hello i have tried to use some API needed system permission, so i use android:sharedUserId="android. uid.system" in my AndroidManifest and use LOCAL_CERTIFICATE := platform , then build it under mydroid but now if i try to build my app ins ...

1. Can someone provide me an instruction on how to add a root cert on the device? The default Android release does not include the root cert that's needed. 2. Does Android support the revocation mechanism for the root cert that's compromised?

Hi, Is there any way for an OEM to give the same level of protection to packages loaded into /system/app as is given to 'forward locked' downloaded packages (which are placed in /data/app-private without world read permission)? I understand that the ...

What if I want to add another oemuser, similar to "radio" such that I can support neato_oem_widgit or neato_oem_daemon? How do I do this in Android such that I can better architect areas of code that need privileged execution from those th ...

Hi, I am trying to build ndk samples by following command. It gives me compilation successful, but I could not find libhello-jni.so file even if libs directory. And even if add new directory as per given in this tutorial [link]

Hi, I am trying to use the OpenCore Media framework from our native C Code. Since OpenCore is in C++, i need to write a C Wrapper for OpenCore APIs. But i am not sure which Opencore class to write the wrapper for. Could anybody let me know over whic ...

Hi all, I am a newbie of android ndk. And the question is a little bit tricky. Say now I have a shared lib A.so. I want to create a native wrapper B for A.so, and embed the wrapper into the app package. So it turns out to be: C.java --(through JNI, ...

Hi, I have sample libhello-jni.so, I am calling that from my android app with following app. But everytime application does loadlibrary it crashes. I have kept that .so in root directory of project. Can somebody help in getting this working ? I past ...

Hello, i tried to compile and run the "hello-jni" sample as C++ instead of C. In order to do so, I had to: 1) rename the hello-jni.c to hello-jni-cpp 2) change the native source code: The original code was: jstringJava_com_example_helloj n ...

Hi, I'm trying to link multiple C static librraies (xx.a) and build a shared librray out of that using Android.mk makefile. I'm getting a lot of link errors because of undefined reference of functions. But the functions are already defined in the li ...