Android NDK limitations?

Question

I have a question about the limitations of what you can do in native code on the Android platform.

Basically I have developed a library in native C code that uses UDP so

Answer 1

You still need your application to have permissions. For example, your native sockets will not work without android.permission.INTERNET in the manifest.

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Another option is to create the socket at the Java layer and pass it down. Here's an example of interacting with the socket in native land, see the method org_..._OpenSSLSocketImpl_connect():

http://www.netmite.com/android/mydroid/dalvik/libcore/x-net/src/main/native/org_apache_harmony_xnet_provider_jsse_OpenSSLSocketImpl.cpp