Java tutorial
//package com.java2s; import android.content.Context; import android.content.ContextWrapper; import android.graphics.Bitmap; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; public class Main { public static String saveToInternalStorage(Bitmap bitmap, String title, Context context) throws IOException { ContextWrapper cw = new ContextWrapper(context); File directory = cw.getDir("bitmaps", Context.MODE_PRIVATE); File image = new File(directory, title); FileOutputStream fileOutputStream = null; try { fileOutputStream = new FileOutputStream(image); bitmap.compress(Bitmap.CompressFormat.PNG, 100, fileOutputStream); } catch (IOException e) { e.printStackTrace(); } finally { fileOutputStream.close(); } return directory.getAbsolutePath(); } }