Copy Asset file by File object and new file name - Android App

Android examples for App:Assets File

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Description

Copy Asset file by File object and new file name

Demo Code


//package com.java2s;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.content.Context;
import android.content.res.AssetManager;
import android.util.Log;

public class Main {
    private static final String TAG = "AssetHelper";

    static public void CopyAsset(Context ctx, File path, String filename)
            throws IOException {
        AssetManager assetManager = ctx.getAssets();
        InputStream in = null;//from   w  w  w  .j av a2  s . com
        OutputStream out = null;

        // Copy files from asset folder to application folder
        try {
            in = assetManager.open(filename);
            out = new FileOutputStream(path.toString() + "/" + filename);
            copyFile(in, out);
        } catch (IOException e) {
            Log.e(TAG, e.getMessage());
            throw e;
        } finally {
            // Reclaim resources
            if (in != null) {
                in.close();
                in = null;
            }
            if (out != null) {
                out.flush();
                out.close();
                out = null;
            }
        }
    }

    static private void copyFile(InputStream in, OutputStream out)
            throws IOException {
        byte[] buffer = new byte[1024];
        int read;

        // Copy from input stream to output stream
        while ((read = in.read(buffer)) != -1) {
            out.write(buffer, 0, read);
        }
    }
}

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