Java tutorial
//package com.java2s; /* * This is the source code of DMPLayer for Android v. 1.0.0. * You should have received a copy of the license in this archive (see LICENSE). * Copyright @Dibakar_Mistry, 2015. */ import android.graphics.Bitmap; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; public class Main { public static void saveBitmap(Bitmap btm, final String destDir, final String name) { File dir = new File(destDir); File file = new File(destDir + "/" + name + ".png"); FileOutputStream out = null; try { if (!dir.mkdirs() && (!dir.exists() || !dir.isDirectory())) { throw new IOException("Cannot ensure parent directory for file " + file); } out = new FileOutputStream(file); btm.compress(Bitmap.CompressFormat.PNG, 100, out); // PNG is a lossless format, the compression factor (100) is ignored } catch (Exception e) { e.printStackTrace(); } finally { try { if (out != null) { out.close(); } } catch (IOException e) { e.printStackTrace(); } } } }