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Fix textShadowOffset error without width or height 

Summary:
textShadowOffset design is `ReactPropTypes.shape({width: ReactPropTypes.number, height: ReactPropTypes.number})`, so either width or height is optional.
Unfortunately, in Android implementation, it is my bad not handling optional case and lead to an exception.
Thanks kohver for reporting [this issue](https://github.com/facebook/react-native/pull/4975#issuecomment-213006641)

**Test plan (required)**

*Before this fix*
1. Modify TextExample.android.js to `<Text style={{fontSize: 20, textShadowOffset: {height: 10}, textShadowRadius: 1, textShadowColor: '#00cccc'}}>` which really raise a redbox.

*After this fix*
1. Test original TextExample.android.js textShadowOffset works well.
2. Modify TextExample.android.js to `<Text style={{fontSize: 20, textShadowOffset: {height: 10}, textShadowRadius: 1, textShadowColor: '#00cccc'}}>` which works well without redbox.
Closes https://github.com/facebook/react-native/pull/7119

Differential Revision: D3240607

Pulled By: mkonicek

fb-gh-sync-id: b13221ae1586594890b0f4aa644ace7c0d5d6c58
fbshipit-source-id: b13221ae1586594890b0f4aa644ace7c0d5d6c58
This commit is contained in:
Kudo Chien 2016-04-29 03:49:46 -07:00 committed by Facebook Github Bot 0
parent 5e5cbda682
commit 3f0207d7b5
1 changed files with 18 additions and 6 deletions
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20
ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextShadowNode.java
View File

@ -67,8 +67,11 @@ public class ReactTextShadowNode extends LayoutShadowNode {
public static final String PROP_TEXT = "text";
public static final String PROP_SHADOW_OFFSET = "textShadowOffset";
public static final String PROP_SHADOW_OFFSET_WIDTH = "width";
public static final String PROP_SHADOW_OFFSET_HEIGHT = "height";
public static final String PROP_SHADOW_RADIUS = "textShadowRadius";
public static final String PROP_SHADOW_COLOR = "textShadowColor";
public static final int DEFAULT_TEXT_SHADOW_COLOR = 0x55000000;
private static final TextPaint sTextPaintInstance = new TextPaint();
@ -474,13 +477,22 @@ public class ReactTextShadowNode extends LayoutShadowNode {
@ReactProp(name = PROP_SHADOW_OFFSET)
public void setTextShadowOffset(ReadableMap offsetMap) {
if (offsetMap == null) {
mTextShadowOffsetDx = 0;
mTextShadowOffsetDy = 0;
} else {
mTextShadowOffsetDx = PixelUtil.toPixelFromDIP(offsetMap.getDouble("width"));
mTextShadowOffsetDy = PixelUtil.toPixelFromDIP(offsetMap.getDouble("height"));
if (offsetMap != null) {
if (offsetMap.hasKey(PROP_SHADOW_OFFSET_WIDTH) &&
!offsetMap.isNull(PROP_SHADOW_OFFSET_WIDTH)) {
mTextShadowOffsetDx =
PixelUtil.toPixelFromDIP(offsetMap.getDouble(PROP_SHADOW_OFFSET_WIDTH));
}
if (offsetMap.hasKey(PROP_SHADOW_OFFSET_HEIGHT) &&
!offsetMap.isNull(PROP_SHADOW_OFFSET_HEIGHT)) {
mTextShadowOffsetDy =
PixelUtil.toPixelFromDIP(offsetMap.getDouble(PROP_SHADOW_OFFSET_HEIGHT));
}
}
markUpdated();
}