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Code Quality Rank: L4
Programming language: Java
Tags: Utility    
Latest version: v1.1.0

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README

CacheUtilsLibrary

Android Arsenal Maven Central Android Gems

This is a simple Android utils library to write any type of data into cache files and then read them later, using Gson to serialize and deserialize these data.

中文版请看这里

Gradle

compile 'com.lifeofcoding:cacheutilslibrary:1.1.0@aar'
compile 'com.google.code.gson:gson:2.2.2'
compile 'commons-io:commons-io:2.4'

If you have errors like:

duplication file during packaging of APK ...
Path in archive: META-INF/LICENSE.txt
...

Please add such code in your android entry of your build.gradle file:

packagingOptions {
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/NOTICE'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/LICENSE.txt'
    exclude 'META-INF/NOTICE.txt'
    exclude 'META-INF/ASL2.0'
    exclude 'META-INF/MANIFEST.MF'
}

Configuration

You need to configure CacheUtilsLibrary in your Application class.

public class MyApplication extends Application {

    @Override
    public void onCreate() {
        super.onCreate();
        // configure CacheUtilsLibrary
        CacheUtils.configureCache(this);
    }
}

Don't forget to declare the MyApplication class in your AndroidManifest.xml file.

Usage

All sample code can be found in the MainActivity file.

Cache String File
// write
CacheUtils.writeFile(CACHE_FILE_STRING, CACHE_FILE_CONTENT_STRING);

// read
String fileContent = CacheUtils.readFile(CACHE_FILE_STRING);
Cache Map<String, T> File
// write
CacheUtils.writeDataMapFile(CACHE_FILE_MAP, getCacheFileContentMap());

// read
Map<String, Object> mapData = CacheUtils.readDataMapFile(CACHE_FILE_MAP);

// get mapData
private static Map<String, Object> getCacheFileContentMap() {
    Map<String, Object> mapData = new HashMap<>();
    mapData.put("firstItem", "item0");
    mapData.put("secondItem", 1);
    mapData.put("thirdItem", false);
    return mapData;
}
Cache List<Map<String, T> File
// write
CacheUtils.writeDataMapsFile(CACHE_FILE_LIST_MAP, getCacheFileContentListMap());

// read
List<Map<String, Object>> listMapData = CacheUtils.readDataMapsFile(CACHE_FILE_LIST_MAP);

// get listMapData
private static List<Map<String, Object>> getCacheFileContentListMap() {
    List<Map<String, Object>> listMapData = new ArrayList<Map<String, Object>>();

    for (int i = 0; i < 4; i++) {
        Map<String, Object> item = new HashMap<>();
        item.put("firstItemAt" + i, "item0At" + i);
        item.put("secondItemAt" + i, 1 + i);
        item.put("thirdItemAt" + i, i % 2 == 0);
        listMapData.add(item);
    }
    return listMapData;
}
Cache Object File
// write
CacheUtils.writeObjectFile(CACHE_FILE_OBJECT, MyClass.SAMPLE_MYCLASS_1);

// read
MyClass myClassSample = CacheUtils.readObjectFile(CACHE_FILE_OBJECT, new TypeToken<MyClass>(){}.getType());

You can see MyClass and MyClass.SAMPLE_MYCLASS_1 here and here.

Cache List<Object> File
// write
CacheUtils.writeObjectFile(CACHE_FILE_LIST_OBJECT, getCacheFileContentListObject());

// read
List<MyClass> myClassList = CacheUtils.readObjectFile(CACHE_FILE_LIST_OBJECT, new TypeToken<List<MyClass>>(){}.getType());

// get List<MyClass> data
private static List<MyClass> getCacheFileContentListObject() {
    List<MyClass> listObject = new ArrayList<>();
    listObject.add(MyClass.SAMPLE_MYCLASS_1);
    listObject.add(MyClass.SAMPLE_MYCLASS_2);
    listObject.add(MyClass.SAMPLE_MYCLASS_3);
    return listObject;
}

License

Copyright 2015-2016 Wesley Lin

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.


*Note that all licence references and agreements mentioned in the CacheUtilsLibrary README section above are relevant to that project's source code only.