The PayPal Android SDK uses code from the following libraries:
- Willow Garage's OpenCV
- Eigen
- Mersenne Twister
- Loopj's Android Asnyc HTTP
- Apache Commons' Commons Lang
Willow Garage's OpenCV, BSD license:
Actual license text not provided -- [the OpenCV website](http://opencv.willowgarage.com/wiki/) says:
"OpenCV is released under a BSD license, it is free for both academic and commercial use."
with links to http://opensource.org/licenses/bsd-license.php and http://en.wikipedia.org/wiki/BSD_licenses
Eigen: MPLv2 license text can be found at http://www.mozilla.org/MPL/2.0/; the source code is available at https://bitbucket.org/eigen/eigen/ or via http://eigen.tuxfamily.org/
Makoto Matsumoto and Takuji Nishimura's Mersenne Twister
Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The names of its contributors may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Loopj's Android Async HTTP, Apache License 2.0:
Actual license text not provided -- [The loopj website](http://loopj.com/android-async-http/) states:
"The Android Asynchronous Http Client is released under the Android-friendly Apache License,
Version 2.0. Read the full license here: http://www.apache.org/licenses/LICENSE-2.0"
Apache Commons Lang, Apache 2.0 license:
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You 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.