react-native-http-cache

React Native http cache control for both fetch/XMLHttpRequest and ImageView

- [x] iOS
- [x] Android

Installation

``sh
$ npm install react-native-http-cache --save
`

iOS: Linking in your XCode project

- Link react-native-http-cache library from your node_modules/react-native-http-cache/ios folder like its
described here.
Don't forget to add it to "Build Phases" of project.

Android: Linking to your gradle Project

- Add following lines into android/settings.gradle

`
include ':RCTHttpCache'
project(':RCTHttpCache').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-http-cache/android')
`

- Add following lines into your android/app/build.gradle in section dependencies

`
...
dependencies {
...
compile project(':RCTHttpCache') // Add this line only.
}
`

- Add following lines into MainActivity.java

`java
...
import cn.reactnative.httpcache.HttpCachePackage;
// Add this line before public class MainActivity

public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
...
mReactInstanceManager = ReactInstanceManager.builder()
.setApplication(getApplication())
.setBundleAssetName("index.android.bundle")
.setJSMainModuleName("index.android")
.addPackage(new MainReactPackage())
.addPackage(new HttpCachePackage()) // Add this line
.setUseDeveloperSupport(BuildConfig.DEBUG)
.setInitialLifecycleState(LifecycleState.RESUMED)
.build();
}
}
`

- Add these lines to 'proguard-rules.pro' if you need to minify your java code:

`
-keep class com.facebook.cache.disk.DiskStorageCache {
private boolean maybeUpdateFileCacheSize();
}
`

JavaScript: import all and invoke!

`js
import * as CacheManager from 'react-native-http-cache';

// invoke API directly when in need
CacheManager.clear();

``

API Documentation

#### clear()

Clear cache for all type.

Return a promise which indicate the clear state.

#### getSize()

Get cache size for all type.

Return a promise that contain the cache size(in bytes).

#### clearHttpCache()

Clear cache for fetch/ajax only.

Return a promise which indicate the clear state.

#### getHttpCacheSize()

Get cache size for fetch/ajax only.

Return a promise that contain the cache size(in bytes).

#### clearImageCache()

Clear cache for ImageView only.

Return a promise which indicate the clear state.

#### getImageCacheSize()

Get cache size for ImageView only.

Return a promise that contain the cache size(in bytes).

Authors

- Deng Yun from React-Native-CN
- Lv Bingru from React-Native-CN