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; import android.util.Log; public class Main { public static void putImageInCache(File file, Bitmap bmp) { try { file.createNewFile(); FileOutputStream out = new FileOutputStream(file); bmp.compress(Bitmap.CompressFormat.PNG, 80, out); Log.d("CACHE", "FILE : " + out.toString()); out.flush(); out.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }