Usage

//dependency
compile 'me.ele:bspatch:1.0.0'

//simple as this, use the code in non-main thread
int result = Patcher.patch(oldApkPath, newApkPath, patch);

Tools for diff & patch

calculate two apks's diff, you need bsdiff, it locates in /tools/bsdiff this cli may be used in server side

 bsdiff oldfile newfile patchfile

you may want to check whether diff&patch works, use bspatch for verification

bspatch oldfile newfile patchfile

notice

sync with jcenter maybe need some time, if library can't be found, please use my personal maven center

 repositories {
        jcenter()
        maven {
            url "https://dl.bintray.com/jackcho/maven"
        }
    }

license

  Copyright 2016 ELEME Inc.

  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.