, 29.0.2, 30.0.1
System Images: android-30 | Google Play Intel x86 Atom
Android NDK: Not Found
IDEs:
Android Studio: 4.0 AI-193.6911.18.40.6626763
Xcode: 11.6/11E708 - /usr/bin/xcodebuild
Languages:
Java: 1.8.0_242-release - /usr/bin/javac
Python: 2.7.16 - /usr/bin/python
npmPackages:
@react-native-community/cli: Not Found
react: 16.13.1 => 16.13.1
react-native: 0.63.2 => 0.63.2
npmGlobalPackages:
react-native: Not Found

Steps To Reproduce

Run the following code on both iOS and Android platforms, note the inconsistency in the logged values from `contentSize:

import React from 'react';

import { View, TextInput } from 'react-native';

export default class App extends React.Component {
  render() {
    return (
      <View style={{ flex: 1, marginTop: 40 }}>
        <TextInput
          defaultValue="test"
          onLayout={ e=> {
            console.warn("single line layout", e.nativeEvent.layout)
          }}
          style={{ width: 200, lineHeight: 30, backgroundColor: '#CCC' }}
          onContentSizeChange={ e=> {
            console.warn(e.nativeEvent.contentSize)
          }}
        />
        <TextInput
          defaultValue="test"
          onLayout={ e=> {
            console.warn(e.nativeEvent.layout)
          }}
          multiline
          style={{ width: 200, lineHeight: 30, backgroundColor: '#CCC' }}
          onContentSizeChange={ e=> {
            console.warn(e.nativeEvent.contentSize)
          }}
        />
      </View>
    )
  }
}

Expected Results

On iOS as you edit text on single or multiline TextInput you get the actual width of the characters entered. I would expect the same behavior on Android. Effectively this functionality is not actually implemented on Android at the moment.

Snack, code example, screenshot, or link to a repository:

See code sample in reproducible steps

Inizia dalla gestione Android di onContentSizeChange del componente TextInput e riproduci l’esempio fornito su una singola riga e su più righe, confrontando contentSize con onLayout su entrambe le piattaforme. Il lavoro è completato quando Android segnala le dimensioni del testo in modo coerente con iOS in entrambi i casi; l’issue non indica alcun file o test specifico.