Here you can find the source of getByteCount(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat)
public static int getByteCount(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat)
//package com.java2s; /*/* w w w. j ava 2s. co m*/ * Copyright (C) 2013 www.418log.org * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.ByteArrayOutputStream; import android.graphics.Bitmap; public class Main { public static int getByteCount(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat) { int size = 0; ByteArrayOutputStream output = null; try { output = new ByteArrayOutputStream(); bitmap.compress(mCompressFormat, 100, output); byte[] result = output.toByteArray(); size = result.length; result = null; } catch (Exception e) { e.printStackTrace(); } finally { if (output != null) { try { output.close(); } catch (Exception e) { e.printStackTrace(); } } } return size; } }