Java tutorial
//package com.java2s; import android.graphics.Bitmap; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStream; public class Main { public static InputStream convertToInputStream(Bitmap bitmap) { ByteArrayOutputStream stream = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream); byte[] imageInByte = stream.toByteArray(); System.out.println("........length......" + imageInByte); ByteArrayInputStream bis = new ByteArrayInputStream(imageInByte); return bis; } }