Thanks! Your answer has been very useful.
On Thu, May 23, 2013 at 1:29 AM, bob <[email protected]> wrote:
>
>
> On Wednesday, May 22, 2013 2:42:30 PM UTC-5, Ishan Sharma wrote:
>>
>> Hello!
>>
>> I have been reading Android architecture for some time and have some
>> questions pertaining to the native libraries.
>> a) Are the native libraries used by the Application Framework?
>>
>
> Yes.
>
>
>
>>
>> b) There are some libraries like media framework which provides media
>> codecs etc. Does this mean that when I use the Android API (core
>> libraries) to play media files, the API interacts with the media framework
>> in the native library.
>>
>
> Most likely. Here is code for playing a media file:
>
> /**
> * Starts or resumes playback. If playback had previously been paused,
> * playback will continue from where it was paused. If playback had
> * been stopped, or never started before, playback will start at the
> * beginning.
> *
> * @throws IllegalStateException if it is called in an invalid state
> */
> public void start() throws IllegalStateException {
> stayAwake(true);
> _start();
> }
>
> private native void _start() throws IllegalStateException;
>
> As you can see, the code calls a native function ( _start )
>
>
>
>>
>> c) Is NDK the only way I can use the native libraries?
>>
>
>
> No. You can use the Java SDK, which uses the native libraries indirectly.
>
> Thanks.
>
>
>
>
>>
>> Thanks
>>
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