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README
CacheUtilsLibrary
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.