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[Image] Support loading images from application home directory.

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Summary:
Image source uri's prefixed with ~ are expanded into a full path to
the app directory.

For example: `~/Documents/foo.png` is expanded into `Users/arbesfeld/Library/Developer/CoreSimulator/Devices/977988DF-A8BC-4CE5-A27A-75807A6DF085/data/Containers/Data/Application/CBEFC261-5900-4EF9-8646-603BC57B094A/Documents/foo.png`.

This lets us store and use images from the application home directory with the `Image` component:

```
<Image source={{uri: '~/Documents/foo.png', width: 300, height: 300}} />
```

Resolves #1178
Closes https://github.com/facebook/react-native/pull/1740
Github Author: Matthew Arbesfeld <arbesfeld@gmail.com>
This commit is contained in:
Matthew Arbesfeld
2015-07-09 13:01:02 -07:00
parent e1f53c043c
commit 23909cd6f6
1 changed files with 2 additions and 2 deletions
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4
React/Base/RCTConvert.m
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@@ -671,8 +671,8 @@ RCT_CGSTRUCT_CONVERTER(CGAffineTransform, (@[
NSURL *url = [NSURL URLWithString:path];
NSData *imageData = [NSData dataWithContentsOfURL:url];
image = [UIImage imageWithData:imageData];
} else if ([path isAbsolutePath]) {
image = [UIImage imageWithContentsOfFile:path];
} else if ([path isAbsolutePath] || [path hasPrefix:@"~"]) {
image = [UIImage imageWithContentsOfFile:path.stringByExpandingTildeInPath];
} else {
image = [UIImage imageNamed:path];
if (!image) {