Java tutorial
//package com.java2s; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import android.graphics.Bitmap; public class Main { public static void savePhotoToSDCard(Bitmap photoBitmap, String path, String photoName) { File dir = new File(path); if (!dir.exists()) { dir.mkdirs(); } File photoFile = new File(path, photoName); FileOutputStream fileOutputStream = null; try { fileOutputStream = new FileOutputStream(photoFile); if (photoBitmap != null) { if (photoBitmap.compress(Bitmap.CompressFormat.PNG, 100, fileOutputStream)) { fileOutputStream.flush(); } } } catch (FileNotFoundException e) { photoFile.delete(); e.printStackTrace(); } catch (IOException e) { photoFile.delete(); e.printStackTrace(); } finally { try { fileOutputStream.close(); } catch (IOException e) { e.printStackTrace(); } } } }