FileDownloadManager

Android Library that help you to download and unzip file easily.

How to import

Add it in your root build.gradle at the end of repositories:

allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}

Add the dependency

dependencies {
	compile 'com.github.EunsilJo:FileDownloadManager:1.0.2'
}

How to use

AndroidManifest.xml

Need to include these permissions in your AndroidManifest.xml file.

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

Activity.java

Create FileDownloadManager and call methods.

FileDownloadManager mFileDownloadManager = new FileDownloadManager(Context);

mFileDownloadManager.check(...)
mFileDownloadManager.download(...)
mFileDownloadManager.unzip(...)
mFileDownloadManager.clear(...)

FileDownloadManager.java

A FileDownloadManager runs with one ExecutorService.

private ExecutorService mThreadPool;
private static final int MAXIMUM_POOL_SIZE = 1;

public FileDownloadManager(Context context) {
    mContext = context;
    mThreadPool = Executors.newFixedThreadPool(MAXIMUM_POOL_SIZE);
}

You can receive state and result.

public interface OnFileListener<T> {
    void onFileStart();
    void onFileProgress(int progress);
    void onFileComplete(T result);
    void onFileError(int error);
}

Check

public synchronized void check(String url, OnFileListener<Integer> listener)

• String url : location of download file
• OnFileListener listener : can receive the size of file.

Download

public synchronized void download(String url, String outputDirPath, String fileName, OnFileListener<String> listener)

• String url : location of download file
• String outputDirPath : directory path to download and save
• String fileName : file name to download and save
• OnFileListener listener : can receive the file path downloaded.

Unzip

public synchronized void unzip(String filePath, String targetDirPath, OnFileListener<String> listener)

• String filePath : location of zip file
• String targetDirPath : directory path to unzip
• OnFileListener listener : can receive the file path unzipped(targetDirPath).

Clear

public synchronized void clear(String dirPath, OnFileListener<String> listener)

• String dirPath : directory path to clear
• OnFileListener listener : can receive the directory path cleared(dirPath).

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Please check the demo app to see examples.