Java tutorial
//package com.java2s; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Bitmap.CompressFormat; import android.graphics.BitmapFactory; public class Main { public static boolean StoreByteImage(Context mContext, byte[] imageData, int quality, String expName) { File sdImageMainDirectory = new File("/sdcard/myImages"); FileOutputStream fileOutputStream = null; String nameFile = ""; try { BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 5; Bitmap myImage = BitmapFactory.decodeByteArray(imageData, 0, imageData.length, options); fileOutputStream = new FileOutputStream(sdImageMainDirectory.toString() + "/" + nameFile + ".jpg"); BufferedOutputStream bos = new BufferedOutputStream(fileOutputStream); myImage.compress(CompressFormat.JPEG, quality, bos); bos.flush(); bos.close(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return true; } }