compress images in react native
npm install react-native-compress-imageReact Native Compress Image for Android
NOTE: The iOS side of this module will be included when i have figured it out.
npm install --save react-native-compress-image
react-native link react-native-compress-image
NOTE: For Android, you will still have to manually update the AndroidManifest.xml (as below) in order to use Scheduled Notifications.
In your AndroidManifest.xml
``xml`
In android/settings.gradle`gradle`
include ':react-native-compress-image'
project(':react-native-compress-image').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-compress-image/android')
in android/app/build.gradle`java`
dependencies {
compile project(':react-native-compress-image') // <--- Add package to dependencies
compile fileTree(dir: "libs", include: ["*.jar"])
compile "com.android.support:appcompat-v7:23.0.1"
compile "com.facebook.react:react-native:+"
....
}
in MainApplication.java:
`java
import com.emekalites.react.compress.image.ImageCompressPackage; // <--- Import Package
public class MainApplication extends Application implements ReactApplication {
private final ReactNativeHost mReactNativeHost = new ReactNativeHost(this) {
@Override
protected boolean getUseDeveloperSupport() {
return BuildConfig.DEBUG;
}
@Override
protected List
return Arrays.
new MainReactPackage(),
new ImageCompressPackage() // <---- Add the Package
);
}
};
}
`
`javascript
import CompressImage from 'react-native-compress-image';
CompressImage.createCompressedImage(imageUri, appDirectory).then((response) => {
// response.uri is the URI of the new image that can now be displayed, uploaded...
// response.path is the path of the new image
// response.name is the name of the new image with the extension
// response.size is the size of the new image
}).catch((err) => {
// Oops, something went wrong. Check that the filename is correct and
// inspect err to get more details.
});
CompressImage.createCustomCompressedImage(imageUri, appDirectory, maxWidth, maxHeight, quality).then((response) => {
// response.uri is the URI of the new image that can now be displayed, uploaded...
// response.path is the path of the new image
// response.name is the name of the new image with the extension
// response.size is the size of the new image
}).catch((err) => {
// Oops, something went wrong. Check that the filename is correct and
// inspect err to get more details.
});
`Sample App
A basic, sample app is available in the example folder. It uses the module to compress a photo from the Camera Roll.
The promise resolves with an object containing: path, uri, name and size of the new file. The URI can be used directly as the source of an component.
Option | Description
------ | -----------
imageUri | Path of image file whether jpeg or png
appDirectory | The folder or path to save the compressed image
The promise resolves with an object containing: path, uri, name and size of the new file. The URI can be used directly as the source of an
Option | Description
------ | -----------
imageUri | Path of image file whether jpeg or png
appDirectory | The folder or path to save the compressed image
maxWidth | Image maximum width
maxHeight | Image maximum height
quality | Image quality