android how to obtain the source code of open source projects

Generally in line to see what the open source project, only to see the apk file, do not know how you can get the source code, seeking to inform, grateful

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Reply:
code.google.project or github above all possible
Reply:

cited a floor guoyoulei520 reply:

code.google.project or github above all possible

See a lot, I only see the installation files in github, can not find the source
Reply:

reference to the second floor yucheng0918 reply:

Quote: references to a floor guoyoulei520 reply:

code.google.project or github above all possible

See github lot, I only see the installation files, can not find the source

Look carefully, there are zip package under
Reply:

reference to the third floor guoyoulei520 reply:

Quote: references to the second floor yucheng0918 reply:

Quote: references to a floor guoyoulei520 reply:

code.google.project or github above all possible

See github lot, I only see the installation files, can not find the source

Look carefully, there are zip package under the

Thanks, I look to find