Here you can find the source of bitmap2Bytes(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat, final boolean needRecycle)
public static byte[] bitmap2Bytes(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat, final boolean needRecycle)
//package com.java2s; /*//from ww w . j a v a2 s . co m * Copyright (C) 2012 www.amsoft.cn * * 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 android.graphics.*; import java.io.ByteArrayOutputStream; public class Main { public static byte[] bitmap2Bytes(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat, final boolean needRecycle) { byte[] result = null; ByteArrayOutputStream output = null; try { output = new ByteArrayOutputStream(); bitmap.compress(mCompressFormat, 100, output); result = output.toByteArray(); if (needRecycle) { bitmap.recycle(); } } catch (Exception e) { e.printStackTrace(); } finally { if (output != null) { try { output.close(); } catch (Exception e) { e.printStackTrace(); } } } return result; } }