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Android 2.1 Compatibility Definition

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This document enumerates the requirements that must be met in order for mobile phones to be compatible with Android 2.1. | compatibility program Android 2.1 Compatibility Definition Copyright 2010 Google Inc. All rights reserved. compatibility@android.com 1. Introduction This document enumerates the requirements that must be met in order for mobile phones to be compatible with Android 2.1. The use of must must not required shall shall not should should not recommended may and optional is per the IETF standard defined in RFC2119 Resources 1 . As used in this document a device implementer or implementer is a person or organization developing a hardware software solution running Android 2.1. A device implementation or implementation is the hardware software solution so developed. To be considered compatible with Android 2.1 device implementations MUST meet the requirements presented in this Compatibility Definition including any documents incorporated via reference. MUST pass the most recent version of the Android Compatibility Test Suite CTS available at the time of the device implementation s software is completed. The CTS is available as part of the Android Open Source Project Resources 2 . The CTS tests many but not all of the components outlined in this document. Where this definition or the CTS is silent ambiguous or incomplete it is the responsibility of the device implementer to ensure compatibility with existing implementations. For this reason the Android Open Source Project Resources 3 is both the reference and preferred implementation of Android. Device implementers are strongly encouraged to base their implementations on the upstream source code available from the Android Open Source Project. While some components can hypothetically be replaced with alternate implementations this practice is strongly discouraged as passing the CTS tests will become substantially more difficult. It is the implementer s responsibility to ensure full behavioral compatibility with the standard Android implementation including and beyond the Compatibility Test Suite. Finally note that certain .