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Android Text component allowFontScaling

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Summary:
The reason for this change is to implement `allowFontScaling` on the Android's React Native Text component.  Prior to this PR `allowFontScaling` only works for iOS.

The following link contains images of `allowFontScaling` working in Android on small, normal, large, and huge system fonts (from native Android display settings)

http://imgur.com/a/94bF1

The following link is a video of the same thing working on an Android emulator

https://youtu.be/1jTlZhPdj9Y

Here is the sample code snippet driving the video/images
```
render() {
    const size = [12, 14, 16, 18];
    return (
      <View style={{backgroundColor: 'white', flex: 1}}>
        <Text>
          Default size no allowFontScaling prop (default true)
        </Text>
        <Text allowFontScaling={true}>
          Default size allowFontScaling: true
        </Text>
        <Text style={{ marginBottom: 10, }} allowFontScaling={false}>
          Default size allowFontScaling: false
        </Text>

        { size.map(
Closes https://github.com/facebook/react-native/pull/10898

Differential Revision: D4335190

Pulled By: lacker

fbshipit-source-id: 0480809c44983644ff2abfcaf4887569b2bfede5
This commit is contained in:
Steven Goff
2016-12-15 17:41:12 -08:00
committed by Facebook Github Bot
parent 23e2610f4f
commit 4394419b60
3 changed files with 28 additions and 5 deletions
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2
ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewProps.java
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@@ -83,6 +83,8 @@ public class ViewProps {
public static final String TEXT_ALIGN_VERTICAL = "textAlignVertical";
public static final String TEXT_DECORATION_LINE = "textDecorationLine";
public static final String ALLOW_FONT_SCALING = "allowFontScaling";
public static final String BORDER_WIDTH = "borderWidth";
public static final String BORDER_LEFT_WIDTH = "borderLeftWidth";
public static final String BORDER_TOP_WIDTH = "borderTopWidth";